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Optical Fiber patents



      
           
This page is updated frequently with new Optical Fiber-related patent applications. Subscribe to the Optical Fiber RSS feed to automatically get the update: related Optical RSS feeds. RSS updates for this page: Optical Fiber RSS RSS


Measuring method for optical fiber hole insert

Optical transceiver device

Laser based apparatus, methods and applications

Date/App# patent app List of recent Optical Fiber-related patents
08/28/14
20140244880
 Single optical fiber kvm extender patent thumbnailnew patent 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..
08/28/14
20140243806
 Fiber embedded hollow needle for percutaneous delivery of laser energy patent thumbnailnew patent 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.. .
08/28/14
20140243688
 Fluid temperature and flow sensor apparatus and system for cardiovascular and other medical applications patent thumbnailnew patent 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.
08/28/14
20140243687
 Shape sensing devices for real-time mechanical function assessment of an internal organ patent thumbnailnew patent 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.
08/28/14
20140243598
 Optical probe delivery and retrieval systems and methods patent thumbnailnew patent 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.
08/28/14
20140241731
 System and method for free space optical communication beam acquisition patent thumbnailnew patent 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).
08/28/14
20140241718
 Optical transceiver device patent thumbnailnew patent 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.
08/28/14
20140241690
 Optical fiber adapter patent thumbnailnew patent 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.
08/28/14
20140241686
 Optical fiber and method of manufacturing the same patent thumbnailnew patent 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.
08/28/14
20140241685
 Multimode optical fibers and methods of manufacture thereof patent thumbnailnew patent 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.
08/28/14
20140241684
new patent 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.
08/28/14
20140241680
new patent 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.
08/28/14
20140241679
new patent 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.
08/28/14
20140241678
new patent 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.
08/28/14
20140241676
new patent 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.
08/28/14
20140241674
new patent 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.
08/28/14
20140241669
new patent 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.
08/28/14
20140241668
new patent 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.
08/28/14
20140241664
new patent 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..
08/28/14
20140241396
new patent 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.
08/28/14
20140241393
new patent 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.
08/28/14
20140240819
new patent Multi-core amplification optical fiber and multi-core optical fiber amplifier
A multi-core amplification optical fiber includes a plurality of rare-earth-doped core portions and a cladding portion positioned at an outer periphery of the core portions and having refractive index lower than those of the core portions. When a doping concentration of the rare-earth of each of the core portions is 250 ppm to 2000 ppm, a relative refractive index difference of each of the core portions relative to the cladding portion is 0.5% to 2% at a wavelength of 1550 nm, and a core diameter of each of the core portions is 1 μm to 5 μm, a separation distance between each of the core portions and adjacent one of the core portions is set at equal to or larger than 30 μm and at equal to or smaller than 60 μm so that a light-crosstalk between the adjacent core portions is equal to or lower than −30 db..
08/28/14
20140240818
new patent Optical amplification component and fiber laser device
An optical amplification component 1 includes a heat dissipation plate 10 and an amplification optical fiber 20 arranged on the heat dissipation plate 10. A first fiber portion 20a extending from a reference position rp between a first end e1 and a second end e2 of the amplification optical fiber 20 toward the first end e1 and a second fiber portion 20b extending from the reference position rp toward the second end e2 are wound in a spiral around the reference position rp so as to be along each other as well as not to overlap with each other, and the distance between the first fiber portion 20a and the second fiber portion 20b increases toward the ends thereof..
08/28/14
20140240702
new patent Laser based apparatus, methods and applications
Embodied is a two-color, fiber-delivered picosecond source for coherent raman scattering (crs) imaging. A wavelength tunable picosecond pump is generated by nonlinear spectral compression of a prechirped femtosecond pulse from a mode-locked titanium:sapphire (ti:s) laser.
08/28/14
20140239330
new patent Optical communication module and method for making the same
An optical communication module includes an optical semiconductor element. The element includes an optical functional region having a light receiving function or a light emitting function, a first transmission layer transmissive to light emitted from the optical functional region or light received by the optical functional region, and a wiring layer stacked on the first transmission layer and constituting a conduction path to the optical functional region.
08/28/14
20140238208
new patent Stripping apparatus and methods for optical fibers
Apparatus and methods for stripping tight-buffered optical fibers are disclosed. The apparatus is configured to perform one or more of the functions of stripping a tight buffer layer, removing a coating layer, and cleaving the fiber, in a single motion..
