|| List of recent Optical-related patents
| Apparatus and method for focusing a laser beam on an optical disc|
Provided are a method and apparatus for focusing a laser beam on an optical disc. According to various aspects, the apparatus may include an objective lens which has a numerical aperture below what is standardized for the optical disc.
| Cooling apparatus combined with optical disk drive module|
Provided is a cooling apparatus of a portable computer. The cooling apparatus includes one or more ventilation holes formed on the body thereof, and a cooling fan module mounted in the body.
| Beam controlling method and optical pickup device for performing the method|
Provided is an optical pickup device that compensates for an aberration caused by a beam splitter. When a beam of light is reflected from a disc and proceeds towards a beam splitter, the beam splitter is designed to allow the reflected beam to pass therethrough.
| Tilt adjusting apparatus and optical disc drive using the same|
Provided is a tilt adjusting apparatus of an optical disc drive for adjusting a tilt of an optical pickup unit. The tilt adjusting apparatus includes an optical pickup unit moving in a radial direction of the disc, along first and second guide shafts.
| Free form fracturing method for electronic or optical lithography|
The invention discloses a computer implemented method of fracturing a surface into elementary features wherein the desired pattern has a rectilinear or curvilinear form. Depending upon the desired pattern, a first fracturing will be performed of a non-overlapping or an overlapping type.
| Electronic apparatus implemented with microprocessor with rewritable micro program and method to rewrite micro program|
An intelligent optical transceiver able to revise a micro program by the host system is disclosed. The optical transceiver includes a mdio interface, a cpu, and a non-volatile memory.
| Single optical fiber kvm extender|
Single optical fiber kvm (keyboard video mouse) systems are provided that comprises of two subsystems: an electro-optical transmitter subsystem and an electro-optical receiver subsystem. The single optical fiber kvm is configured to support all required bi-directional communications..
| Apparatus and method for improved optical detection of particles in fluid|
A number of fluidic-photonic devices for allowing optical detection, systems employing such devices, and related methods of operation and fabrication of such devices are disclosed herein. In at least some embodiments, the devices can serve as flow cytometry devices and/or employ microfluidic channels.
| Method of determining information of a test sensor|
A method of determining auto-calibrating information of a test sensor includes providing an optical read head that includes a light source, a light guide and a detector. The read head forms an opening that is sized to receive a test sensor.
| Intraocular lens|
Intraocular lens for insertion into the human eye includes an optic having a posterior surface for facing towards the posterior chamber of the human eye; an anterior surface for facing away from the posterior chamber of the human eye, the anterior surface being at least substantially convex; a main lens formed by corresponding surface sections of the anterior and posterior surfaces, the main lens having an optical axis and a base optical power; and an additional surface section at a distance from the optical axis, the additional surface section including at least one additional section part providing for an optical power different from the base optical power. The posterior surface is substantially flat or at least substantially concave, and includes a substantially flat or at least substantially concave main posterior surface section, the main lens being formed by the anterior surface and the main posterior surface section..
| Fiber embedded hollow needle for percutaneous delivery of laser energy|
Some implementations provide an apparatus for percutaneous delivery of laser energy, the apparatus including two or more hollow spikes, each having an insertion end and a coupling end, each including an optical fiber embedded as a permanent fixture therein, each optical fiber capable of emitting laser from the insertion end of the corresponding hollow spike; and \a hub coupled to the two or more hollow spikes at the respective coupling ends of each hollow spike, the hub including a connector for coupling the apparatus to a laser generator.. .
| Method for lightening or eradicating pigments in human skin|
For lightening or eradicating pigments in human skin, a first conditioning laser optical energy having first optical parameters selected to obtain an ablative effect on the epidermal layer of human skin is provided. A target area of the human skin is conditioned by directing the first conditioning laser optical energy onto the target area and forming in an epidermal layer of the target area discrete pressure and gas release ducts across the target area.
| Infusion pump apparatus, method and system|
An infusion pump system is disclosed. The system includes a syringe having a plunger within the syringe barrel, the syringe having an exit end, at least one temperature determination device adjacent to the syringe, at least one device to determine the distance the plunger has moved with respect to the syringe barrel, and a pump processor in communication with the at least one temperature determination device and the at least one optical sensor, wherein when the controller determines a change in temperature and a corresponding plunger movement, the controller increases or decreases a preprogrammed basal rate of the infusion pump by a predetermined amount for a predetermined time..
| System for defining energy field characteristics to illuminate nano-particles used to treat invasive agents|
The invasive agent treatment system incorporates the pairing of energy fields with nano-particles to cause a thermal effect in the nano-particles, which thermal effect is transmitted into the biological cells of the invasive agent. The energy fields are derived from at least one or a combination of the following: an electric field, a magnetic field, an electromagnetic field (em), an acoustic field, and an optical field.
| Wireless transmission of temperature data|
An identification input device and a temperature detector that detects body temperature data. The identification input device may be an optical touch pen.
| Fluid temperature and flow sensor apparatus and system for cardiovascular and other medical applications|
Apparatus (100) is provided comprising an optical micro-sensor (10) for directly measuring a fluid temperature and flow by thermoconvection, which suitable for medical applications, e.g. Using minimally-invasive cardiovascular techniques.
| Shape sensing devices for real-time mechanical function assessment of an internal organ|
A system and method for functioning organ assessment include a sensing enabled flexible device (102) having an optical fiber configured to sense induced strain continuously over a length of the flexible device. The flexible device includes a manipulation mechanism (105) configured to permit engagement with an interior wall of an organ over the length.
