|| List of recent Optical Fiber-related patents
|System and method for network synchronization and frequency dissemination|
Distribution of reference frequency and timing information in a network involves determining latency between a first and second node from time delay between transmission of a reference frequency and timing signal and reception of an optical return timing signal in response. In a network with pairs of first and second optical fibers in optical fiber connections between network nodes, for transmission of optical data signals separately in mutually opposite directions between the network nodes respectively, provisions are made to transmit the reference frequency and timing signal and the resulting optical return signal via the same fiber, one in the same direction as the unidirectional data signal over that fiber and the other upstream.
|Mode multiplexing optical communication system|
An optical communication system is disclosed. The optical communication system comprises an optical transmitter and a substantially circular multi-mode optical fiber.
Provided is an optical fiber which is provided with heat resistance and productivity and in which a transmission loss is suppressed even in a high-temperature environment. It has, on an outer periphery of a glass fiber composed of a core part and a cladding part, a coating layer made by crosslinking an energy-curable resin composition containing a silicon compound, in which the silicon compound contained in the energy-curable resin composition of the coating layer as an outermost layer has a specified structure having a cyclic silicone site having an epoxy group and a linear silicone site, with the content of the cyclic silicone site in the compound being from 10 to 30% by mass..
|Multi-core fiber and method of positioning of core of multi-core fiber|
A multi-core fiber for accommodating multiple single mode cores in one optical fiber is provided with multiple types of non-identical cores having different propagation constants. Each of the multiple types of non-identical cores includes a core part and a cladding part covering an outer periphery of the core part.
|Fiber optic ribbon cable|
A fiber optic ribbon cable includes a stack of fiber optic ribbons, strength members surrounding the stack, and a jacket defining an exterior of the cable. The jacket forms a cavity through which the stack and the strength members extend.
|Multifiber subunit cable|
Micromodule subunit cables are constructed to allow for ease of identification between optical fibers in differing groups of optical fibers. In one cable, a first group of fibers is located within a first subunit while a second group of fibers is located within a second subunit, both subunits being enclosed in a cable jacket..
|Telecommunications cable inlet device|
The present invention relates to an inlet device for inserting a plurality of cables containing optical fibers, copper wires or coax cable into port of a telecommunications enclosure. In particular, the exemplary inlet device includes a breakout portion that can be connected to a conduit carrying at least one of the cables to enter the enclosure.
|Fiber optic connector holder and method|
A fiber optic connector holder is sized to fit within an opening for mounting a fiber optic adapter. The fiber optic connector holder is configured to permit a fiber optic connector with a dust cap positioned about a ferrule and a polished end face of an optical fiber held by the ferrule to be inserted within and releasably held by the connector holder.
|Photoelectric conversion device and optical fiber coupling connector|
A photoelectric conversion device includes a circuit board, light-emitting modules arranged on the circuit board in a first straight line, light-receiving modules arranged on the circuit board in a second straight line, and an optical coupling module. The optical coupling module includes a first optical surface, a second optical surface perpendicular to the first optical surface, a reflecting surface obliquely relative to the first and second optical surfaces, first converging lenses arranged on the first optical surface in a third straight line, second converging lenses arranged on the first optical surface in a fourth straight line, third converging lenses arranged on the second optical surface in a fifth straight line, and fourth converging lenses arranged on the second optical surface in a sixth straight line.
|Photoelectric coupling module|
A photoelectric coupling module includes a holding module and a lens module. The holding module includes a base defining a receiving recess and a cover having a protruding portion.
|Optical connector with high light-coupling efficiency|
An optical connector includes a printed circuit board, a photoelectric element positioned on and electrically connected to the printed circuit board, a lens element, and an optical fiber. The lens element defines a cutout having a sidewall and a blind hole in the sidewall.
|Fiber optic cable with increased directional sensitivity|
A distributed acoustic sensor, comprises a housing having a longitudinal bore therethrough, an optical fiber supported in the bore; and an inertial member supported within the bore, wherein the fiber is mechanically coupled to the inertial member. The inertial member may include a weight and may provides isotropic stiffness such that it deforms more readily in a first direction normal to the bore than it does in a second direction that is normal to both the bore and the first direction.