08/28/14
20140238080
new patent Systems and techniques for fabricating optical fiber gratings
A resistive heating element is used to fabricate a long-period grating mode converter. The resistive heating element creates a localized heating zone for creating an asymmetric perturbation at a periodic series of axial locations along the length of a segment of optical fiber that supports the propagation of both a symmetric mode and an asymmetric mode.
08/28/14
20140237835
new patent Measuring method for optical fiber hole insert
An apparatus for fixing an optical fiber hole insert in coordinate measurement, is provided. The apparatus includes a main body and a cover plate.
08/21/14
20140236024
Medical probe with multi-fiber lumen
The present invention relates to a medical probe which consists of a cannula with a multilumen stylet inside. The multilumen contains at least two lumen.
08/21/14
20140236022
Scanning optical systems
Scanning mechanisms that have application in confocal imaging use electromagnetic actuation to move elements in an optical system. An objective lens mounted to a flexure comprising a magnetic material is actuated in the axial direction by an electromagnet coil.
08/21/14
20140233958
Uni-fiber lasercom terminal design
A method, system, and apparatus for a uni-fiber laser communications (lasercom) terminal are disclosed herein. The apparatus includes an oscillator to generate a first signal having a first wavelength, and a modulator to modulate the first signal.
08/21/14
20140233952
Methods and systems for delivery of multiple passive optical network services
A system for delivering multiple passive optical network services is disclosed. The system includes a first optical transmission service comprising a common wavelength pair routed from a source to each of a plurality of subscribers.
08/21/14
20140233951
Antenna system and methods for wireless optical network termination
Optical network termination systems, devices and methods including an optical network terminal (ont) having a processor in communication with an external optical fiber. The ont processors further in communication with a wireless access point and at least one electrically conductive internal transport medium, both providing for the communication of telecommunication signals with devices located within a customer premises.
08/21/14
20140233903
Strain relief for pigtail module
Fiber optic modules having pigtails and related strain relief constructions for the fiber optic harness are disclosed. The fiber optic module assembly has a fiber pigtail exiting module, the assembly includes a main body of the module defining an internal chamber disposed between a first side and a second side, a plurality of fiber optic components disposed at the first side of the module, and a fiber optic harness including the fiber pigtail.
08/21/14
20140233899
Optical trunk cable
A fiber optic cable comprises a plurality of elongated optical fiber units, each having an outer jacket containing multiple optical fibers. The optical fiber units are interconnected at intermittent bonding locations along an axial length of said trunk cable to form a sheathless bundle.
08/21/14
20140233896
Ferrule fixing member
A ferrule fixing member includes a fixing member configured to fix a ferrule to hold an optical fiber to a retaining member including a retaining hole to insert the ferrule, a locked portion configured to be locked to a locking portion formed on the retaining member and to be restricted from moving, with respect to the retaining member, in an insertion direction of the ferrule and in a direction orthogonal to the insertion direction, and a main body configured to elastically press the ferrule toward the bottom of the retaining hole by elastic deformation thereof.. .
08/21/14
20140233895
Fiber-optic connector
A fiber-optic connector for connecting an optical fiber to other optical assemblies is disclosed. The fiber-optic connector includes a top plate having a window of similar refractive index and transmission index as the material of an optic fiber to be contained within the fiber-optic connector.
08/21/14
20140233894
User-configurable optical fiber link
An optical fiber connector includes a connector body and a submodule having a user-selectable configuration, such as a splitter or coupler. The connector body has a submodule mounting region.
08/21/14
20140233893
Backwards compatible multi-core fiber optic cable
A multi-core optical fiber has dimensions to be backwards compatible with a conventional, single-core optical fiber of the single-mode or multimode type. In one embodiment, the center core has a diameter, such as 3 to 9 um, 50 um or 62.5 um.
08/21/14
20140233890
Index matched grating inscription
The disclosed embodiments provide systems and methods for mitigating lensing and scattering as an optical fiber is being inscribed with a grating. The disclosed systems and methods mitigate the lensing phenomenon by surrounding an optical fiber with an index-matching material that is held in a vessel with an integrated interferometer (e.g., phase mask, etc.).
08/21/14
20140233889
Index matched grating inscription
The disclosed embodiments provide systems and methods for mitigating lensing and scattering as an optical fiber is being inscribed with a grating. The disclosed systems and methods mitigate the lensing phenomenon by surrounding an optical fiber with a liquid index-matching material that is held in a vessel.