| Compact optical imaging devices, systems, and methods|
An optical imaging device and system can be used to visualize and/or provide a quantitative measure of changes in patient vasculature, for example, to monitor responsiveness of a tumor to a particular chemotherapy treatment. A plurality of detectors (e.g., two) are spaced from a plurality of substantially monochromatic light sources (e.g., four) on an interrogation face of the handheld device.
| Imaging systems featuring waveguiding compensation|
In certain embodiments, the invention relates to systems and methods for altering an image to compensate for variation in one or more physical and/or supervenient properties (e.g., optical absorption and/or scattering) in heterogeneous, diffuse tissue, thereby attenuating the effects of tissue waveguiding. The methods enable the proper identification of emission image regions that evidence waveguiding of electromagnetic radiation, and enables compensation of emission images for such waveguiding.
A photoplethysmograph device includes a light source for illuminating a target object. A modulator drives the light source such that the output intensity varies as a function of a modulation signal at a modulation frequency.
| Physiological monitoring methods|
A method of monitoring a subject via an earbud module includes positioning the earbud module within an ear of the subject such that a sensor region thereof matingly engages a region of the ear at the intersection of the anti tragus and acoustic meatus and is oriented in a direction away from the ear canal. Physiological information is then detected and/or measured via the optical sensor.
| Optical probe delivery and retrieval systems and methods|
Optical probe delivery and retrieval systems and methods are disclosed. The optical probe includes a dissolvable capsule that contains micro-components that are substantially smaller than the size of the capsule.
| Method for preventing the onset and progression of myopia|
The present invention relates to ophthalmology, and is designated to prevent onset and progression of myopia. The treatment course, comprising eye exposure with magnetic field, transscleral low-energy laser radiation with wavelength of 1.3 microns, and additional optical—reflectory eye trainings, is conducted.
| Preparation method of 1-palmitoyl-3-acetylglycerol, and preparation method of 1-palmitoyl-2-linoleoyl-3-acetylglycerol using same|
Disclosed are a method for preparing 1-palmitoyl-3-acetylglycerol in high purity and high yield without a purification process using a column chromatography, and a method for preparing 1-palmitoyl-2-linoleoyl-3-acetylglycerol in high purity and high yield using the same as a key intermediate. The method for preparing 1-palmitoyl-3-acetyl glycerol comprises the steps of: forming a reaction mixture including 1-palmitoyl-3-acetyl glycerol of the formula 1 in the specification by reacting 1-palmitoylglycerol of the formula 2 in the specification and an acetylating agent; and separating the optically active 1-palmitoyl-3-acetylglycerol by crystallizing the reaction mixture in a saturated hydrocarbon solvent having 5 to 7 carbon atoms..
| Near infrared fluorogen and fluorescent activating proteins for in vivo imaging and live-cell biosensing|
Tissue slices and whole organisms offer substantial challenges to fluorescence imaging. Autofluorescence and absorption via intrinsic chromophores, such as flavins, melanin, and hemoglobins, confound and degrade output from all fluorescent tags.
| Urethane-based optical component and manufacturing process therefor|
The present invention relates to a urethane optical member containing at least one kind of structures represented by the following formulae (1) and (2) in a structure constituting the optical member, and a method for producing the same.. .
| Chiral polymers for the self-assembly of photonic crystals|
Described herein are copolymers constructed from chiral, non-racemic monomers, which self-assemble to photonic crystals. The difficulty of incorporating chiral elements into photonic crystals has limited the ability to generate unique bandstructures for different circular polarizations of light.
| Hydrophilicity alteration system and method|
A system/method allowing hydrophilicity alteration of a polymeric material (pm) is disclosed. The pm hydrophilicity alteration changes the pm characteristics by decreasing the pm refractive index, increasing the pm electrical conductivity, and increasing the pm weight.
| Multi-spot metal-capped nanostructure array nucleic acid chip for diagnosing of corneal dystrophy and preparation method thereof producing same|
A multi-spot metal-capped nanostructure array nucleic acid chip for diagnosing corneal dystrophy, and more particularly to a multi-spot metal-capped nanostructure array nucleic acid chip capable of employing lspr (localized surface plasmon resonance) optical properties, a preparation method thereof, and a multi-spot metal-capped nanostructure array nucleic acid chip for diagnosing bigh3 gene mutations, which can diagnose various corneal dystrophies. The metal-capped nanostructure array nucleic acid chip can be combined with analysis devices, including a light source, a detector, a spectrophotometer and a computer, to provide an lspr optical property-based optical biosensor, and the use of the multi-spot metal-capped nanostructure array nucleic acid chip for diagnosing bigh3 gene mutations allows the simultaneous diagnosis of various corneal dystrophies that are genetic ocular diseases..
| Wide-bandwidth signal canceller|
A signal canceller includes a dual-drive electro-optic modulator having separate first and second electrical inputs. The first electrical input is coupled to a first portion of a first signal and the second electrical input is coupled to a second signal and to a second portion of the first signal.
| Feed forward parameter values for use in theoretically generating spectra|
A method of controlling a polishing operation is described. A controller stores an optical model for a layer stack having a plurality of layers and a plurality of input parameters including a first parameter and a second parameter.
| Optical model with polarization direction effects for comparison to measured spectrum|
A method of controlling a polishing operation includes storing an optical model for a layer stack having a plurality of layers. The optical model has a plurality of input parameters, the plurality of input parameters including a first parameter and a second parameter.
