|| List of recent Optical-related patents
|Optical semiconductor device, socket, and optical semiconductor unit|
An optical semiconductor unit of the present invention has an led device provided with an led (light emitting diode) and a socket to which the led device is mounted, the led device has a main body to which the led is mounted, the main body has a first surface to which block-shaped electrode portions are connected.. .
|Systems and methods for data communication|
A data communication system is provided. The data communication system includes a data bus, and a line replacement unit including a terminal controller, and a plastic optical fiber serial interface module (pofsim) coupled between the terminal controller and the data bus.
|Unified parking management system and method based on optical data processing|
A system and method for unified parking management based on optical data processing from installed cameras. The invention can be used in both on-street and off-street parking situations.
|Providing virtual optical disk drive|
A method for providing a virtual optical disk drive (odd) is provided. The method can comprise: simulating a pci ide controller through pci configuration space io trap and simulating the odd through ide device io trap..
|Systems, methods, and apparatus for providing indoor navigation using optical floor sensors|
An apparatus includes (i) an absolute position sensor coupled to a case, the position sensor including a light sensor, and circuitry configured to determine an identifier within a barcode, the individual bars of the barcode being sensed by the light sensor, and (ii) a motion sensor coupled to the case, the motion sensor including a first magnetic field sensor, a code wheel having two or more magnets positioned to rotate in unison with a wheel of the moveable object, and encoder circuitry configured to determine an amount of rotation of the wheel of the moveable object based on an output of the first magnetic field sensor.. .
|Visible light photo-disinfection patch|
A method and device are presented for providing patient safe light to a wound. The device includes a radiation source producing flora lethal radiation wavelengths, a radiation conduit detachably optically coupled to the radiation source, and a patch remotely located from the radiation source configured to at least partially conform to a surface contour of the wound.
|Disposable active pulse sensor|
A disposable active pulse sensor has an emitter that generates optical radiation having a plurality of wavelengths, a detector that is responsive to the optical radiation and an unbalanced electrical motor that vibrates when energized. A tape assembly removably attaches the emitter, the detector and the unbalanced electrical motor to a tissue site.
|Ocular ultrasound probe|
Devices, systems and methods for ocular ultrasound are provided having therapeutic and/or diagnostic applications. In one aspect, an ocular probe is disclosed that is uniquely configured for use in the eye on the basis of shape and frequency.
Where n1 is a refractive index of the light guide member, n2 is a refractive index of the securing material, and θi is a spread angle of incoming light from the optical fiber.. .
|Opacity consistent polymer graft for optical sensor|
A sensor (e.g., an optical sensor) that may be placed within a living animal (e.g., a human) and may be used to measure an analyte (e.g., glucose or oxygen) in a medium (e.g., interstitial fluid) within the animal. The sensor may include a sensor housing and a polymer graft including indicator molecules and covering at least a portion of the sensor housing.
|Portable device for measuring blood pressure and method thereof|
A portable blood pressure measuring apparatus and a method therefor are provided. A method for measuring blood pressure by an electronic device includes measuring a blood pressure of a user; measuring a pulse wave velocity (pwv) using a pulse wave and an electrocardiogram (ecg) signal of the user, wherein the pulse wave is measured by an optical sensor, and the ecg signal is measured by an ecg electrodes portion; and compensating the blood pressure using the pwv..
|Wearable sensor device for health monitoring and methods of use|
A device for monitoring health information. The device comprises a material capable of being worn on a person's body, an optical generator, an optical sensor, a processor, and an interface for communicating with an external device.
|Method for fiducial-less real-time tracking in radiation treatment of abdominal tumors|
A method for fiducial-less real-time motion tracking of abdominal tumors based on the correlation between the patient's breathing pattern and the diaphragm/lung border during treatment delivery. This invention utilizes an edge detection technique to delineate the diaphragm/lung border on radiographic images in order to calculate or determine tumor locations in the abdomen.
|Ultraviolet cured optic binder|
The ultraviolet cured optic binder has low curing shrinkage, low hardness and high optical transmittance. Technology programs are as follows: an ultraviolet cured optic binder composition includes the following raw material in parts by weight: 50 to 100 parts of prepolymer, 20 to 90 parts of inert resin, 35 to 70 parts of monomer, 5 to 12 parts of photoinitiator, 2 to 3 parts of coupling reagent, 1 to 2 parts of auxiliaries..
|Device and method for particle complex handling|
An embodiment of the invention relates to a device for detecting an analyte in a sample. The device comprises a fluidic network and an integrated circuitry component.
