|| List of recent Fiber Optic-related patents
| Latching optical switch and subsystem using bistable liquid crystal|
A submarine network includes a submarine network with a branching unit bu for splitting or combining a signal between a main trunk path and a branch path for allowing signals from different paths to share a same fiber optic path, said bu and submarine network normally having a fixed and predetermined wavelength arrangement preventing reconfigurability of the submarine network, and a latching wavelength selective switch wss or wavelength blocker wb in the branching unit for splitting or combining the signals between the main trunk path and branch path to enable a latching capability and enable reconfigurability of the branching unit bu, the latching wsss being a bistable liquid crystal based material without moving parts for increased stability and lower power consumption over use of conventional mono-stable liquid crystal lc switches in a submarine network.. .
| Large-capacity fiber optical switching device and optical transmission system|
A highly reliable optical switching device and optical switching method ensure restoration of the failure in the large-capacity high density wiring of the multicore fiber with the general number of cores (7 cores, 19 cores and the like). An optical transmission system which transmits a supervisory control signal concerning a transmission path switching to one or more cores of a single or multiple multicore fibers, an active signal to one or more cores, and a standby signal to one or more cores includes optical switching devices connected to respective ends of the optical transmission system.
| Managed fiber connectivity systems|
A communications connection system includes an sc fiber optic connector including a storage device having memory configured to store physical layer information. The storage device also includes at least one contact member that is electrically connected to the memory.
| Slidable fiber optic connection module with cable slack management|
A telecommunications device includes a rack defining right, left, front, rear, top, and bottom sides, the rack defining mounting locations in a stacked arrangement from the bottom to the top, the mounting locations for receiving modules defining connection locations. A cable storage bay is located at one of the right and left sides of the rack and defines front and rear cable storage areas.
| Ganged fiber optic connector adapter modules and assemblies having reinforcement members and staggered fiber optic connector adapter ports|
Fiber optic connector adapter modules for use in optic communications networks are disclosed. In one embodiment, a fiber optic connector adapter module includes an adapter plate having a first surface and a second surface, an array of fiber optic connector adapters with a first port extending from the first surface of the adapter plate, wherein the first port of each fiber optic connector adapters of the array is configured to receive a first fiber optic connector, and at least one reinforcement member connecting the first port of adjacent fiber optic connector adapters of the array.
| Fiber optic connector adapter module modules and methods|
Fiber optic connector adapter module assemblies employing an engagement technique to install a fiber optic connector adapter module in an enclosure without tools are disclosed. In one embodiment, a fiber optic connector adapter module assembly includes a fiber optic connector adapter module having a plurality of first ports, and an adapter mount having an adapter opening.
| 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.
| 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.
| 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.
| 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.
| 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.
| Female hardened optical connectors for use with male plug connectors|
A female hardened fiber optic connector for terminating an end of a fiber optic cable that is suitable for making an optical connection with another hardened cable assembly and cable assemblies using the same are disclosed. The female hardened fiber optic connector includes a connector assembly, a crimp body, a connector sleeve, and female coupling housing.
| 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.
| Light beam collimator particularly sutable for a densely packed array|
A method and apparatus for controlled displacement, rotation and deformation of parts of a fiber optic collimator so as to provide multiple degrees of adjustment freedom that are decoupled one from another, for adjusting the path of a light beam, comprising: an output elongate hollow node for passing a light beam therethrough and towards a lens, and an elongate hollow base node having separate top and bottom parts connected to each other by opposed ends of a plurality of flexible rods that restrict the relative movement between the top and bottom parts of the base node to substantially only translational parallel movement. Opposed portions of the top and bottom parts of the base node each include a respective screw and an opposed slanted surface, which upon interaction, develop a shearing force which is applied to the top and bottom parts of the base node and cause a translational parallel relative movement therebetween..
| Method and system for detecting optical ring resonator resonance frequencies and free spectral range to reduce the number of lasers in a resonator fiber optic gyroscope|
A resonator fiber optic gyroscope (rfog) is provided. The rfog includes a gyroscope resonator having a clockwise input port and a counter-clockwise input port; a first laser configured to couple a clockwise optical beam into to the clockwise input port; a clockwise pound-drever-hall modulation generator to modulate the clockwise optical beam with a resonance tracking modulation before the clockwise optical beam is coupled into the clockwise input port; bias correction electronics; fsr-detection-and-servo electronics including a switch communicatively coupled to the clockwise pound-drever-hall modulation generator; a clockwise transmission detector configured to receive an optical beam output from the counter-clockwise input port and output signals to the bias correction electronics and the fsr-detection-and-servo electronics; and a second laser configured to couple a counter-clockwise optical beam into to the counter-clockwise input port, wherein the fsr of the gyroscope resonator is measured based on the pound-drever-hall modulation of the clockwise optical beam..