| Path for probe of spectrographic metrology system|
A method of operating a polishing system includes polishing a substrate at a polishing station, the substrate held by a carrier head during polishing, transporting the substrate to an in-sequence optical metrology system positioned between the polishing station and another polishing station or a transfer station, measuring a plurality of spectra reflected from the substrate with a probe of the optical metrology system while moving the carrier head to cause the probe to traverse a path across the substrate and while the probe remains stationary, the path across the substrate comprising either a plurality of concentric circles or a plurality of substantially radially aligned arcuate segments, and adjusting a polishing endpoint or a polishing parameter of the polishing system based on one or more characterizing values generated based on at least some of the plurality of spectra.. .
| Spectrographic metrology with multiple measurements|
A method of controlling a polishing system includes transporting a substrate to an in-line optical metrology system positioned in a chemical mechanical polishing system, at the in-line optical metrology system, moving a probe relative to the substrate to measure a plurality of spectra reflected from the substrate at a plurality of different positions on the substrate, for each measured spectrum of the plurality of spectra, determining a goodness of fit of the measured spectrum to a reference spectrum; and adjusting a polishing endpoint or a polishing parameter of the polishing system based on one or more characterizing values generated based on a subset of the plurality of spectra that includes only spectra of the plurality of spectra for which the goodness of fit meets a matching threshold.. .
| Transparent composite substrate and display element substrate|
A transparent composite substrate according to the present invention includes a composite layer containing a glass cloth formed of an assembly of glass fibers and a resin material impregnated in the glass cloth. The assembly of the glass fibers itself has a variation in a refractive index and a difference between a maximum value and a minimum value of the refractive index is equal to or less than 0.008.
| Methods of patterning small via pitch dimensions|
Integrated circuit methods are described. The methods include providing a photomask that includes two main features for two via openings and further includes an optical proximity correction (opc) feature linking the two main features; forming a hard mask layer on a substrate, the hard mask layer including two trench openings; forming a patterned resist layer over the hard mask layer using the photomask, wherein the patterned resist layer includes a peanut-shaped opening with two end portion aligned with the two trench openings of the hard mask layer, respectively; and performing a first etch process to the substrate using the hard mask layer and the patterned resist layer as a combined etch mask..
| System and method for performing a wet etching process|
A system and method for performing a wet etching process is disclosed. The system includes multiple processing stations accessible by a transfer device, including a measuring station to optically measure the thickness of a substrate, a controller to calculate an etch recipe for the substrate, in real time, and cause a single wafer wet etching station to etch the substrate according to the recipe.
| Spectraphic monitoring based on pre-screening of theoretical library|
An optical model for a layer stack has a plurality of input parameters, the plurality of input parameters defining a parameter space. A plurality of model spectra are generated by calculating a model spectrum using the optical model for each of a first plurality of different points in the parameter space.
| Article and method for detection of a drug in a liquid medium|
An article is provided for the detection of a drug in a liquid medium. The article includes a polymer having pores specifically imprinted to provide for capture of a drug in the pores, nanoparticles, and photochromic optical switch molecules.
| Method and apparatus for optical detection of bio-contaminants|
A method and apparatus for optical detection of residual soil on articles (such as medical instruments and equipment), after completion of a washing or a rinsing operation by a washer. A soil detection system provides an indication of soil on the articles by detecting luminescent radiation emanating from the soil in the presence of ambient light..
| Method for functionalizing a porous membrane covering of an optical sensor to facilitate coupling of an antithrom-bogenic agent|
Methods of covalently attaching heparin to a membrane comprising plasma treating the membrane to produce an amino-functionalized membrane; and reacting the amino-functionalized membrane with heparin under conditions in which heparin becomes covalently attached to the amino-functionalized membrane, wherein said heparin is indirectly attached via a spacer to said amino-functionalized membrane and/or said heparin is attached from a single site in said heparin to a single site on said amino-functionalized membrane or to said spacer. Also disclosed are analyte sensors..
| Device and method for determining processing capacity|
A system and method for determining a remaining processing capacity of a scrubber having a flow path and a processing material disposed along the flow path. A device may comprise a plurality of optical sensors disposed within the processing material and arranged along the flow path, a light source, and a processor for determining the capacity according to signals received from the optical sensor.
| Apparatus for selective excitation of microparticles|
Nucleic acid microparticles are sequenced by performing a sequencing reaction on the microparticles using one or more reagents, selectively exciting the microparticles in an excitation pattern, optically imaging the microparticles at a resolution insufficient to resolve individual microparticles, and processing the optical images of the microparticles using information on the excitation pattern to determine the presence or absence of the optical signature, which indicates the sequence information of the nucleic acid. An apparatus for optical excitation of the microparticles comprises an interference pattern generation module that splits a first laser beam into second and third laser beams and generates the excitation pattern for selectively exciting the microparticles by interference between the second and third laser beams..
| Methods of detecting test elements having degraded test chemicals as well as apparatuses incorporating the same|
An analytical apparatus is disclosed for detecting at least one analyte in a sample, where in an analyte measurement at least an electrical or optical property changeable by presence of the analyte at least one test chemical of a test element is recorded, and where the analytical apparatus also can perform at least one quality measurement on the at least one test chemical such as an intrinsic luminescence, which is recorded and from the intrinsic luminescence a conclusion is drawn on a quality of the test chemical and thus the test element. Methods also are disclosed for detecting at least one analyte in a sample that include a quality measurement of the at least one test chemical of the test strip..