|Cassette for sterility testing|
The invention provides a device for growing cells—referred to as a cassette. The cell culturing device includes a housing that contains a lid having an optically clear window; a fluid distribution channel; a sample injection port fluidically connected to the fluid distribution channel; a base housing a porous media pad; and a media injection port fluidically connected to the media pad.
|Apparatus for disease detection|
The present invention provides, among others, apparatus for detecting a disease, comprising a system delivery biological subject and a probing and detecting device, wherein the probing and detecting device includes a first micro-device and a first substrate supporting the first micro-device, the first micro-device contacts a biologic material to be detected and is capable of measuring at the microscopic level an electric, magnetic, electromagnetic, thermal, optical, acoustical, biological, chemical, physical, or mechanical property of the biologic material.. .
|Photonic nanoantenna mediated gene circuit reconfiguration|
A selectively addressable optical biomolecular carrier and its method of use for reconfiguring gene circuits are described. One carrier is a plasmon resonant nanoantenna formed from a gold metal nanorod coated with a cationic phospholipid bilayer with an aspect ratio between 2.0 and 8.0 and plasmon resonance wavelength in the near infrared range.
|Optical projection tomography microscopy (optm) for large specimen sizes|
Claimed is an imaging and diagnostic system and method for focal scanning of a specimen using optical projection tomographic microscopy and computer generation of three-dimensional images. One embodiment comprises a light source and an imaging system having an adjustable focal position which acquires a plurality of digital 2d projection images of biological tissue placed within a specimen tube that translates and rotates past an optical lens in a helical pattern.
|Optically induced cell lysis biochip|
The present invention provides an optically induced cell lysis biochip, which comprises: an upper substrate made of a transparent, electrically conductive material; a lower substrate made of a transparent, electrically conductive material; a photoconductive layer formed under the lower surface of the upper substrate or on the upper surface of the lower substrate; and a chamber formed between the upper substrate and the lower substrate. When there is an electric potential difference between the upper and lower substrates, a light spot illuminated on the photoconductive layer can cause the impedance of the illuminated area to decrease, thereby causing the electric current to center on the illuminated area of the photoconductive layer.
|Coating composition and method for determining the uniformity and thickness of a no-rinse silane pretreatment|
The invention is directed to a detectable and stable composition comprising an organofunctional silane and/or hydrolyzate and/or partial or complete condensate thereof, a colloidal metal oxide, a water soluble organic dye having a positive charge and a counterion derived from a carboxylic acid of from 1 to 6 carbon atoms, and water. The invention is also directed to a method for determining the uniformity and film thickness of a detectable composition applied to a substrate comprising applying to the surface of the substrate the detectable composition and measuring an optical property of the applied coating, the resulting measurement being related to the uniformity of the applied composition..
|Optical information recording medium|
An optical information recording medium is provided which comprises a laminate of unit structure sheets, each including an adhesive layer configured as an intermediate layer and at least one recording layer. The unit structure sheets are each made with the recording layer and the adhesive layer formed by applying materials in one specific application direction, and the unit structure sheets in one optical information recording medium are classifiable into pairs such that application directions therefor in each pair are shifted 180 degrees from each other..
|Large area optical quality synthetic polycrystalline diamond window|
A polycrystalline chemical vapour deposited (cvd) diamond wafer comprising: a largest linear dimension equal to or greater than 125 mm; a thickness equal to or greater than 200 μm; and one or both of the following characteristics measured at room temperature (nominally 298 k) over at least a central area of the polycrystalline cvd diamond wafer, said central area being circular, centred on a central point of the polycrystalline cvd diamond wafer, and having a diameter of at least 70% of the largest linear dimension of the polycrystalline cvd diamond wafer: an absorption coefficient≦0.2 cm−1 at 10.6 μm; and a dielectric loss coefficient at 145 ghz, of tan δ≦2×10−4.. .
|Security element with color-switching effect, use of same and method for producing same|
The invention relates to a security element comprising a coating of a material which has an optically variable effect, in particular a colour-tilt effect, and cutouts which are identifiable in transmitted light, wherein the security element comprises a carrier substrate and a partial layer having cutouts, wherein the partial layer is made of an opaque coating having light-absorbing properties on the side that faces the coating made of the material having an optically variable effect and having a metallic colouration on the side that faces away from the coating made of the material having an optically variable effect, wherein the partial opaque coating consists of a light-absorbing metallic layer and a reflective metallic layer and a method for producing the same.. .
|Curable coating composition|
Uv curable coating composition includes a non hydrolyzed epoxy- alkoxy-silane, polyfunctional acrylate and/or epoxy compounds and a cationic and/or free-radical photo-initiator; with polyfunctional acrylate and/or epoxy compounds representing more than 40 weight % of the total dry matter and the composition being without any hydrolyzed epoxy-alkoxy-silane. This composition is coated and cured on an optical substrate..