|Temperature sensing arrangement, method of making the same and method of sensing temperature|
A temperature sensing arrangement includes a member having a first coefficient of thermal expansion, and an optical fiber having a second coefficient of thermal expansion. The optical fiber is strain transmissively mounted to the member.
|Light diffusing optical fiber bundles, illumination systems including light diffusing optical fiber bundles, and methods of affixing light diffusing optical fiber bundles to polymer optical fibers|
Light diffusing optical fiber bundles, illumination systems including light diffusing optical fiber bundles, and methods of affixing light diffusing optical fiber bundles to polymer optical fibers are disclosed. A light diffusing optical fiber bundle includes an optically transmissive jacket and a plurality of light diffusing optical fibers disposed within the optically transmissive jacket.
|Light projector and sensor|
A light projector has a light emitting device having a light emitting surface, an optical fiber having an incident end-face to which light emitted from the light emitting surface enters, and a lens arranged between the light emitting surface of the light emitting device and the incident end-face of the optical fiber. The light emitting device, the optical fiber and the lens are arranged on one optical axis.
|Light module for a motor vehicle headlamp, configured to generate a stripe-shaped light distribution|
A light module for a motor vehicle headlamp having an optical fiber configuration with at least one first optical fiber branch and one second optical fiber branch. Each of the two branches has a light exit surface each bordered by two narrow sides and disposed such that a narrow side of the first branch is disposed parallel and directly adjacent to a narrow side of the light exit surface of the second branch.
|Method and apparatus for producing fiber optic gyroscope sensing coil using b-stage adhesive coated optical fiber|
An optical fiber with a b-stageable hybrid adhesive coating includes an optical fiber and an outer jacket. The outer jacket includes at least one layer that includes a partially cured b-stageable hybrid adhesive..
|Stablized pump laser with output reflector on polarizing optical fiber|
A laser apparatus comprises a pump laser device, and a polarizing optical fiber having a proximal end and a distal end, with the polarizing optical fiber coupled to the pump laser device at the proximal end. At least one output reflector is written on the polarizing optical fiber toward the distal end.
|Bi-directional multi-pulsewidth optical time-domain reflectometer|
There is provided a bi-directional optical reflectometric method for characterizing an optical fiber link. The method comprises: performing a plurality of forward-direction light acquisitions from one end of the optical fiber link and performing a plurality of backward-direction light acquisitions from the opposite end, wherein each light acquisition is performed by propagating at least one test light signal corresponding to given spatial resolution and detecting corresponding return light so as to obtain a reflectometric trace representing backscattered and reflected light as a function of a distance on the optical fiber link, and wherein said plurality of forward-direction light acquisitions and said plurality of backward-direction light acquisitions are each performed with mutually different spatial resolutions; and deriving a value of at least one parameter characterizing an event along said optical fiber link at least using a forward-direction light acquisition and a backward-direction light acquisition performed with mutually different spatial resolutions..
|Optical cable connector|
Methods, systems, and devices are disclosed for interconnecting two optical fibers using a protective insert, wherein the protective insert includes a connective segment that provides optical communication connection between the two optical fibers. Furthermore the protective insert includes two attachment mechanisms adjacent to the connective segment with each of the two attachment mechanisms adapted to removably attach one of the two optical fibers to the connective segment.
|System for distributed blood flow measurement|
A medical system for minimally-invasive measurement of blood flow in an artery (at). An interventional device (ivd) with an optical fiber (fb) comprising a plurality of temperature-sensitive optical sensor segments, e.g.
|Endoscope apparatus and treatment apparatus|
An endoscope apparatus includes: a laser light source that generates laser light; an optical fiber that guides laser light inputted to a proximal end and applies the laser light to a subject from a distal end; an actuator swinging a distal end portion of the optical fiber; the conductive wire provided in close contact with the optical fiber, and connected to the actuator; a signal generator that generates a drive signal for driving the actuator, the drive signal being conducted by the conductive wire; a detection circuit that detects a current flowing in the conductive wire when the signal generator generates the drive signal, and detects that the conductive wire is broken, based on the detected current value; and a controller that controls an amount of illuminating light based on a result of determination of whether or not the conductive wire is broken in the detection circuit.. .