| Optical element, analysis device, analysis method and electronic apparatus|
An optical element includes a metal layer having a thickness in a first direction; metallic particles spaced apart from the metal layer in the first direction; and a light transmitting layer separating the metal layer from the metallic particles. The metallic particles are disposed in a lattice shape in a second direction orthogonal to the first direction and in a third direction orthogonal to the first direction and the second direction.
| Optical element, analysis equipment, analysis method and electronic apparatus|
An optical element includes a metal layer in which a first direction is a thickness direction; metallic particles provided to be spaced from the metal layer in the first direction; and a light transmitting layer that separates the metal layer from the metallic particles, in which the size t of the metallic particles in the first direction satisfies a relationship of 3 nm≦t≦14 nm, and the size d of the metallic particles in a second direction orthogonal to the first direction satisfies a relationship of 30 nm≦d<50 nm.. .
| Portable laparoscopic trainer|
A portable surgical training device is provided. The trainer includes a top cover spaced apart from a base to form a simulated body cavity for locating model organs that are substantially obscured from the field of view of the user.
| Method of manufacturing a color filter|
A color filter is manufactured on each of a plurality of light-receiving elements of an rgb sensor using a plurality of kinds of light-transmitting films having different transmission colors. In such a case, the light-transmitting film that is to be coated next does not uniformly spread across the entire semiconductor wafer, and coating nonuniformities readily occur when a pattern of the light-transmitting film formed earlier on a certain optical element has a right angle portion.
| Antifog optical article and manufacturing method thereof|
[solution] a water-absorbing layer consisting primarily of urethane or acrylic resin having a polyoxyethylene chain represented as —(ch2ch2o)n- is formed on a surface of a glass or plastic base material, a water-repellent layer consisting primarily of at least one of amino-modified silicone and mercapto-modified silicone is formed on a surface of the water-absorbing layer, and a contact angle with respect to water on a surface of the water-repellent layer is set equal to or larger than 100 degrees.. .
| Pressure-sensitive adhesive composition|
The present application is relates to a pressure-sensitive adhesive composition. The pressure-sensitive adhesive composition of the present application may form a pressure-sensitive adhesive having excellent durability and reliability, stress relaxation and reworkability.
| Graphical application system|
The invention relates to a graphical application system to apply a desired pattern by multiple tiles onto a target surface. The system comprises a graphical application device comprising a base structure with a trackable optical feature, at least one nozzle for expelling paint, a driving unit for positioning the nozzle and a local camera for a local referencing of the nozzle.
| Method for mechanical and/or optical functionalization of a transparent timepiece component|
A method for mechanical and/or optical functionalization of a transparent timepiece component, including: forming a body of methyl polymethacrylate, including a bottom surface and a mechanical and/or optically functionalized intermediate surface; coating the body with a layer made by injecting a second transparent polymerizable material into a cavity between a mold and the body or an intermediate body delimited by a complementary intermediate surface of a contact surface of a preceding mold, the last mold being the negative of the top surface of the component; polymerizing the second material therein; removing the component from the flexible mold by deformation of the mold. Hardness can be improved by uv irradiation of a component..
| Cosmetic composition|
The invention relates to cosmetic compositions comprising a water-in-oil emulsion comprising hydrophobically modified particles, amino functionalized silicone and water; the cosmetic composition further comprising a viscosity modifying agent and optical light modifying agent. The invention further relates to a method of modifying the optical appearance of skin comprising the step of applying to the skin the cosmetic composition of the invention..
| Fixing device|
Provided is a fixing device including a transparent belt, a press roller that is rotated with being opposed to and contacting with the transparent belt, and transports a recording medium interposed therebetween, a press member-cum-optical system that contacts with the transparent belt from an opposite side to the press roller, forms a press region for pressing a toner image formed on the recording medium in cooperation with the press roller during transport of the recording medium, and collects laser light on the toner image in the press region in a transport direction of the recording medium, and a laser light irradiation unit that irradiates the press member-cum-optical system with laser light.. .
| Sensor and image-forming apparatus|
A sensor comprising an optical sensor including a light source and a plurality of light receivers which receive light emitted from the light source and light regularly reflected and diffusely reflected by an object, a database including output data regarding multiple objects of known and different types from the plurality of light receivers when an incident direction of light emitted from the light source forms a first direction to the object and when the incident direction of light emitted from the light source forms a second direction which is orthogonal to the first direction, and a processor which controls the light emitted from the light source to illuminate an object of unknown type and specifies the type of the object by matching the output data of the plurality of light receivers to the database.. .
| Light emitting device, manufacturing method thereof, and optical transceiver|
The light emitting device includes an active layer formed on a semiconductor substrate for emitting light, a semiconductor layer of a first conductivity type electrically connected to one end of the active layer, a semiconductor layer of a second conductivity type electrically connected to the other end of the active layer, first and second electrodes, a feedback mechanism for laser oscillation, and a waveguide for guiding the light emitted from the active layer, in which the active layer is made of a semiconductor having an affinity with a silicon cmos process, and the semiconductor layer of the first conductivity type and the semiconductor layer of the second conductivity type, and the waveguide are each made of silicon as a part of the semiconductor substrate.. .