The present invention relates to polymer, homo- or copolymer or oligomer, which, when irradiated with polarised light orients perpendicular to the polarization direction of polarized actinic light, for the photoalignment of liquid crystals, especially for the planar orientation of liquid crystals, and which derives from at least one monomer (i), compositions thereof, and its use for optical and electro optical devices, such as, liquid crystal devices (lcds), especially for planar orientation of liquid crystals.. .
|Forming structures using aerosol jet ® deposition|
Method and apparatus for direct writing of passive structures having a tolerance of 5% or less in one or more physical, electrical, chemical, or optical properties. The present apparatus is capable of extended deposition times.
|Roller die and a method for manufacturing the roller die|
Manufacture of a roller die configured for molding microstructures onto an optical film, includes an uncoated roller and a number of micro-structures formed on an outer surface of the roller, and a layer of diamond-like carbon film being formed on the surfaces of the micro-structures.. .
|Non-invasive refractive treatment using nanoparticles|
Embodiments of this invention generally relate to systems and methods for optical treatment and more particularly to non-invasive refractive treatment method based on sub wavelength particle implantation. In an embodiment, a method for optical treatment identifies an optical aberration of an eye, determines a dopant delivery device configuration in response to the optical aberration of the eye, wherein the determined dopant delivery device is configured to impose a desired correction to the eye to mitigate the identified optical aberration of the eye by applying a doping pattern to the eye so as to locally change a refractive index of the eye..
|Rapid infusion of autologous bone marrow derived stem cells|
The present invention relates to a method and composition for the aspiration, processing, testing and infusion of bone marrow derived stem cells, as an adjuvant treatment in cardiovascular disorders. More specifically, the invention provides for the methods and compositions for the aspiration, analysis, processing, infusate preparation and infusion of bone-marrow derived stem cells, particularly in a rapid point-of-care environment, wherein a centrifugal fractionation and optically monitored separation of the bone marrow yield desired cellular product in the desired concentration and viscosity..
|Image forming device providing accurate positioning between exposure unit and photosensitive body|
An image forming device capable of providing precise positional relationship between an exposure unit and a photosensitive body. The exposure unit having an exposure head elongated in a longitudinal direction and having light emitting sections arrayed in the longitudinal direction.
|Charging device, and image forming apparatus including the same|
A charging device includes a housing, a charging roller, and a brush roller. The housing is disposed adjacent to an optical path of light emitted an the exposure device to irradiate a photoconductor.
|Digital noise loading for optical receivers|
Managing performance of an optical communications network may be facilitated by digital noise loading techniques. The digital noise loading techniques may include measuring a quality of a communication signal received at a coherent optical receiver, applying digital noise to the communication signal at the coherent optical receiver, and detecting a change in the quality of the communication signal at the coherent optical receiver in response to the application of the digital noise.
|Optical homodyne coherent receiver and method for receiving a multichannel optical signal|
This disclosure relates to an optical receiver arrangement (500) and a method for receiving a multichannel optical signal ob in an optical receiver arrangement (500), wherein the optical signal ob comprises a number of optical channels a, b, c, d equally distributed around an optical carrier frequency flo and wherein the optical receiver arrangement (500) comprises an optical homodyne receiver (200) and a multichannel recovery unit (300). The method comprises the actions of: receiving and detecting the multichannel optical signal ob so as to provide at least one electrical quadrature signal iqv comprising at least one folded channel a+d, wherein each folded channel a+d correspond to a set of two optical channels a, d collapsed onto each other; and up converting said at least one electrical quadrature signal iqv so as to provide at least one up converted quadrature signal iqv-up comprising at least one pair of two separated unfolded channels a, d, wherein each pair correspond to the two optical channels a, d of an unique folded channel a+d; and demodulating said at least one up converted quadrature signal iqv-up so as to provide one baseband quadrature signal iqa, iqd for each un folded channel a, d such that each baseband quadrature signal iqa, iqd corresponds to one unique optical channel a, d..
|Method and apparatus for optical transmission in a communication network|
A manner of mitigating the self heating effect of a laser or other light source such as a laser in a network node of a communication network. A self-heating mitigation module is provided, the self-heating mitigation module includes one or both of a self-heating adjustment module to accelerate self heating at the beginning of a transmission and a sub-threshold lasing module that applies a sub-threshold current between transmissions.
|Apparatus and method of compensating for compact digital domain chromatic dispersion|
A method and apparatus of compensating for compact digital domain chromatic dispersion. The distortion of an optical signal due to chromatic dispersion is compensated by a digital signal processing in the electrical domain, either prior to the optical transmitter or following the receiver.