| Archery sighting method and apparatus|
An archery sight assembly for aiming bows including, without limitation, compound bows. An adjustable mounting bracket connects the archery sight assembly to a bow and permits position adjustment of a sight window relative to the bow.
|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.
|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.
|High reliability armored termination/epoxy gland|
An armored cable termination/fiber-optic seal which connects a fiber optic cable—the fiber optic cable including one or more armor wires and one or more cable tubes—to a pressure housing, the armored cable termination/fiber-optic seal including: an armored termination which locks the one or more armor wires in a conical cavity; sealing paths which block water from traveling in the interstitial space between the one or more armor wires and the one or more cable tubes into the pressure housing; and fiber feed-through tubes which block water from traveling in the interior of the one or more cable tubes into the pressure housing.. .
|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.
|Method and apparatus for auto-correcting the distributed temperature sensing system|
System and method for correcting the potential errors occurring in a fiber optic temperature measurement system are disclosed. In one respect, a dual light sources configuration is provided.
|Sunny bright solar lighting|
Sunny bright solar lighting is an easily mounted roof solar sunpipe that magnifies and concentrates the incoming sun light with an internally mounted and focused nonimaging fresnel lens paired with a kohler concentrator lens in order to magnify and concentrate the focused intense sun light onto a fiber optic illumination systems glass plate, used for solid core fiber optic lighting cables, and a bundle of seven 14 mm solid core endglow plastic fiber optic cables that carries only light waves in a visible light spectrum to seven different rooms that are up to thirty three feet away from the roof mounted sunny bright solar tube. Each fiber optic cable has an easily installed adjustable light aperture with diffuser on the end in order to dim or turn off each light independently this would allow sunny bright solar lighting to bring the suns light into any desired room during the day and at night the 110v led lighting array that is internally mounted in the sunny bright solar tube would replace the sunlight to continue lighting the seven different rooms..
|Interrogator for a plurality of sensor fiber optic gratings|
An interrogator for a plurality of sensor fiber optic gratings. The interrogator includes an optical source for providing signals to the plurality of sensor fiber optic gratings.
|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.
|Suspension clamp for cables having preferential bend|
Suspension clamps for fiber optic cables having a preferential bend are disclosed. The suspension clamp includes a body having a clamping region with a first radius r1 adjacent to the clamping region and a second radius r2 adjacent to the first radius r1 where the first radius is greater than the second radius r2.
|Method for installing multiple sensors in coiled tubing|
A method for installing multiple fiber optic cables in coiled tubing in oil and gas operations.. .
|Method and device for installing multiple fiber optic cables in coiled tubing|
A method for installing multiple fiber optic cables in coiled tubing in oil and gas operations.. .
|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.
|System and method for filtering an optical signal to avoid fading and to optimize linearity|
A system for transmitting an optical signal over a fiber optic includes a terminal for generating the optical signal. Due to its modulation, the optical signal includes a carrier having a wavelength “λ”, with an upper sideband and a lower sideband.
|System and method for isolating rf signals for transmission over multiple channels on a single transmission path|
A system for regulating the signal strengths of a plurality of radio frequency (rf) signals to reduce signal degradation includes a plurality of controllers. Each controller is operably positioned upstream of an electrical-to-optical converter which generates an optical signal for transmission over a fiber optic transmission path.
|High-density fiber optic modules and module housings and related equipment|
High-density fiber optic modules and fiber optic module housings and related equipment are disclosed. In certain embodiments, a front opening of a fiber optic module and/or fiber optic module housing is configured to receive fiber optic components.
|Fiber shelf break-out plate|
Enclosures for supporting fiber optic hardware or managing fiber optic cables are disclosed. An example enclosure includes a bulkhead panel extending outward from and extending across a surface of the enclosure.
|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.
|Fiber optic connectors, cable assemblies and method for making the same|
A fiber optic connector includes a mechanical splice assembly and a connector body. The connector body has a first portion joined to a second portion.