| Optical communication apparatus|
An optical communication apparatus includes a substrate having a through hole; an optical element which includes a light terminal for receiving or sending light and is mounted on a surface of the substrate so that the light terminal faces an opening of the through hole; a light guide member which includes a first lens facing the light terminal of the optical element, a surrounding portion which surrounds a periphery of the first lens on a side of the opening of the through hole, and a guide portion which is provided inside the through hole and guides the light between the opening and another opening of the through hole; and a light waveguide which is arranged on a side of another surface of the substrate and includes a light guide optically connected to the light guide member on a side of the another opening of the through hole.. .
| System and method for free space optical communication beam acquisition|
A free space optical communication system (10) including first and second mono-static transceivers (20a, 20b). Each transceiver (20a, 20b) includes a reflective assembly (40) defining a reflective surface (44) about a receiving end of a respective optical fiber (32) and configured to reflect optical signals (26) within a field of view of the transceiver (20a, 20b) as a modulated retro-reflective signal (28).
| Optical communications system|
An optical communications system is disclosed. In the optical communications system, a received light source is modulated in accordance with an electrical signal using an acousto-optic modulator.
| Method and system for receiving an optical-duo-binary signal|
The invention inter alia relates to a method of receiving an optical-duo-binary, odb, signal (s), which has a predefined odb-transmission bit-rate (b), using a photoreceiver, said method comprising the step of filtering the odb signal using a filter (10) which provides a frequency peak in the photoreceiver's frequency response located in the spectral range between 30% and 70% of the predefined odb-transmission bit-rate.. .
| Communication between transceivers using in-band subcarrier tones|
The invention relates to a system and method of communication between optical transceivers in an optical wdm network, wherein a broad-band modulation of optical signals in a primary frequency band is utilized for transmitting primary high-speed data, while a plurality of relatively low-frequency in-band subcarriers is used to modulate the optical signals to transmit secondary data between network nodes, wherein the plurality of low-frequency subcarriers lie at least in part within the primary frequency band.. .
| Temperature controlled multi-channel transmitter optical subassembly and optical transceiver module including same|
A temperature controlled multi-channel transmitter optical subassembly (tosa) may be used in a multi-channel optical transceiver. The temperature controlled multi-channel tosa generally includes an array of lasers optically coupled to an optical multiplexer, such as an arrayed waveguide grating (awg), to combine multiple optical signals at different channel wavelengths.
| Wavelength assignment for multiple operator support|
An apparatus comprising a plurality of optical line terminals (olts) corresponding to different providers that share an optical distribution network (odn), a plurality of optical network units (onus) coupled to the olts via the same odn and configured to communicate with the different olts using different corresponding pairs of upstream and downstream channels, wherein the upstream and downstream channels are interleaved across a plurality of wavelength bands and comprise a sequence of alternating and contiguous upstream and downstream channels, are aligned with a plurality of wavelength division multiplexing (wdm) channels, and satisfy a plurality of design requirements for the olts and onus.. .
| Pdm-(m) ask optical systems and methods for metro network applications|
An apparatus, e.g. An optical communication system, includes an optical transmitter and an optical receiver.
| Optical burst switched network nodes|
An optical node includes a wavelength splitter configured to split optical signals comprising multiple optical wavelengths into separate outputs, with each of the separate outputs having a different wavelength. The optical node further includes a detector configured to detect optical signals associated with packets at each of the separate outputs, and determine a modulation applied to the optical signals at each of the separate outputs.
| Latching optical switch and subsystem using bistable liquid crystal|
A submarine network includes a submarine network with a branching unit bu for splitting or combining a signal between a main trunk path and a branch path for allowing signals from different paths to share a same fiber optic path, said bu and submarine network normally having a fixed and predetermined wavelength arrangement preventing reconfigurability of the submarine network, and a latching wavelength selective switch wss or wavelength blocker wb in the branching unit for splitting or combining the signals between the main trunk path and branch path to enable a latching capability and enable reconfigurability of the branching unit bu, the latching wsss being a bistable liquid crystal based material without moving parts for increased stability and lower power consumption over use of conventional mono-stable liquid crystal lc switches in a submarine network.. .
| Wavelength path switching method, optical communication system, optical communication device, optical relay device, and network management device|
At least one of a first device, a second device, and a relay device compensates for wavelength dispersion in a first optical wavelength path. The first or second device changes a wavelength dispersion compensation amount at the first or second device so that wavelength dispersion in a second optical wavelength path is compensated.
| Optical transceiver device|
An optical transceiver device is provided, including an o/e transceiver module, an optical switching module and a switching control module, for providing network communication services for a first and a second optical fiber network equipment. The o/e transceiver module is an integrated chip having multiple transceiver units integrated therein.
| Dynamic wavelength virtualization and/or on-demand flow provisioning in optical networks|
A network apparatus used in an optical network is disclosed. The network apparatus includes one or more first tunable and temperature controlled (ttc) lasers, one or more transmitters each of which is connected to one of said one or more ttc lasers, one or more second ttc lasers, one or more digital signal processing (dsp) transponders (tpnds) each of which is connected to one of said one or more second ttc lasers, one or more receivers, and a controller to control said one or more transmitters and said one or more dsp tpnds, wherein said one or more transmitters defragment an optical access spectrum, and said one or more dsp tpnds exploit a newly available spectrum.