|Systems and methods for optically powering transducers and related transducers|
The present disclosure describes an optically powered transducer with a photovoltaic collector. An optical fiber power delivery method and system and a free space power delivery method are also provided.
|Optical communication device|
An optical communication device includes a printed circuit board (pcb), a light emitting element, a light receiving element, and a light waveguide. The pcb includes a substrate.
|Led light fixture|
An led light fixture includes one or more optical transceivers that have a light support having a plurality of light emitting diodes and one or more photodetectors attached thereto, and a processor in communication with the light emitting diodes and the one or more photodetectors. The processor is constructed and arranged to generate a communication or data transfer signal..
|Optical transmission system and optical transmission method|
An optical transmission system includes an optical transmitter and an optical receiver. The optical transmitter includes: a first digital signal processor configured to generate an electric-field information signal corresponding to a transmission signal; and a transmitter front-end configured to generate an optical signal from the electric-field information signal.
|System and method for multiple layer satellite communication|
A system and method are disclosed that may include a system and method for transmitting user data from an initial satellite in a first constellation located conveniently to an origination user terminal to a destination satellite in the first constellation located conveniently to a destination user terminal, the method including transmitting the user data over an optical link from the initial satellite in the first constellation to a first satellite within a second satellite constellation; conveying the user data over an optical link from the first satellite in the second constellation to a second satellite in the second constellation; and receiving the user data from the second satellite in the second constellation at the destination satellite in the first constellation.. .
|Reconfigurable optical add-drop multiplexer|
A reconfigurable optical device including input and output ports, and add or drop ports, has a high degree of flexibility such that any wavelength channel from any optical signal introduced through the add ports may be added to any of the optical signals transmitted through the output ports. In addition, any wavelength channel from any optical signal received through the inputs ports may be dropped through any of the drop ports.
|Compact multi-channel optical transceiver module|
A compact multi-channel optical may include a multi-channel transmitter optical subassembly (tosa), a multi-channel receiver optical subassembly (rosa) and a circuit board configured and arranged to fit within a relatively small space. The multi-channel rosa is spaced from the circuit board to allow circuit components to be mounted between the circuit board and the rosa.
|Statistical optical design enabled via twdm-pon|
An optical line terminal (olt) in a time and wavelength division multiplexed (twdm) passive optical network (pon). The olt comprises a first optical port, a second optical port, and a processor.
|Aligning and directly optically coupling photodetectors to optical demultiplexer outputs in a multichannel receiver optical subassembly|
A multi-channel receiver optical subassembly (rosa) such as an arrayed waveguide grating (awg), with outputs directly optically coupled to respective photodetectors such as photodiodes. In one embodiment, an awg may be configured such that optical components of the awg do not interfere with direct optical coupling, and the wire bonding points on the photodiodes may also be configured such that wire bonding does not interfere with direct optical coupling.
|Ethernet passive optical network over coaxial (epoc) system rate mechanism|
An ethernet passive optical network over coaxial (epoc) system rate mechanism. A network device is provided that includes a physical layer device (phy) that is configured for coupling to a coaxial cable, a medium independent interface that facilitates data transmission at 10 gbit/s or greater, and a reconciliation sublayer that is coupled to the phy via the medium independent interface.
|Method for processing data in an optical network element and optical network element|
A method for processing data in an optical network element is provided, wherein a multicarrier signal is linear pre-coded, and wherein the linear pre-coded signal is modulated. An according optical network element is also suggested..
|Reconfigurable optical access network architectures|
An apparatus comprising a first tunable transmitter array comprising a first tunable transmitter and a second tunable transmitter and a cyclic array waveguide grating (awg) wavelength router coupled to the first tunable transmitter array, wherein the cyclic awg wavelength router comprises a plurality of input ports and a plurality of output ports, wherein the cyclic awg wavelength router is configured to receive a first optical signal emitted from a first tunable transmitter via a first input port of the plurality of input ports, receive a second optical signal emitted from a second tunable transmitter via the first input port of the plurality of input ports, and route the first optical signal and the second optical signal to the output ports dependent on one or more wavelengths used to encode the first optical signal and the second optical signal.. .
|Optical switching architectures for nodes in wdm mesh and ring networks|
Switching architectures for wdm mesh and ring network nodes are presented. In mesh networks, the switching architectures have multiple levels—a network level having wavelength routers for add, drop and pass-through functions, an intermediate level having device units which handle add and drop signals, and a local level having port units for receiving signals dropped from the network and transmitting signals to be added to the network.
|Routing and bandwidth assignment for flexible grid wavelength switched optical networks|
Routing and bandwidth assignment of new paths of different bandwidths, occupying different numbers of adjacent frequency slots in a wavelength switched optical network, involves selecting a route, and assigning a set of adjacent frequency slots. The assignment can place wider bandwidth ones of the new paths at an opposite end of a spectrum of the available frequency slots, to an end where narrower bandwidth ones are placed.