|Scanning endoscope apparatus|
A scanning endoscope apparatus includes a light source section that emits illumination light, an optical fiber that irradiates the illumination light from a distal end to a subject with directivity, a drive element and a scanning drive section that perform scanning by the distal end of the optical fiber, a first light detection section that detects light from a direction of the distal end of the optical fiber, a second light detection section that detects light from an entire scanning range, and an image processing section that forms image information to be outputted to a display section based on a result of addition of a detection result corresponding to an external factor light component in a first light detection result and a second light detection result.. .
|Bus-based optical network system|
A bus-based optical network system comprising optical fibers, optical line terminals (olts), and a plurality of optical network units (onus) is revealed. The olt consists of the near part (oltn) and the far part (oltf).
|System for testing passive optical lines|
An optical splitter assembly including a splitter housing, a passive optical power splitter positioned within the splitter housing and a plurality of splitter output pigtails that extend outwardly from the splitter housing. Each of the splitter output pigtails including an optical fiber structure having a first end optically coupled to the passive optical power splitter and a second end on which a fiber optic connector is mounted.
A fan-out subassembly includes furcation modules mounted to a furcation module holder, which is adapted to be connected to a main component. The furcation module holder includes a cable anchoring location.
|Fiber management tray with restricted access region|
A fiber management tray (20) is disclosed. The fiber management tray (20) includes a tray body (22) defining a fiber storage region (24) for storing excess optical fiber length (26).
|Triple-sheathed monomode optical fiber|
According to the invention, the intermediate sheath (13) is formed by assembling longitudinal elements (13a) and includes: a first optical material, the refractive index of which differs from the refractive index of the monomode core by at most 10−3; and a second optical material, the refractive index of which is lower than the refractive index of said monomode core and differs therefrom by at least 10−3.. .
|Fiber optic distribution cables and structures therefor|
Fiber optic distribution cables and methods for manufacturing the same are disclosed. The fiber optic distribution cables present one or more optical fibers outward of the protective covering for distribution of the same toward the subscriber.
|Pressure resistant media converter apparatus|
A hermetically sealed media converter apparatus configured to operate in harsh high-pressure differential environments, such as deep marine environments, and oil and gas. A hermetically sealed media converter apparatus is provided having a vessel forming an inner chamber that is hermitically sealed from surrounding ambient environment outside the vessel.
|Optical connector having a plurality of optical fibres with staggered cleaved ends coupled to associated microlenses|
The disclosure generally relates to sets of optical waveguides such as optical fiber ribbons, and fiber optic connectors useful for connecting multiple optical fibers to other optical fibres or optical devices. In particular, the disclosure provides an efficient, compact and reliable optical fiber connector (100) that incorporates an optically transmissive substrate (120) receiving the optical fibers (132) in v-grooves on a first major surface thereof with their angle cleaved ends (126) arranged in a staggered arrangement so as to redirect light to an associated microlens (128) at the opposite surface of the transparent substrate (120)..
|Cable assembly with electrical-optical hybrid cable|
A cable assembly comprises: an insulative housing; a plurality of contacts received into the insulative housing; a printed circuit board located behind the insulative housing and electrically connected with the plurality of contacts; a metallic shell enclosing the insulative housing and the printed circuit board; an insulative shell enclosing a rear portion of the metallic shell; and a cable having a plurality of optical fibers coupled to a top surface of the printed circuit board and a plurality of copper wires electrically connected to a bottom surface of the printed circuit board.. .
|Ferrule assembly with integral latch|
An optical fiber assembly includes a ferrule body with a plurality of optical fibers positioned therein. The assembly may include a beam expanding element adjacent the front face of the ferrule body with a lens array aligned with the optical fibers.