08/21/14
20140233888
Index matched grating inscription
The disclosed embodiments provide systems and methods for mitigating lensing and scattering as an optical fiber is being inscribed with a grating. The disclosed systems and methods mitigate the lensing phenomenon by surrounding an optical fiber with an index-matching material that is held in a vessel with an integrated interferometer (e.g., phase mask, etc.).
08/21/14
20140233887
Method and apparatus for aligning of opto-electronic components
A method for aligning a ferrule-mounted optical fiber with the optical axis of an electro-optical device, including the following steps: providing an alignment marking with respect to the device in relation to the optical axis; providing an annular receptacle and a tubular alignment pin with a central passageway, having its proximal end slidably fitted in the annulus of the receptacle; aligning the proximal end of the alignment pin with the alignment marking; securing the device to the receptacle; removing the alignment pin from the receptacle; and inserting the ferrule-mounted optical fiber into the receptacle.. .
08/21/14
20140233591
Method for sharing optical fiber for cloud-based wired and wireless access network, and system and apparatus for same
A system for sharing an optical fiber for a cloud-based wired and wireless access network, includes: a centralization device to generate summing signals by respectively summing multi-channel optical signals input from a wireless donor unit group and by summing multi-channel wired signals input from a wired donor unit group or generate wavelength-converted signals by wavelength-converting the multi-channel optical signals or the multi-channel wired signals, multiplex the summing signals or the wavelength-converted signals, and distribute the summing signals or the wavelength-converted signals to a plurality of devices connected to the centralization device via a shared optical fiber; and a distribution device group to generate corresponding optical signals by demultiplexing the summing signals or the wavelength-converted signals in units of wavelengths, and transmit the corresponding optical signals or the multi-channel wired signals to a wireless remote unit group and/or a wired remote unit group via a preset optical fiber.. .
08/21/14
20140233036
Device for tactile shape determination
A device for the tactile determination of a surface shape of a measuring object includes a micro probe arm having a stylus tip, the micro probe arm being fastened on an optical fiber having a fiber end, which is mounted in a probe housing, a reference mirror is provided in the probe housing, and an optical measuring device is provided for determining the position of the fiber end in relation to the reference mirror. The contactless interferometric determination of the distance between the fiber end of the optical fiber and the reference mirror attached in the probe housing allows precise determination of the surface shape of the measuring object..
08/21/14
20140233035
Broadband or mid-infrared fiber light sources
An optical system for use in an imaging procedure includes one or more semiconductor diodes configured to generate an input signal beam with a wavelength shorter than 2.5 microns that is amplified and communicated through optical fiber(s) to a nonlinear element configured to broaden the spectral width to at least 50 nm through a nonlinear effect. A subsystem includes lenses or mirrors to deliver an output beam having a broadened spectrum to an optical coherence tomography apparatus with a sample and reference arm to perform imaging for characterizing the sample.
08/21/14
20140233019
Optical fiber mechanical bend stress test system with optical time-domain reflectometer
Methods and devices provide for storing historical data that includes interference values mapped to at least one of bend radii values, lifetime values, or failure rate values of optical fibers; transmitting an optical signal, via a test system, toward the optical fiber under test; setting a polarization state of the optical signal before the optical signal propagates through the optical fiber under test; setting a polarization state of a reflected optical signal that has propagated through the optical fiber under test in a manner that causes a minimum interference or a maximum interference; measuring instances of power of the reflected optical signal; and outputting a result that includes at least one of a bend radius value, a lifetime value, or a failure rate that applies to the optical fiber under test based on the measured instances of power and the historical data.. .
08/21/14
20140233013
Lidar
A lidar includes cw laser light sources that oscillate cw laser light rays with wavelengths different from each other; an optical multiplexing coupler that mixes the cw laser light rays oscillated by the cw laser light sources; an optical branching coupler that splits the cw laser light passing through the mixing by the optical multiplexing coupler; a light modulator that modulates first cw laser light split by the optical branching coupler; and an optical fiber amplifier that amplifies the laser light modulated by the light modulator, in which a transmit-receive optical system irradiates a target with the laser light amplified by the optical fiber amplifier, and receives scattered light of the laser light by the target.. .
08/21/14
20140232997
Index matched grating inscription
The disclosed embodiments provide systems and methods for mitigating lensing and scattering as an optical fiber is being inscribed with a grating. The disclosed systems and methods mitigate the lensing phenomenon by surrounding an optical fiber with an index-matching material that is held in a vessel with a sealed phase mask.