A photodiode converts an optical signal output from a laser diode to a current signal, and a current-to-voltage conversion circuit converts the current signal to a voltage signal. A comparison amplifier compares the voltage signal with a reference voltage to control the current flowing from a variable current source and increases or decreases a bias current for driving the laser diode.
|Amortization of expensive optical components|
A laser system includes an array of lasers that emit light at a number of different, fixed wavelengths. A group of optical transport systems connect to the laser system.
|High-throughput network traffic monitoring through optical circuit switching and broadcast-and-select communications|
A network traffic collecting and monitoring system includes a traffic processing and dispatching module that pre-processes network traffic received from traffic tapping modules. A traffic collecting module receives and consolidates the network traffic and sends the network traffic to higher-layer applications.
|Compensation for an optical sensor via a printed circuit board|
Opto-electronic measuring arrangement which is largely independent of extraneous light, comprising emitted and compensation light sources, which emit light time-sequentially and in a phased manner, wherein the emitted light is phase-shifted respectively by 180°. An optical receiver receives the light emitted by the emitted light source and reflected by the object being measured together with the light from the compensation light source.
|Speed test throughput distribution|
A method may include determining a total data demand distribution for a plurality of subscribers associated with a link between a gateway router (gwr) and an optical line terminal (olt) in a network. The method also includes identifying a maximum link capacity of the link between the gwr and the olt.
|Method and system for common-mode-rejection-ratio (cmrr) characterization of an integrated coherent receiver|
There are provided a method and a system for characterizing the cmrr of an icr under test, which employ highly coherent light from two continuous-wave (cw) single-frequency lasers whose respective optical frequencies mutually differ by an offset defining an “intermediate frequency” (fif) in the rf electrical baseband. The method involves the coherent mixing of light from these two lasers in the icr under test.
|Process controller with integrated optical sensing|
The present disclosure relates generally to a process controller and more specifically to a process controller with integrated optical sensing.. .
|Systems and methods of optical path protection for distributed antenna systems|
Systems and methods for optical path protection for distributed antenna systems are provided. In one embodiment, a system comprises a hub and at least one node located remotely from the hub.
|Cooperative multi-point (comp) in a passive optical network (pon)|
A method for error detection within a passive optical network (pon), the method comprising receiving a first upstream optical signal that is copied at an optical splitter, converting the first upstream optical signal to a first electrical signal, receiving a second electrical signal that is converted from a second upstream optical signal that is copied at the optical splitter, and determining a corrected transmitted data stream using at least the first electrical signal and the second electrical signal, wherein the first upstream optical signal and the second upstream optical signal are copies of an upstream optical signal generated from a plurality of optical network units (onus).. .
|Camera system and focus detecting method|
A camera system according to the present invention, comprising: an interchangeable lens comprising: a zoom position detecting section configured to detect a zoom position corresponding to a focal length of the photographing optical system; and a lens control section configured to input the zoom position and transmit it to the camera body, and a camera body comprising: a body control section configured to communicate with the lens control section, a focus detecting section configured to detect an in-focus position of a focus lens included in the photographing optical system, and a zoom position memory section configured to memorize the zoom position which is transmitted from the lens control section and received by the body control section, wherein when transmitting the in-focus position to the lens control section, the body control section transmits the memory zoom position memorized in the zoom position memory section to the lens control section.. .
|Diffuser for lamp heating assembly|
Embodiments of the present disclosure generally relate to optically transparent windows and processing chambers including the same. The optically transparent window includes light-diffusing structures formed thereon.
|Optical fiber coating compositions with non-curable reinforcing agents|
A coating composition including a reinforcing agent. The coating composition may include one or more radiation-curable monofunctional monomers, one or more radiation-curable multifunctional monomers or oligomers, a photoinitiator, and a reinforcing agent.
|Low cost, fast curing optical fiber coatings|
A low cost composition that cures rapidly and which is suitable for coating an optical fiber comprises at least one ethylenically unsaturated monomer; at least one photoinitiator; and at least one non-radiation-curable polar polymer having pendent groups that facilitate low energy chemical bonding, hydrogen bonding, dipolar interactions or other interactions with radical compounds formed during polymerization of the monomer. The non-radiation-curable polar polymer(s) are inexpensive and reduce and/or eliminate the need for expensive urethane acrylate oligomers, without sacrificing properties, and while achieving rapid cure speeds..