|Fiber optic connector assemblies having windowed optical fibers and methods thereof|
Fiber optic connector assemblies and method for assembling the same are disclosed. In one embodiment, a fiber optic connector assembly includes an optical fiber having an inner glass region, a polymer layer surrounding the inner glass region, and a windowed portion, wherein the inner glass region is exposed at the windowed portion.
|Optical mover with functions of nanometer fine adjustment and micrometer coarse adjustment|
An optical mover with functions of nanometer fine adjustment and micrometer coarse adjustment is mainly used to align two optical elements for connecting two optical elements, such as connection of two optical fibers, connection of one optical fiber with a photo diode, or connection of one optical fiber and one optical waveguide. In using, one optical element is placed upon the supporting seat for fine position adjustment, and another optical element is fixed on an external retainer for aligning to the former optical element on the supporting seat.
|Optical substrate having a plurality of staggered light redirecting features on a major surface thereof|
The disclosure generally relates to sets of optical waveguides such as optical fiber ribbons, and fiber optic connectors useful for connecting multiple optical fibers. In particular, the disclosure provides an efficient, compact, and reliable optical fiber connector that incorporates a unitary substrate comprising a plurality of staggered light redirecting features on an input surface there of directing incoming light from optical fibres through the substrate towards optical elements to be coupled with..
The present invention provides a backlight module which contains a collection device for collecting sunlight, an optical fiber cable, at least a light guide device connecting the collection device through the optical fiber cable, and a diffusion device and an optical member fixed at a distance from a side of each light guide device. Sunlight is collected by the collection device and is introduced into each light guide device; and each light guide device then guides and projects the collected sunlight onto the diffusion device and the optical member sequentially.
|Selective uv curing of epoxy adjacent to optical fibers by transmitting uv energy through the fiber cladding|
A method and system for affixing multi-core fiber (mcf) within a ferrule includes a uv light source and a light guide. Mcfs are placed into epoxy filled holders, e.g., channels or v-grooves, of a ferrule.
|Manufacture of bend insensitive multimode optical fiber|
A method of assembling a preform for a bend-insensitive multimode optical fiber (bimmf), includes providing a multimode core rod, a glass overclad tube, and a trench tube of down-doped quartz glass with a depressed refractive index sufficient to obtain a desired trench depth in a refractive index (ri) profile of a drawn fiber. The core rod is placed inside the trench tube, and the trench tube and the core rod are placed inside the overclad tube to define the preform.
|Mold for fabricating optical fiber connector|
A mold for fabricating an optical fiber connector includes a first plate-shaped core with a first forming surface, a second plate-shaped core with a second forming surface, and a female mold. The female mold includes a first surface and a second surface.
|Secure data transmission via spatially multiplexed optical signals|
Various embodiments provide secure optical transmission of data. Noise may be added to optical signals transmitted by spatial paths of a multimode optical fiber.
|Optical fibers with varied mode-dependent loss|
Various embodiments provide for detection of tapping of an optical signal. In one embodiment an optical fiber includes a cladding region and first and second core regions.
|Testing of transmitters for communication links by software simulation of reference channel and/or reference receiver|
A transmitter for a communications link is tested by using a (software) simulation of a reference channel and/or a reference receiver to test the transmitter. In one embodiment for optical fiber communications links, a data test pattern is applied to the transmitter under test and the resulting optical output is captured, for example by a sampling oscilloscope.
|Apparatus for modular implementation of multi-function active optical cables|
Apparatus enabling modular implementation of active optical cable (aoc) with multiple integrated functions including: integration of different types of data on the aoc via media conversion; distribution of electrical power over the aoc; electrical multiplexing data channels for optical fibers; integration of voltage regulators enabling aoc operation at different supply voltages; integration of voltage regulators to provide stable, low noise power source; ruggedized, blind-mateable electrical connectors; integration of electronics and optoelectronics inside a connector backshell; implementation of health monitoring and test channel enabling monitoring, test, and control of both ends of the aoc and monitoring and control of upstream systems and components; and enabling a form, fit, function replacement of existing electrical cables to improve swap, electromagnetic interference resiliency, length-bandwidth product, electromagnetic pulse resistance, signal integrity, system reliability, testability and maintenance. Aocs are customized for different connectors, pin-outs, electrical data combinations, power distribution and power supplies with minimal redesign/requalification..