| Method and controller for commissioning wavelength division multiplexing optical network during capacity expansion|
The present invention discloses a method and a controller for commissioning a wave division multiplexing optical network during capacity expansion. The method includes: calculating, according to a preset rule, initial power of a wavelength service to be added and adding one or more wavelength services according to the initial power; detecting power of each newly-added wavelength service in transmission and separately calculating target power of each newly-added wavelength service according to a detected value and the initial power; calculating end-to-end performance of an existing wavelength service and end-to-end performance of each newly-added wavelength service when each newly-added wavelength service reaches its respective target power; and adjusting the power of each newly-added wavelength service when each newly-added wavelength service reaches its respective target power and the end-to-end performance of the existing wavelength service and the end-to-end performance of each newly-added wavelength service meets their respective lowest threshold requirements..
| Collecting status from a partner management domain|
An apparatus comprising a generic status portal (gsp) configured to grant access to a managed entity (me) via an optical network terminal (ont) management and control interface (omci), wherein the me comprises status information about a non-omci management domain at the ont. Also included is an apparatus comprising at least one processor configured to implement a method comprising initializing an ont me, adding status information associated with a managed function to the ont me, indicating a status information update of the ont me, and providing the status information via an omci.
| Large-capacity fiber optical switching device and optical transmission system|
A highly reliable optical switching device and optical switching method ensure restoration of the failure in the large-capacity high density wiring of the multicore fiber with the general number of cores (7 cores, 19 cores and the like). An optical transmission system which transmits a supervisory control signal concerning a transmission path switching to one or more cores of a single or multiple multicore fibers, an active signal to one or more cores, and a standby signal to one or more cores includes optical switching devices connected to respective ends of the optical transmission system.
| Monolithic multi-optical-waveguide penetrator or connector|
Methods and apparatus are provided for a monolithic multi-optical-waveguide penetrator or connector. One example apparatus generally includes a plurality of large diameter optical waveguides, each having a core and a cladding, and a body having a plurality of bores with the optical waveguides disposed therein, wherein at least a portion of the cladding of each of the optical waveguides is fused with the body, such that the apparatus is a monolithic structure.
| Optical fiber adapter|
An optical fiber adapter according to the present invention includes four walls defined as first wall, second wall, third wall and fourth wall, respectively, wherein the first wall faces the third wall and connects with the second and fourth walls. The four walls define an accommodation room.
| Optical fiber and method of manufacturing the same|
An optical fiber is provided. The optical fiber has a refractive index profile that includes a central core, an inner cladding layer, a trench layer, and an outer cladding layer.
| Multimode optical fibers and methods of manufacture thereof|
The present invention generally relates to the field of fiber optics, and more specifically to optical fibers, methods of manufacturing optical fibers, and methods of classifying optical fibers. In an embodiment, the present invention is a multimode optical fiber which comprises a core and clad material system where the refractive indices of the core and cladding are selected to minimize chromatic dispersion in the 850 nm wavelength window and the refractive index profile is optimized for minimum modal-chromatic dispersion in channels utilizing vcsel transceivers.
| Low attenuation optical fibers with an f-graded index core|
An optical fiber is provided that includes a fiber configured to transmit optical data in a plurality of modes or in a single mode; a core region in the fiber that comprises fluorine-doped silica; and a cladding in the fiber that surrounds the core region and that comprises fluorine-doped silica. The core region has a graded refractive index profile with an alpha of about 0.5 to 5.
| Optical waveguide element and method of producing the same|
An optical waveguide element includes a cladding portion made of a silica-based glass, and an optical waveguide positioned in the cladding portion and made of a silica-based glass in which a zro2 particle is dispersed.. .
| Photonic device structure and method of manufacture|
Disclosed method and apparatus embodiments provide a photonic device with optical isolation from a supporting substrate. A generally rectangular cavity in cross section is provided below an element of the photonic device and the element may be formed from a ledge of the supporting substrate which is over the cavity..
| Multi-core optical waveguide for multi-parameter sensing|
Methods and apparatus are provided for transmitting light along multiple pathways using a multi-core optical device. One example apparatus generally includes a plurality of large diameter optical waveguides, each having a core and a cladding, and a body having a plurality of bores with the optical waveguides disposed therein, wherein at least a portion of the cladding of each of the optical waveguides is fused with the body, such that the apparatus is a monolithic structure.
| Fiber optic distribution cables and structures therefor|
A fiber optic distribution cable includes a jacket defining an exterior of the fiber optic distribution cable and a plurality of optical fibers extending through a cavity of the jacket. The jacket has an access location with a single opening formed in the jacket that extends to the cavity.
| Power cable with ability to provide optical fiber upgrade|
The disclosed power cable enables optical fibers to be installed after the power cable has been installed, thereby forming a hybrid cable. Segments of the power cable are manufactured with fiber installation tubes containing pulling members.
| Fiber optic cable assembly|
A fiber optic cable assembly includes a distribution cable and a tether cable. The distribution cable includes a jacket having a generally flat profile such that the periphery of the distribution cable, when viewed in cross-section, includes two major surfaces of the jacket that are generally flat and are connected by arcuate end surfaces of the jacket.
| Multipurpose optical fibre drop cable|
A telecommunication cable includes at least one optical fibre unit surrounded by a low fire hazard halogen free polymeric inner sheath that is covered by and in contact with a peelable, environmentally resistant polymer outer sheath. At least two discrete strength members are embedded into the low fire hazard halogen free polymeric inner sheath.
| Furcating fiber optic cables without direct coupling of optical fibers to strength members, and related assemblies and methods|
Furcating fiber optic cables without direct coupling of optical fibers to strength members are disclosed. Related methods and assemblies are also disclosed.