|Multimode optical fibre|
The invention relates to a multimode optical fibre having a refractive index profile, comprising a light-guiding core surrounded by one or more cladding layers. The present invention furthermore relates to an optical communication system comprising a transmitter, a receiver and a multimode optical fibre..
|Monolithic polymer optical fiber ribbon|
The present disclosure includes an optical fiber ribbon, using polymer optical fibers and an extremely thin adhesive coating to provide adhesion between the fibers. The external surfaces of the optical fiber ribbons are precisely placed with respect to the optical cores of the constituent fibers, and the optical cores of the fibers are precisely placed with respect to each other.
|Plastic optical fiber cable|
Provided is a plastic optical fiber cable including a plastic optical fiber 12 comprising of a core 11a and a cladding 11b, and a jacketing layer covering the plastic optical fiber 12, in which the jacketing layer includes at least two layers of an inner layer 13 and an outer layer 14, the inner layer 13 is formed of a resin comprising of a copolymer of ethylene and a (meth)acrylic compound, and the outer layer 14 is formed of a fluorine-based resin. A plastic optical fiber cable excellent in flame retardance, appearance, and processability at the time of use is obtained from the plastic optical fiber cable described above..
|Electrical cable with optical fiber|
An electrical cable includes a cable jacket extending a length and having an internal passageway that extends along the length of the cable jacket. Twisted pairs of insulated electrical conductors extend within the internal passageway along the length of the cable jacket.
|Active optical cable assembly including optical fiber movement control|
A plug connector for connecting optical fibers to an electrical receptacle connector includes a housing defining a cavity therein. At least one printed circuit board (pcb) is disposed in the housing cavity.
|Hdmi signals transmission device|
An hdmi signals transmission device includes a first hdmi connector, a second hdmi connector, a first cable, a second cable, and an optical fiber connector assembly. One end of the first cable is electrically connected to the first hdmi connector.
An optical connector includes: a housing which houses a ferrule connected to an optical fiber cable; a crimping sleeve housed in the housing and including a tubular portion in which the optical fiber is passed through and which is led out from an opening of the housing; a crimping member fixing a sheath, covering the tubular portion, of the optical fiber cable; and a boot including a protecting portion covering the optical fiber cable and the crimping member, and including a flange portion being continuous to the protecting portion and covering the opening of the housing. A neck portion of a t-shaped protrusion, protruded from the flange portion toward an interior of the housing, is inserted into a boot engagement notch, which is formed in an outer portion of the crimping sleeve and an open end of which is closed by an inner surface of the housing..
|Cable termination assembly and method for connectors|
The present disclosure relates to a fiber optic connector assembly having a fiber optic connector including a main connector body and a rear insert secured within a rear cable termination end of the main connector body. The fiber optic connector assembly has a fiber optic cable that includes an optical fiber, a strength layer and an outer jacket.
|Connector with interface protection|
An optical fiber assembly includes a housing with a mating face and a housing axis. A ferrule has a plurality of optical fibers positioned therein.
|Polarity configurations for parallel optics data transmission, and related apparatuses, components, systems, and methods|
Fiber optic connection assemblies for rearranging sets of fiber optic signals arranged in one parallel optical configuration into one or more different parallel optical configurations are disclosed. In one arrangement, two (2) data transmission pairs are connected between one multi-fiber connector from each of two connector sets in a first parallel optical configuration using a common set of fiber positions for each multi-fiber connector.
A lens module includes a front lens unit and a bottom lens unit. The front lens unit includes a number of first lenses having parallel optical axes.
|Optical-electric coupling element and optical connector using same|
An optical-electric coupling element includes a lower surface, an upper surface, and a first side surface. The lower surface defines a first cavity.
|Plastic optical fiber data communication links|
Plastic optical fiber data communication links. Particularly, plastic optical fiber data communication links for embedded applications.
|Optical interconnect for rolling slip rings|
In one embodiment, a rolling slip ring structure is disclosed incorporating coupled optical waveguides that provide an optical signal pathway through at least three coplanar optical waveguide rings. The inner, outer and center rings of the rolling slip ring structure are configured such that any or all of the rings can rotate about a central axis perpendicular to the plane of the rings and at the center of the inner and outer optical waveguide rings.
|Optical cross-connect switch with configurable optical input/output ports|
An optical cross-connect switch having a fiber collimator array (fca), a mems mirror array, and a folded 4f relay system. Each optical fiber in the fca can work as an input fiber or an output fiber.
|Semiconductor substrate for photonic and electronic structures and method of manufacture|
A method of forming a substrate with isolation areas suitable for integration of electronic and photonic devices is provided. A common reticle and photolithographic technique is used to fabricate a mask defining openings for etching first and second trench isolation areas in a substrate, with the openings for the second trench isolation areas being wider than the openings for the first trench isolation areas.
