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Optical Fiber

Optical Fiber-related patent applications - as published by the U.S. Patent and Trademark Office (USPTO).


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Optical fiber based microphone array for detecting acoustic emissions generated by an area of interest
Siemens Energy, Inc.
August 17, 2017 - N°20170238101

A microphone array for detecting acoustic emissions generated by equipment. The array includes at least one grid having a plurality of sensors each including a compact arrangement of optical fiber having first and second optical fiber ends wherein the first optical fiber end of a first sensor is terminated. The array also includes an optoelectronic device coupled to a second ...
External cavity fp laser
Oplink Communications, Llc
August 17, 2017 - N°20170237519

Methods, systems, and apparatus, for an external cavity fp laser. In one aspect, an apparatus is provided that includes a fp laser diode; a faraday rotator (fr) coupled to receive an optical output of the fp laser diode and that rotates a polarization of the optical output; an optical fiber coupled at a first end to receive the output of ...
Method and system for cassette based wavelength division multiplexing
Luxtera, Inc.
August 17, 2017 - N°20170237516

A method and system is provided for cassette based wavelength division multiplexing and may include an optical system with an aggregating cassette. The optical system may include optical transceivers, with each generating optical signals at a different wavelength. The aggregating cassette may include one or more multiplexers coupled to each of the optical transceivers via optical fibers. The optical transceivers ...
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Optical receiver and optical axis alignment method thereof
Sumitomo Electric Industries, Ltd.
August 17, 2017 - N°20170237504

An optical receiver comprises a package provided with an input window; a polarization-maintaining optical fiber fixable to the input window; a polarization beam splitter, disposed on the package, for inputting light outputted from the polarization-maintaining optical fiber and outputting first output light and second output light having respective polarization directions different from each other; a beam splitter, disposed on the ...
Optically enabled multi-chip modules
Finisar Corporation
August 17, 2017 - N°20170237496

An optically enabled multi-chip module has an optical engine transceiver and a host system chip. The optical engine transceiver has an optical engine front-end and an optical engine macro. The optical engine front-end has multiple laser diodes, laser driver circuitry electrically interfaced with each of the laser diodes, multiple photodiodes, amplifier circuitry electrically interfaced with each of the photodiodes, and ...
Optical fiber-based distributed antenna systems, components, and related methods for calibration thereof
Corning Optical Communications Llc
August 17, 2017 - N°20170237494

Optical fiber-based wireless systems and related components and methods are disclosed. The systems support radio frequency (rf) communications with clients over optical fiber, including radio-over-fiber (rof) communications. The systems may be provided as part of an indoor distributed antenna system to provide wireless communication services to clients inside a building or other facility. The communications can be distributed between a ...
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Optical Fiber Patent Applications
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Optical fiber distribution system
Adc Czech Republic S.r.o.
August 17, 2017 - N°20170235084

A cable mount for fixing a strength member of a fiber optic cable to a fixture includes a front end, a rear end, and a longitudinal channel therebetween, the channel defined by upper and lower transverse walls and a vertical divider wall. The channel receives a portion of the cable. A strength member pocket receives the strength member of the ...
Optical fibers deployment in the last mile
Prysmian S.p.a.
August 17, 2017 - N°20170235083

A method for connecting a number of users with at least one signal bearing optical fiber contained in an optical cable. The method includes: a) interrupting the signal bearing optical fiber at a first branch point, obtaining a first optical fiber segment upstream of the branch point and a second optical fiber segment downstream of the branch point; b) providing ...
Fiber optic enclosure with external cable spool
Commscope Technologies Llc
August 17, 2017 - N°20170235079

A fiber optic telecommunications device includes an enclosure defining an interior. A first fiber optic adapter is provided at the enclosure. A spool is provided at an exterior of the enclosure. A fiber optic cable, which includes a first optical fiber, is wrapped around the spool. A first fiber optic connector is mounted at a first end of the first ...
Central loose tube optical-fiber cable
Prysmian S.p.a.
August 17, 2017 - N°20170235069

The present invention relates to central loose optical-fiber cables. An exemplary optical-fiber cable includes a central buffer tube that encloses loose optical fibers. Stranded strength yarns surround the central buffer tube and the optical fibers positioned within the central buffer tube's annular space, and a cable jacket surrounds the stranded strength yarns.
Rollable ribbons in loose-tube cable structures
Ofs Fitel, Llc
August 17, 2017 - N°20170235068