| Optical couplings having a coded magnetic array, and connector assemblies and electronic devices having the same|
Optical couplings for optically coupling one or more devices are disclosed. According to one embodiment, an optical coupling includes an optical coupling body, an optical interface, and a coded magnetic array located at the optical coupling body.
| Cable assembly with cable attach structure having off-axis fiber routing|
A cable attach structure for attaching a fiber-optic cable to a rear end and a connector to a front end is disclosed. In one embodiment, the cable attach structure is a portion of a fiber optic cable assembly having a fiber optic cable with at least one optical fiber and a connector attached to the optical fiber.
| Heat dissipation device and method for use in an optical communications module|
A heat dissipation system and method are embodied in an optical subassembly (osa) that mechanically couples with an electrical subassembly (esa) of an optical communications module. When the osa is coupled with the esa, a heat dissipation block that is embedded in the osa is spaced apart from components of the esa by a small air gap.
| Liquid displacing optical coupling assemblies|
According to various embodiments, an optical assembly may include a ferrule element having a fiber guiding portion separated from an in-wall locating feature by an access region, and a lens element positioned opposite access region and aligned with the in-wall locating feature. The optical assembly also includes an optical component coupled to and extending through the fiber guiding portion and the access region such that a proximal end of the optical component is positioned within the in-wall locating feature.
| Optical connector|
There is provided an optical connector configured to receive a plurality of mt ferrules attached to terminal ends of multi-fiber cables. The optical connector includes a housing through which multiple receiving holes receiving the mt ferrules are bored.
| Female hardened optical connectors for use with male plug connectors|
A female hardened fiber optic connector for terminating an end of a fiber optic cable that is suitable for making an optical connection with another hardened cable assembly and cable assemblies using the same are disclosed. The female hardened fiber optic connector includes a connector assembly, a crimp body, a connector sleeve, and female coupling housing.
| Female optical receiving device and method|
The present document describes a female optical receiving device for connecting a first optical fiber to a second optical fiber. The first optical fiber is substantially centered within a proximal portion of a guidewire tubing.
| Hybrid ferrule and fiber optical test device|
The present invention is a hybrid ferrule which is able to be connected to both, angle polished and flat polished, mpo connectors; a test device including the above mentioned hybrid ferrule; and a test kit, including the above mentioned test device with hybrid ferrule. The hybrid ferrule of the present invention includes first, second, and third surfaces which are designed in a special way to ensure the high quality connection with sm or mm type connectors.
| Optical communication module|
An optical communication module includes a photoelectric conversion unit and a lens unit, the photoelectric conversion unit includes a substrate. The lens unit is fixed on the substrate.
| Expanded beam optical connector and method of making the same|
An expanded beam (eb) optical connector. In some embodiments, the eb optical connector includes: a rigid, hollow, straight contact tube having a centerline axis; and a collimator assembly having an optical axis and comprising an optical fiber and a collimating lens, wherein the centerline axis of the contact tube is at least substantially aligned with the optical axis such that collimated light produced by the lens from light exiting the fiber travels though the contact tube and the loss of light caused by misalignment of the axes is not more than 2 db..
| Optical device module and optical communication network system using the same|
An optical device module includes a substrate, an interlayer insulating layer on the substrate, an optical waveguide on the interlayer insulating layer, an optical device on the optical waveguide, and a prism disposed between the optical device and the optical waveguide. The prism has a refractive index greater than a refractive index of the optical waveguide..
| Subwavelength grating coupler|
A method, system or device for configuring an optical coupling device including obtaining characteristics of an optical signal and ambient conditions for storage in memory, utilizing a processor for identifying an optimum effective subwavelength area refractive index and a grating period for the input signal and ambient characteristics stored in memory, and utilizing the processor for identifying a preferred filling factor for a transverse polarization.. .
| Optical closed loop microresonator and thyristor memory device|
A monolithic semiconductor device that includes a waveguide structure optically coupled to an optical resonator. The optical resonator is adapted to process light at a predetermined wavelength.
| Optical modulator module and semiconductor optical modulator|
A semiconductor optical modulator includes optical input and output portions; a plurality of mach-zehnder modulators including first and second waveguide arms having first and second modulation electrodes, respectively; an optical demultiplexer coupled between the optical input portion and the mach-zehnder modulator through an optical waveguide; an optical multiplexer coupled between the optical output portion and the mach-zehnder modulator; a plurality of electrical inputs including first, second, and common electrodes disposed between the first and second electrodes; and a plurality of differential transmission lines electrically connecting the electrical inputs to the mach-zehnder modulators. The mach-zehnder modulators, the optical demultiplexer, the optical multiplexer, the electrical inputs, and the differential transmission lines are disposed on a single substrate.
| Electro-optic silicon modulator with longitudinally nonuniform modulation|
A device, such as a silicon modulator, in accordance with the present disclosure employs pn diodes without sacrificing the modulation depth, while achieving lower loss and better impedance matching to 50-ohm drivers. In one embodiment, the device includes an input waveguide, an input optical splitter coupled to the input waveguide, first and second optical phase shifters coupled to the input optical splitter, an output optical splitter coupled to the first and second phase shifters, and an output waveguide coupled to the output optical splitter.
| Optical modulator with automatic bias correction|
An optical modulator uses an optoelectronic phase comparator configured to provide, in the form of an electrical signal, a measure of a phase difference between two optical waves. The phase comparator includes an optical directional coupler having two coupled channels respectively defining two optical inputs for receiving the two optical waves to be compared.