|Optical communication device|
An optical communication device includes a planar optical waveguide, a circuit board, a light emitting element, and a light receiving element. The circuit board includes a mounting surface.
|Time delay compensation for optical waveguides using a bidirectional wavelength scan|
Methods and apparatus for accurately determining wavelength by compensating a time delay using a bidirectional wavelength scan are provided. One example method generally includes introducing first wavelength-swept light into an optical waveguide according to a first sweep function having a first wavelength sweep direction; interrogating one or more optical elements, having characteristic wavelengths, with the first wavelength-swept light to produce a first set of optical signals, wherein the optical elements are disposed along the optical waveguide; introducing second wavelength-swept light into the optical waveguide according to a second sweep function having a second wavelength sweep direction, wherein the second wavelength sweep direction is opposite the first wavelength sweep direction; interrogating the optical elements with the second wavelength-swept light to produce a second set of optical signals; and determining a parameter associated with at least one of the optical elements based on the first and second sets of optical signals..
|Dual static electro-optical phase shifter having two control terminals|
A semiconductor electro-optical phase shifter comprises a central zone (i1, i2) having a minimum doping level; first and second lateral zones (n+, p+) flanking the central zone along a first axis, respectively n and p-doped, so as to form a p-i-n junction between the first and second lateral zones. The central zone comprises first and second optical action zones (i1, i2) separated along the first axis.
|Static electro-optical phase shifter having a dual pin junction|
A semiconductor electro-optical phase shifter may include a first optical action zone having a minimum doping level, a first lateral zone and a central zone flanking the first optical action zone along a first axis, doped respectively at first and second conductivity types so as to form a p-i-n junction between the first lateral zone and the central zone. The phase shifter may include a second optical action zone having a threshold doping level, and a second lateral zone flanking the second optical action zone with the central zone along the first axis doped at the first conductivity type so as to form a p-i-n junction between the second lateral zone and the central zone..
|Ultra-responsive phase shifters for depletion mode silicon modulators|
A novel phase shifter design for carrier depletion based silicon modulators, based on an experimentally validated model, is described. It is believed that the heretofore neglected effect of incomplete ionization will have a significant impact on ultra-responsive phase shifters.
|Optical modulator and optical module including the same|
Provided are an optical modulator modulating optical signals and an optical module including the same. The optical modulator includes a lower clad layer, an optical transmission line extended in a first direction on the lower clad layer, and an upper clad layer on the optical transmission line and the lower clad layer.
|Method and apparatus for automated placement of scanned laser capsulorhexis incisions|
Systems and methods are described for cataract intervention. In one embodiment a system comprises a laser source configured to produce a treatment beam comprising a plurality of laser pulses; an integrated optical system comprising an imaging assembly operatively coupled to a treatment laser delivery assembly such that they share at least one common optical element, the integrated optical system being configured to acquire image information pertinent to one or more targeted tissue structures and direct the treatment beam in a 3-dimensional pattern to cause breakdown in at least one of the targeted tissue structures; and a controller operatively coupled to the laser source and integrated optical system, and configured to adjust the laser beam and treatment pattern based upon the image information, and distinguish two or more anatomical structures of the eye based at least in part upon a robust least squares fit analysis of the image information..
|Displacement detecting apparatus for railroad rails|
A displacement detecting apparatus is provided with a self-position detector for detecting a position and an orientation of the apparatus relative to a preset reference position and a preset reference orientation. Displacement of a rail at an upper surface reference point and a side surface reference point relative to a preset reference position is calculated from imaged image data of the surfaces of the rail using an optical cutting method, and the calculated displacement of the rail is corrected using data obtained from the self-position detector, thereby compensating for errors caused by differences in position and orientation of the apparatus associated with a vehicle running motion.
|Passable security inspection system for person|
The present invention discloses a through-type of millimetre wave person body security inspection system, wherein a person to be inspected passes through an inspect passage therein for performing a security inspection. The through-type of millimetre wave person body security inspection system provided in accordance with the present invention can make a total body dynamic scanning to the person to be inspected, and obtain millimetre wave images and optical images with respect to the person body, thereby achieving the inspection of prohibited articles hidden within clothing of the person body and an automatic alarm thereof..
|Combining multi-sensory inputs for digital animation|
Animating digital characters based on motion captured performances, including: receiving sensory data collected using a variety of collection techniques including optical video, electro-oculography, and at least one of optical, infrared, and inertial motion capture; and managing and combining the collected sensory data to aid cleaning, tracking, labeling, and re-targeting processes. Keywords include optical video data and inertial motion capture..