|Optical communication system, device and method for data processing in an optical network|
An optical communication system, a method and a network device for an optical network are provided, wherein the device comprises a first port coupled with a first optical fiber link, a second port coupled with a second optical fiber link, the first port and the second port being configured to be coupled with respect to each other in case of a failure of the first optical fiber link or in case of a failure of the second optical fiber link. .
|Protection cap assembly for protecting optical fiber connector assembly|
The disclosure relates to a protection cap assembly for protecting an optical fiber connector assembly. The optical fiber connector assembly includes a first shell and a second shell.
|Method and apparatus for fixing strained optical fibers against creep and temperature and strain sensors using said technology|
Optical fiber anchors accomplishing low creep confinement or fixing of a section of optical fiber in an assembly compact enough to be used conveniently as an anchor or as an enabling part of a strain or temperature sensor while retaining low optical losses and the original buffer coating to prevent the fiber from being exposed to abrasion and other influences that could lead to breakage. A rigid body is used that is mechanically stiff and hard enough to prevent the fiber from cutting into it or distorting the medium or substrate when subjected to stress, even over a long period of years.
|Bending insensitive single mode optical fiber|
In one aspect of the invention, the bend insensitive single-mode optical fiber includes a core layer and cladding layers having an inner cladding layer, a trench cladding layer and an outer cladding layer sequentially formed surrounding the core layer from inside to outside. For the core layer, the diameter is 7-7.9 μm, and the relative refractive index difference Δ1 is between 4.6×10−3 and 6.5×10−3.
|Optical fiber securing device|
An optical fiber securing device may include a passage, an epoxy well, an epoxy path, an optical fiber seat, and a protrusion. The passage may have an entrance and an exit, the passage configured to receive therein an optical fiber inserted through the entrance.
|Optical fiber connector|
An optical fiber connector for positioning a number of optical fibers is provided. The optical fiber connector includes an assembling portion and a number of guiding blocks protruding from the assembling portion.
|Photoelectric conversion device and optical fiber coupling connector|
A photoelectric conversion device includes a circuit board, light emitting modules, light receiving modules, and an optical coupling lens. The light emitting modules and the light receiving modules are mounted on the circuit board.
|Lensed ferrule assembly with thermal expansion compensation|
An optical fiber assembly includes a ferrule body with a plurality of optical fibers. An end face of each optical fiber extends past the front face of the ferrule body.
|Gradient index (grin) lens holders employing a recessed cover, and optical connectors and methods incorporating the same|
Gradient index (grin) lens holders employing groove alignment feature(s) and a recessed cover, as well as optical connectors and methods employing such grin lens holders, are disclosed. In one embodiment, the grin lens holder contains one or more internal groove alignment features configured to secure one or more grin lenses in the grin lens holder.
|Optical connector having high coupling precision|
An optical connector includes a jumper, optical fibers and an optical-electric coupling element. The jumper includes a lower surface and an upper surface.
|Apparatus providing simplified alignment of optical fiber in photonic integrated circuits|
A structure for optically aligning an optical fiber to a photonic device and method of fabrication of same. The structure optically aligns an optical fiber to the photonic device using a lens between the two which is moveable by actuator heads.
|Spatially stable high brightness fiber|
Optical fibers that provide stable output beam sizes have core refractive indices that decrease non-monotonically from a core center to a core/cladding interface. A maximum refractive index of the core is situated at a radius of between about ½ and ¾ of the core radius so that a core center has a depressed refractive index.
|Pulsed bias current for gain switched semiconductor lasers for amplified spontaneous emission reduction|
Gain switched laser diode pulses are used as seed pulses for optical pulse generation. Ase is reduced by applying a prebias to the laser diodes at an amplitude less than that associated with a laser diode threshold.
|Backlight module and display apparatus|
The present invention provides a backlight module and a display apparatus. The display apparatus comprises the backlight module and a display panel.