08/21/14
20140232811
Optical recording head and image forming apparatus
Image forming apparatus 10 of the present invention is an apparatus for forming an image on a surface of recording medium p by applying laser light to recording medium p, the apparatus including a plurality of light sources 31 each of which emits laser light, a plurality of optical fibers 23 and 42 through which laser light respectively emitted from light sources 31 propagates, holder 43 that holds optical fibers 42, and fly-eye lens 50, cylindrical lens array 60, aperture array 70, lens 80a and lens 80b through which laser light emitted from end surfaces of optical fibers 42 passes, wherein each of apertures 71 of aperture array 70 is rectangular.. .
08/21/14
20140231656
Optical fiber having scintillation quencher, a radiation sensor and a radiation detection apparatus including the optical fiber and a method of making and using the same
An optical fiber can include a polymer and a scintillation quencher. The optical fiber can be a member of a radiation sensor or radiation detecting system.
08/21/14
20140231636
Fiber optic acoustic sensor arrays, fiber optic sensing systems and methods of forming and operating the same
A fiber optic acoustic sensing array. The fiber optic acoustic sensing array includes a core strength member and an optical fiber wound on the core strength member.
08/21/14
20140231147
Apparatus and system to drill a bore using a laser
A system to extend a lateral bore section using laser light comprises a first umbilical connected to a deflection member having a drive gear, a lateral exit port and at least one deployable seal intermediate a proximal end and the lateral exit port, and a second umbilical having an exterior movable by the drive member through a pathway of the deflection member ending at the lateral exit port to controllably advance a drill head connected to a leading end of the second umbilical. Optical fibers of the second umbilical transmit laser light from a surface end to optical elements in the drill head that condition laser light for heating a targeted portion of a bore wall.
08/21/14
20140230536
Distributed acoustic monitoring via time-sheared incoherent frequency domain reflectometry
A system and method to obtain an acoustic signal from a borehole penetrating the earth are described. The system includes a modulated single frequency incoherent light source to output a modulated light signal.
08/14/14
20140228829
Laser-based devices and methods for renal denervation
An ablation catheter includes an elongated sheath configured for intravascular usage, and an inner tube disposed within the elongated sheath. The inner tube is rotatable and translatable relative to the sheath.
08/14/14
20140228828
Eccentric balloon laser catheter
Various embodiments of an eccentric balloon catheter are disclosed. In some embodiments, an eccentric balloon catheter includes an eccentrically positioned guidewire tube, with an interior lumen, that extends at least a portion of the length of the catheter body.
08/14/14
20140227438
Visual tracer system for fiber optic cable
A fiber optic cable includes a first optical fiber, a jacket, and a second optical fiber. The first optical fiber includes a glass core and cladding.
08/14/14
20140226989
Node device, and control method and control program thereof
Provided is a node device in an optical communication system in which a plurality of node devices are connected by a plurality of optical fibers, including: at least a first optical transceiver that consumes a first power consumption amount during standby; at least a second optical transceiver that consumes a second power consumption amount greater than the first power consumption amount during standby; and a power consumption control unit that preferentially selects the second optical transceiver as an optical transceiver to be maintained by the node device, the second optical transceiver being in a fast startup standby mode in which startup time from a standby state is shorter than allowable time of interruption time of a communication service in the optical communication system.. .
08/14/14
20140226987
Protected optical single-fiber wdm system
The invention relates to a protected optical single-fiber wdm system. A first (3) and a second (5) head-end terminal and at least one optical add/drop filter device (11) are connected to form a chain-like transmission path, each of the first and second head-end terminals (3, 5) being connected, at a wdm port (3a, 5a), through a single optical fiber (13) to a western (11a) or an eastern wdm port (11d) of an adjacent one of the optical add/drop filter devices (11), respectively, and each of the optical add/drop filter devices (11) being connected, at an eastern or western wdm port (11d, 11a), to a western or eastern wdm port (11a, 11d) of an adjacent one of the optical add/drop filter devices (11), respectively.
08/14/14
20140226969
Method and apparatus for detecting a fault on an optical fiber
Mechanisms for operating a network element in an optical network are disclosed. A network element has a plurality of ports, each port including a respective receive input for receiving an optical signal from another network element and a respective transmit output for transmitting an optical signal to the other network element.