| Electro-optic modulator|
An electro-optic modulator for the modulation of optical radiation of a predetermined wavelength, the electro-optic modulator having at least one optical resonator in which a standing optical wave can be formed for the predetermined wavelength. In the resonator, at least two doped semiconductor sections—as seen in the longitudinal direction of the resonator—are arranged at a distance from one another, and the at least two doped semiconductor sections respectively lie locally at an intensity minimum of the standing optical wave..
| Screenshot orientation detection|
A method and/or system for screenshot orientation detection may include performing an initial optical character recognition (ocr) and/or an initial face recognition technique on a screenshot of an application. A determination of whether the screenshot orientation is correct may be made based on, for example, the initial ocr and/or the initial face recognition technique.
| Methods and computer program products for quantitative three-dimensional image correction and clinical parameter computation in optical coherence tomography|
Methods and computer program products for quantitative three-dimensional (“3d”) image correction in optical coherence tomography. Using the methods and computer program products, index interface (refracting) surfaces from the raw optical coherence tomography (“oct”) dataset from an oct system can be segmented.
| Apparatus and method for capturing a vital vascular fingerprint|
A method using optical coherence tomography to capture the microvascular network of the superficial layer of the finger skin for the purpose of fingerprint authentication and liveness detection. At the dermal papilla region, the vascular pattern follows the same pattern of the fingerprint and this vascular pattern forms a live vascular fingerprint.
| Optical fiber temperature distribution measurement device and method of measuring optical fiber temperature distribution|
An optical fiber temperature distribution measurement device configured to receive raman back scattering lights obtained by inputting a pulsed light into an optical fiber and to measure a temperature distribution along a longitudinal direction of the optical fiber is provided. The device includes a first filter device.
| Device for calibrating temperature, and methods for calibrating the temperature of and positioning a fiber-optic temperature sensor|
The invention relates to a device (100) for calibrating the temperature of a fiber-optic temperature sensor, with which an optical fiber (10) of a fiber-optic temperature sensor is to be provided. The device (100) comprises a device body (101) having a passage (109) through which the optical fiber (10) is to pass, and a means for transferring heat energy.
| Semiconductor light emitting device and method for manufacturing same|
According to an embodiment, a semiconductor light emitting device is configured to emit light by energy relaxation of an electron between subbands of a plurality of quantum wells. The device includes an active layer and at least a pair of cladding layers.
| Semiconductor light emitting device and method for manufacturing same|
According to an embodiment, a semiconductor light emitting device is configured to emit light by energy relaxation of an electron between subbands of a plurality of quantum wells. The device includes an active layer and at least a pair of cladding layers.
| Optical pickup and optical information storage system including the same|
Provided are an optical pickup and an optical information storage system including the same. The optical pickup includes a diffracting element that splits incident light into main light and a plurality of sub light.
| Optical pickup and optical information storage system including the same|
Provided are an optical pickup and an optical information storage system including the same. The optical pickup includes a photodetector that receives a main light beam and a plurality of sub-light beams reflected from an information storage medium and diffracted by a diffracting element.
| Optical information recording apparatus, optical information recording method, optical information reproducing apparatus and optical information reproducing method|
An optical information recording/reproducing apparatus and an optical information recording/reproducing method that record information using holography, wherein the optical information recording/reproducing apparatus includes a signal generation unit that generates two-dimensional data by a two-dimensional encoding method in which a lower-limit value of a number of continuous on/off pixels in an array in one direction of pixels in a two-dimensional spatial light modulator is k(k≧2, k: natural number); and a pickup that records the two-dimensional data, generated by the signal generation unit, on a hologram disc.. .
| Tilted structures to reduce reflection in laser-assisted tamr|
A tamr (thermal assisted magnetic recording) write head uses the energy of optical-laser excited surface plasmons in a plasmon generator to locally heat a magnetic recording medium and reduce its coercivity and magnetic anisotropy. The optical radiation is transmitted to the plasmon generator by means of a waveguide, whose optical axis (centerline) is tilted relative to either or both the backside surface normal and abs surface normal in order to eliminate back reflections of the optical radiation that can adversely affect the properties and performance of the laser.
| Mounting device for a sanitary element|
A mounting device (26) for a sanitary element comprises a mounting frame (30) to hold the sanitary element and a lighting unit (b) connected to the mounting frame, which comprises a first optical means (1) having at least one light source (3) for providing a first glow of light (5) and at least one second optical means (2) having at least one light source (4) for providing a second glow of light (6), wherein the said glows of light (5, 6) can be output from the mounting device (26).. .
| Linear light source, light guide, and optical scanning module|
A linear light source emits light beams for illuminating a target. The linear light source includes a light guide, and a light-emitting unit.
| Vehicular lamp|
A vehicular lamp including at least three or more optical systems (10 to 50) that form respective illumination areas (15 to 55) in front of the lamp, thus forming a light distribution pattern in front of the lamp with the bombined illumination areas (15 to 55). The optical axes of the optical systems (10 to 50) are offset from one another in a horizontal direction in the order from the optical system (10) provided at the uppermost position to the optical system (50) provided at the lowermost position such that the illumination area (15) formed by the optical system (10) at the uppermost position is located at one end of the light distribution pattern in the horizontal direction, and the illumination area (55) formed by the optical system (50) at the lowermost position is located at the other end of the light distribution pattern in the horizontal direction..