|Multi-wavelength light source apparatus|
The present invention discloses a multi-wavelength light source apparatus. The multi-wavelength light source apparatus includes: a pump light source, configured to provide pump light; an erbium-doped optical fiber, configured to absorb energy of the pump light and emit wide-spectrum laser light; and an optical fiber, configured to filter the wide-spectrum laser light and output a multi-wavelength optical signal in a free spectral range of the optical filter, where the multi-wavelength optical signal is incident on the erbium-doped optical fiber, and the erbium-doped optical fiber is further configured to re-amplify and output the incident multi-wavelength optical signal.
|Despeckling red laser light|
A method of despeckling light that includes mixing high-speckle far-red laser light with low-speckle green laser light in amounts selected to achieve a desired color point in a digital image. The far-red laser light may be red laser diodes with wavelengths in the range of 640 to 680 nm.
|Optical interferometric apparatus|
An optical interferometric apparatus comprises a light source emitting a coherent light, a polarizing beam-splitting element splitting the light into a first light and second light which travel along an optical fiber element and then are combined. Then, a beam-splitting element split the combined light into a third light and a fourth light, and a first phase-modulation element and a second phase-modulation element respectively are disposed on the optical paths of the third and fourth lights.
|Long-distance polarization and phase-sensitive optical time-domain reflectometry based on random laser amplification|
A long-distance polarization and phase-sensitive reflectometry based on random laser amplification for extending a sensing distance includes a long-distance polarization and phase-sensitive reflectometry of a distributed raman amplification based on optical fiber random lasers generated by unilateral pumps, a long-distance polarization and phase-sensitive reflectometry of a distributed raman amplification based on optical fiber random lasers generated by bilateral pumps, and a long-distance polarization and phase-sensitive reflectometry of a raman amplification based on a combination of optical fiber random lasers generated by unilateral pumps and a common raman pump source, which are applied in optical fiber perturbation sensing and have a capability of greatly improving a working distance of a sensing system and a high practicability.. .
|Tethered payload system and method|
A vehicle, especially a maritime vessel, is provided with an autogyro drawn by a tether. The tether contains mechanical strengthening components that enable it to securely retain the autogyro to the vehicle.
A laser welder controls a focus and direction of a laser beam received from a laser oscillator through optical fiber and radiating the controlled laser beam. The laser welder may include a housing; a beam transmission unit expanding a beam size and simultaneously switching direction of the laser beam; a first radiation unit switching direction of the laser beam by reflecting part of the laser beam through a slot mirror and simultaneously reducing the beam size within the housing, thus forming a focus in a first welding unit through a first beam port; and a second radiation unit expanding and reducing a remainder of the laser beam received through the slot mirror of the first radiation unit and simultaneously switching a direction of the remainder, thus forming a focus in a second welding unit through a second beam port..
|Eye alignment assembly|
A bow sight with at least one sight pin mounted to a frame assembly. At least one optical fiber is attached to the sight pin.
|Handpiece for laser treatment device|
Provided is a handpiece of a laser treatment device which can restrict a temperature rise of body tissues in a path from an irradiation portion to a target region more effectively than in the related art. The handpiece 10 includes an optical fiber 16 which guides laser light emitted from a pulse light source, and a revolving holder which holds a tip portion 64 of the optical fiber 16 such that the tip portion 64 is tilted with respect to a rotational axis c0 to direct an optical axis c1 of the laser light towards a target point p located on the rotational axis c0 and revolves the tip portion 64 of the optical fiber 16 about the rotational axis c0.
|Scanning endoscopic imaging probes and related methods|
An injection device with integrated imaging capability may include a hollow, tubular needle, an optical fiber disposed in parallel to the needle, a detector, a lens structure for focusing light coupled into the lens structure from the optical fiber at a focus beyond the distal end of the needle, and an imaging engine for processing a signal received from the detector via the optical fiber and the lens structure so as to generate an image of a region about the focus.. .
|Catheter with balloon and imaging|
The invention provides an intravascular catheter with an expandable member such as a balloon with an imaging device on a surface of the expandable member. The imaging device can use an optical fiber on a surface of the expandable member to image a treatment site.