08/14/14
20140226948
Optical fiber producing method and apparatus and optical fiber
An apparatus includes a susceptor and a protective pipe. A gas containing 50% or more of argon or nitrogen is used as a gas to be supplied into the susceptor.
08/14/14
20140226943
D1368 cr radiation curable primary coating for optical fiber
A wet-on-dry process for coating a glass optical fiber with a radiation curable primary coating, comprising (a) operating a glass drawing tower to produce a glass optical fiber; (b) applying a radiation curable primary coating composition onto the surface of the optical fiber; (c) applying radiation to effect curing of said radiation curable primary coating composition; (d) applying a secondary coating to the primary coating; and (e) applying radiation to effect curing of said secondary coating. Also, a wet-on-wet process for coating a glass optical fiber with a radiation curable primary coating, comprising (a) operating a glass drawing tower to produce a glass optical fiber; (b) applying a radiation curable primary coating composition onto the surface of the optical fiber; (c) applying a secondary coating to the primary coating; and (d) applying radiation to effect curing of the primary coating and the secondary coating..
08/14/14
20140226942
Multicore optical fiber
The present invention relates to a multicore optical fiber having a structure for suppressing core-to-core crosstalk. The multicore optical fiber (100a) comprises a plurality of cores extending along a predetermined axis while being arranged like a hexagonal lattice on a cross section perpendicular to the axis and a cladding region (120) integrally surrounding the plurality of cores.
08/14/14
20140226941
Colored optical fiber, optical fiber ribbon, and optical fiber cable
It is a colored optical fiber 1, which comprises two coating layers of a primary coating layer 31 and a secondary coating layer 32, wherein either one of the primary coating layer 31 or the secondary coating layer 32 is colored, both coating layers have equilibrium elastic moduli of 60 mpa or less, and the secondary coating layer 32 has a relaxation modulus of 410 mpa or more, an optical fiber ribbon 4 that utilizes it, and an optical fiber cable 8.. .
08/14/14
20140226940
Fiber optic cable with improved flexibility, low temperature and compression resistance
A multi-tube optical fiber cable has a core with a first set of one or more optical fiber tubes, each having one or more optical fibers loosely arranged therein. The first set of tubes is constructed of a polymer having a low young's constant modulus.
08/14/14
20140226939
Optical fiber distribution cables
Described are optical fiber distribution cables that simplify the installation process and significantly reduce the number of field splices. The distribution cables contain optical splitters within the cable structure itself, and the drop cables are also housed within the distribution cable.
08/14/14
20140226933
Side fire laser assembly
Embodiments include an apparatus including an optical fiber having a proximal end and a distal end. The distal end of the optical fiber has a surface configured to emit energy transverse to a longitudinal axis of the optical fiber.
08/14/14
20140226932
Independent dual path optical rotary joint
A dual optical path rotary joint provides a low friction coupling of optical fiber connections for optogenetic research and other applications. Two optical paths are provided through the rotary joint which are rotation-insensitive.
08/14/14
20140226931
Multifunctional optical sensor unit
A method and apparatus for detecting a group of parameters. An optical signal is sent into an optical sensor unit comprising a first reflective structure, a second reflective structure, and a cavity system located between the first reflective structure and the second reflective structure.
08/14/14
20140226151
Method of measuring multi-mode fiber optical properties during processing of the fiber
A method of measuring optical properties of a multi-mode optical fiber during processing of the fiber is described. The method includes: transmitting a light signal through one of the draw end of the multi-mode fiber and a test fiber section toward the other of the draw end and the test fiber section; and receiving a portion of the light signal at one of the draw end and the test fiber section.
08/14/14
20140226148
Optical fiber mechanical splice termination and test apparatus and methods
Embodiments of the present invention generally relate to the field of optical fiber splicing, and more specifically to apparatuses and methods directed to mechanical splice termination and evaluation of resulting splice joints. In an embodiment, the present invention is an apparatus for evaluating the integrity of a mechanical splice joint comprising a light source, a circulator, a photo detector, and an analysis circuit, wherein the apparatus connects to a test connector and evaluates signals representative of light pulses passing through at least a portion of the test connector..


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Optical Fiber topics: Optical Fiber, Silicon Dioxide, Fiber Optic, Attenuation, Scattering, Distributed, Integrated Circuit, Optical Sensor, Lenslet Array, Modulation, Demodulation, Telecommunication, Irradiation, Lateral Translation, Lens Array

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