|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.
|Out-of-autoclave curing system|
A method for bonding two parts together in accordance with an embodiment of the disclosure can include providing first and second parts, placing a light curable adhesive between the first and second parts, and irradiating the light curable adhesive using a modified fiber optic filament disposed between the first and second parts.. .
|Periodontal treatment system and method|
The specification discloses embodiments and other information concerning methods, systems, and apparatus in accordance with aspects of the subject invention for treating diseased root canals in teeth and other dental condition, such as periodontitis and the like wherein a laser light is pulsed from a laser fiber optic tip into liquid contained in a reservoir or other space within the canal, periodontal sulcus/pocket, or other dental space immersing the area in need of treatment so as to disintegrate, separate, or otherwise neutralize pulp, plaque, calculus, bacteria, and other microbes, thus annihilating and particleizing undesirable material within the liquid in the reservoir by the action of relatively intense, photoacoustic micro-pressure waves propagating throughout the liquid as a result of the laser light pulses emitted into the liquid from the tip, thereby enabling easy removal of the particles by finely dispersing the same in the liquid and then flushing the particle-laden liquid from the area by hydraulic swirling actions associated with the pulsing light and through ensuing antiseptic rinses, all without elevating the temperature of nearby dentin, tooth, bones, gums, and/or other soft/hard adjacent tissues more than about 5° c. So as to avoid or eliminate harmful effects of localized heating of the same..
|Telecommunications cabinet with connector storage|
A housing including a plurality of openings for receiving fiber optic connectors and protecting the polished end face of the connectors from damage while the connectors are stored within a telecommunications connection cabinet. A module with a plurality of optical fiber cables connected to a first optical fiber cable and terminated by a fiber optic connector.
|Fiber optic multiport|
A fiber optic multiport includes a housing, a multi-fiber connector coupled to the housing, a plurality of optical fibers, extensions, and ports connected to distal ends of the extensions. The housing defines an enclosure and includes interlocking structure that seals off the enclosure from the environment.
|Fiber splice housing with temperature compensation|
A method and device for relieving thermal stresses on the optical fibers in fiber optic splice housings used in hostile thermal environments.. .
|Optical fiber assemblies|
Fiber optic assemblies include subunit cables wrapped in binders. The assemblies have small cross sections and low bend radii while maintaining acceptable attenuation losses.
|Interposer structure having optical fiber connection and related fiber optic connector for the same|
Disclosed are interposer structures having an optical fiber connection and a related fiber optic ferrule that can form a portion of an optical assembly. The interposer structure is useful for transmitting optical signals to/from an integrated circuit that may be attached to the interposer.
|Methods of connectorizing multi-core fiber optic cables and related apparatus|
A connector with at least one multi-core fiber (mcf) and method of attaching the mcf within the connector, includes inserting a first end of a mcf into a ferrule of a connector. Then, rotating the end of the mcf within the ferrule until a first selected satellite core of the mcf is in a first alignment relative to a feature of the connector.
|Optical position-measuring device|
The present invention relates to an optical position-measuring device for generating a plurality of phase-shifted scanning signals regarding the relative position of a fiber optic scanning head and a reflection measuring standard movable relative thereto in at least one measuring direction. In the fiber optic scanning head, a scanning reticle is disposed before the measuring standard end of an optical fiber.
|Interferometer employing a multi-waveguide optical loop path and fiber optic rotation rate sensor employing same|
An interferometer employed, in part, as a sagnac interferometer or fiber optic gyro (fog) includes a light source that provides a source light wave that is split into first and second light waves that are directed to traverse a defined optical loop path in opposite directions. The defined optical loop path in accordance with the present invention is provided by multiple waveguides wound into a coil such that the opposite traveling first and second light waves serially travel through all of the waveguides in opposite directions around the optical loop path..
|Micro positioning test socket and methods for active precision alignment and co-planarity feedback|
Methods and structures for testing a microelectronic packaging structure/device are described. Those methods may include placing a device in a floating carrier, wherein the floating carrier is coupled to a socket housing by pin dowels disposed in four corners of the socket housing, and wherein at least two actuating motors are disposed within the socket housing, and micro adjusting the device by utilizing a capacitive coupled or a fiber optic alignment system wherein a maximum measured capacitance or maximum measured intensity between alignment structures disposed in the socket housing and alignment package balls disposed within the device indicate optimal alignment of the device.