|Imaging guidewire with photoactivation capabilities|
A guidewire providing imaging and light for photoactivation of therapeutic agents. Using optical fibers with bragg gratings, electromagnetic waves are coupled to photoacoustic materials thereby providing acoustic energy for imaging tissues.
|Scanning endoscope apparatus, image processing apparatus and operation method of image processing apparatus|
A scanning endoscope apparatus includes: a light source section that emits illuminating light; an optical fiber that guides and applies the illuminating light from a distal end, the illuminating light having directionality; a drive element and a scanning drive section that scan the distal end of the optical fiber; a light detecting section that detects light from a subject; a shutter and an intermittent light output control section that controls a light application period and an interruption period for the illuminating light; an extrinsic light component removal section that outputs a result of an average value of a plurality of light detection results obtained in the interruption period being subtracted from each of a plurality of light detection results obtained in the light application period; and an image processing section that forms image information for display, based on the result outputted by the extrinsic light component removal section.. .
|System and method for transmitting multi-octave telecommunication signals by up-shifting into a sub-octave bandwidth|
A system for transporting a plurality of digital data streams over an optical fiber can include a plurality of upstream quadrature amplitude modulation (qam) modems. Each qam modem encodes a digital stream onto a carrier signal by modulating both the amplitude and the phase of the carrier signal.
|Optical fiber protector|
This invention generally relates to devices and methods for protecting an optical fiber during assembly of an optical system. In certain aspect, the invention provides an optical fiber protector.
|Waveguide apparatuses and methods|
Optical fiber waveguides and related approaches are implemented to facilitate communication. As may be implemented in accordance with one or more embodiments, a waveguide has a substrate including a lattice structure having a plurality of lattice regions with a dielectric constant that is different than that of the substrate, a defect in the lattice, and one or more deviations from the lattice.
|Bridge fiber, combiner, and fiber laser device|
A bridge fiber includes a core layer 31 and an outer layer 32 which has an index of refraction higher than that of the core layer 31 and covers the outer peripheral surface of the core layer 31. The outer layer 32 is surrounded by a substance such as the atmosphere having an index of refraction lower than an index of refraction n2 of the outer layer 32.
In an optical cable 1, the ratio of the inner diameter id to the outer diameter od of a tube 20 is 0.5 or less, and thus the tube 20 has a comparatively thick wall. Consequently, even when the optical cable 1 is bent to a small bend radius of, for example, approximately 2 mm, a kink in a portion of the tube 20 corresponding to the inner side of the bending is suppressed.
|Photoelectric conversion device and optical fiber coupling connector|
A photoelectric conversion device includes a circuit board, light-emitting modules, light-receiving modules, an optical coupling module, and a lens strip. The light-emitting modules and the light-receiving modules are mounted on the circuit board.
|Fiber optic cable with electrical connectors at both ends, wall plates and control boxes|
A connecting device for a fiber optic cable includes a first part having first and second electrical connectors located on its housing, and a second part having a third electrical connector located on its housing. The second and third electrical connectors are adapted to be mechanically and electrically connect with each other or disconnected from each other.
|Flutes for ferrule to fiber bonding|
An optical connector includes a ferrule having first and second ends. At least one substantially circular channel extends between the first and second ends.
|Optical connector protecting cap, optical fiber cable with connector cap, and cap removal tool|
An optical connector protecting cap includes a projecting pulling piece to which a drawing out force is applied to pull out a cap from an optical connector, the projecting pulling piece protruding from a front end wall that covers in one end in an axis line of a cylindrical body placed on the outside of the optical connector.. .
|Optical coupling lens and optical fiber coupling connector|
An optical coupling lens includes a body portion, two locating posts, and two converging portions. The body portion includes a first surface, a second surface perpendicular to the first surface, and a reflecting surface obliquely interconnected between the first surface and the second surface.
|Optical coupling module and optical fiber coupling connector|
An optical coupling module includes a reflection member, first and second assembled members, first and second converging lenses. The reflection member includes a first surface, a second surface perpendicular connected to the first surface, and a reflection surface obliquely interconnected between the first and second surfaces.