Embodiments of the invention include an optical fiber cable. The optical fiber cable includes a plurality of multi-fiber unit tubes. The multi-fiber unit tubes are substantially circular and dimensioned to receive a plurality of optical fibers. The optical fiber cable also includes a plurality of partially bonded optical fiber ribbons positioned within at least one of the multi-fiber tubes. The ...
Optical fiber connector assembly
Prysmian S.p.a.
August 17, 2017 - N°20170235064

Optical fiber connector assembly for a fiber optic cable includes an optical fiber having an end portion terminated with a ferrule. The optical fiber connector assembly includes: a sleeve configured to at least partially house the end portion of the optical fiber terminated with the ferrule; a connector including a body extending lengthwise and having an internal passageway for the ...
Connector for multiple core optical fiber
Commscope, Inc. Of North Carolina
August 17, 2017 - N°20170235062

A fiber optic plug, suitable for multi-core fiber (mcf), is structured to hold satellite cores of the mcf in a precise angular positions so as to attain suitable alignment with satellite cores of a mating connector. The plug includes features to permit a ferrule holding the mcf to move longitudinally relative to the connector's housing, so that a spring may ...
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Optical Fiber Patent Applications
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  • 1252+ full patent PDF documents of Optical Fiber-related inventions.
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Selective uv curing of epoxy adjacent to optical fibers by transmitting uv energy through the ...
Commscope, Inc. Of North Carolina
August 17, 2017 - N°20170235059

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. A first mcf in a first holder is clocked to orient its cores to a desired position. The light source is activated, and the ...
Base member and fusion splicer
Seiwa Giken Inc.
August 17, 2017 - N°20170235054

On a top face (24a) of a base member (3), v-shaped grooves (15a) and (23a) are provided. On a reverse face (24b) of a base member (3), v-shaped grooves (15b) and (23b) are provided. The v-shaped grooves (15a) and (15b), which are first v-shaped grooves and are for holding optical fibers, and the v-shaped grooves (23a) and (23b), which are second v-shaped ...
Fusion splicer
Furukawa Electric Co., Ltd.
August 17, 2017 - N°20170235053

A fusion splicer includes: a first gear including a first eccentric cam unit; a first rotating member including a first main body having a first abutting surface abutting on the first eccentric cam unit, a first arm unit extending from the first main body and rotatably supported by a main base, and a second arm unit extending from the first ...
Optical fiber holder and optical fiber cleaving apparatus to which optical fiber holder is attachable
Sei Optifrontier Co., Ltd.
August 17, 2017 - N°20170235052

An optical fiber holder includes a holder main body, a v-groove which is formed on an upper surface of the holder main body and accommodates a first optical fiber, a recessed groove which is formed on a same straight line with the v-groove and accommodates a second optical fiber having a coating portion with a larger outer diameter than the ...
Optical fiber cutting apparatus
Sei Optifrontier Co., Ltd.
August 17, 2017 - N°20170235051

An optical fiber cutting apparatus includes a body portion on which an optical fiber is mounted, a cover member that is rotatably connected to the body portion and fixes the optical fiber between the body portion and the cover member by rotating toward the body portion, a blade member configured to form a flaw on a glass fiber portion of ...
Optical fiber cutting apparatus
Sei Optifrontier Co., Ltd.
August 17, 2017 - N°20170235050

An optical fiber cutting apparatus includes a fixing member configured to fix a glass fiber portion of an optical fiber, a blade member configured to form a flaw on the glass fiber portion, and a position adjusting portion configured to adjust a relative position of the blade member with respect to the glass fiber portion that is fixed by the ...
Optical fiber assembly with enhanced filtering of higher-order modes
Institut National D'optique
August 17, 2017 - N°20170235049

Optical fiber assemblies for filtering of higher-order modes include a winding support and an optical fiber wound along a winding path on the winding support. The optical fiber is configured to support a fundamental transverse mode and one or more higher-order transverse modes. The optical fiber has a longitudinal fiber axis, a core, a cladding surrounding the core, a transverse ...
Low attenuation fiber with stress relieving layer and a method of making such
Corning Incorporated
August 17, 2017 - N°20170235045

A single mode optical fiber having a core made from silica and less than or equal to about 11 weight % germania and having a maximum relative refractive index Δ1max. The optical fiber also has an inner cladding surrounding the core and having a minimum relative refractive index Δ2min, a first outer cladding surrounding the inner cladding and a second ...
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