|Optically clear diaphragm for an acoustic transducer and method for making same|
The present disclosure relates to a diaphragm that may be used with a mechanical-to-acoustical transducer. The diaphragm may include a layer of optically clear film, a damping layer and another layer of optically clear film.
|Medical imaging system and method for providing an x-ray image|
An x-ray imaging system comprises an x-ray tube (6), a ceiling suspension (2) for the x-ray tube, a detector trolley (12) with an x-ray detector (10) mounted thereon, an active sensor matrix (24), an optical indication unit (20) and a control unit (26). The active sensor matrix (24) is fixedly mounted on the ceiling suspension (2), the optical indication unit (20) is fixedly mounted to the detector trolley (12) and is adapted for emitting an optical indication (22) onto the active sensor matrix (24).
|Amplifier, laser apparatus, and extreme ultraviolet light generation system|
An amplifier may include a plurality of discharge tubes arranged in a designed path of a seed laser beam and an optical system arranged to steer the seed laser beam to travel along the designed path.. .
|Vertical cavity surface emitting laser|
A vertical cavity surface emitting laser includes an active layer that includes a quantum well, a first cladding layer and a second cladding layer between which the active layer is interposed. A first multilayer reflector layer is arranged on a side of the first cladding layer opposite to that on which the active layer is arranged.
|On-chip electrically pumped optical parametric source|
A tuneable laser source includes a first confinement layer forming a bragg reflector for a pump wave; an active layer made of non-linear semiconducting material, the refraction index of the active layer being greater than the refraction index of the first confinement layer; a second confinement layer, the refraction index of the second confinement layer being less than the refraction index of the active layer; a base with a first width; and a ribbon with a second width less than the first width. The second width is less than 10 μm; the active layer includes at least one plane of quantum boxes capable of emitting a pump wave and the ribbon includes at least the part of the active layer including the quantum boxes plane and the second confinement layer..
A fiber laser includes: an amplification optical fiber; a pumping light source configured to emit pumping light to pump the active element of the amplification optical fiber; a first mirror provided on one side of the amplification optical fiber; and a second mirror provided on the other side of the amplification optical fiber. When an optical loss between the first mirror and the second mirror is equal to an optical gain in the amplification optical fiber, a difference between a gain of light having a wavelength at which a gain becomes maximum and a gain of light having a wavelength reflected off the first mirror and the second mirror is 35 db or less in the amplification optical fiber..
A fiber laser having a ring resonance path comprises a pump light source, a yb-doped optical fiber and a light modulation unit. The pump light source emits a pump light.
|Method and apparatuses for algorithm on qam coherent optical detection|
Blind polarization demultiplexing algorithms based on complex independent component analysis (ica) by negentropy maximization for quadrature amplitude modulation (qam) coherent optical systems are disclosed. The polarization demultiplexing is achieved by maximizing the signal's non-gaussianity measured by the information theoretic quantity of negentropy.
|Image archive disc|
Method and apparatus for storing archive images to a substrate, such as a rotatable optical disc. In some embodiments, the substrate stores a plurality of archived images in a human detectable form on a surface of the substrate and further stores control data associated with the archived images to facilitate optical recovery of said human detectable images from the surface..
|Optical information device, cross-talk reduction method, computer, player, and recorder|
A ratio xm of an information item recorded on an adjacent track relative to an information item recorded on a main track included in a first signal obtained from a first light flux having passed through a center region (6c) is different from ratios xs1 and xs2 of the information items recorded on the adjacent track relative to the information items recorded on the main track included in second and third signals obtained from second and third light fluxes having passed through first and second end regions (6r, 6l), and a ratio of respective gains of a first waveform equalizer (80c), a second waveform equalizer (80r), and a third waveform equalizer (80l) is determined so as to cancel the information item recorded on the adjacent track in each of frequency components of the first signal, the second signal, and the third signal.. .
|Information reproducing appparatus and information reproducing method|
An information reproducing apparatus includes a photodetector (200a) divided by a dividing line parallel to a recording track scanning direction into a first light-receiving section (202, 203) that receives reflected light of a center section of a recording track and a second light-receiving section (201, 204) that receives reflected light of a portion adjacent, in a radial direction of an optical disc, with respect to the center section, a first adaptive equalization filter (107) that performs waveform equalization of an output signal from the first light-receiving section (202, 203), a second adaptive equalization filter (120) that performs waveform equalization of an output signal from the second light-receiving section (201, 204), and a data decoder (108) that decodes reproduction data based on an output waveform from the first adaptive equalization filter (107) and an output waveform from the second adaptive equalization filter (120).. .