Abstract: 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. A beam expanding element is generally adjacent the front face of the ferrule body and has a lens array aligned with the optical fibers. An index matched resilient medium engages the rearwardly facing surface of the beam expanding element and the end faces of the optical fibers.

Abstract: A connector to connect a fiber bundle probe to a light injection module including a tightening cam having an opening of a specified shape adapted to receive the fiber bundle probe, a cam driving coupled to the tightening cam, wherein the tightening cam is configured to translate in response to rotation of the cam driving until the tightening cam is blocked, at least one spring extending between the tightening cam and the cam driving, wherein the at least one spring is configured to resist when the cam driving is actuated by rotation and the tightening cam is blocked, and a locking mechanism to lock the cam driving into a selected position.

Abstract: An optical connector (1) for transferring light sent by fibers (2) and comprises a resin body (10) and a plurality of lenses (11), the resin body (10) includes a bottom surface (102), a top surface (101) opposite to the bottom surface (102), a front surface (103) connecting the top surface (101) and the bottom surface (102), and a slant surface (105) forms an angle with the front surface (103) and the top surface (101), the lenses (11) are set on the slant surface (105), the resin body (10) further includes a first recess (1011) recessed from the top surface (101) to the inner of the resin body (10), when the fibers (2) was assembled to the optical connector (1), the fibers (2) locate in the first recess (1011) and the optical connector (1) further includes optical cement (3) filled in the first recess (1011).

Abstract: Systems and methods may couple on-chip optical circuits to external fibers. An SOI waveguide structure may include mirror structures and tapered waveguides to optically couple optical circuits to fibers in a vertically oriented external connector. The mirror structure(s) may be angularly disposed at the ends of the silicon waveguide structure. An oxide layer may cover a buried oxide layer and the silicon waveguide structure. The tapered waveguide(s) may have a narrow end and a wide end. The narrow end of the tapered waveguide(s) may be disposed above the mirror structures. The tapered waveguide(s) may extend through the oxide layer from the narrow end in a direction perpendicular to the silicon waveguide structure. An external connector may fit over the tapered waveguide(s) and uses a fiber array traveling through a connector body to optically couple to the external fiber.

Abstract: Gradient index (GRIN) lens assemblies employing lens alignment channels, as well as fiber optic connectors and fiber optic cable assemblies employing such GRIN lens assemblies, are disclosed. In one embodiment, a GRIN lens assembly includes a lens holder body having a mating face, a surface extending from the mating face, and a lens alignment channel. The lens alignment channel is defined by a narrow portion extending from the surface to a first depth and at least partially along a length of the surface, and a wide portion extending from the narrow portion to a second depth. A lens opening defined by the wide portion of the lens alignment channel at the mating face is disposed in the mating face. The wide portion of the lens alignment channel is configured to support a GRIN lens disposed in the lens alignment channel.

Abstract: An optical connector (1) for transferring light sent by fibers (2) and comprises a resin body (10) and a plurality of first lenses (11) and second lenses (12), the resin body (10) includes a bottom surface (102), a top surface (101) opposite to the bottom surface (102), a front surface (103) connecting the top surface (101) and the bottom surface (102), a first slant surface (106) and a second slant surface (105) form an angle with the bottom surface (102), the first lenses (11) are set on the first slant surface (106), the second lenses (121) are set on the second slant surface (105), the projections of the first lenses (11) and second lenses (12) that projected on the bottom surface (102) are not aligned with each other.

Abstract: Gradient index (GRIN) lens chips and associated small form factor optical arrays for optical connections, and related fiber optic connectors are disclosed. By aligning GRIN lenses within a GRIN lens chip, a more precise and reliable alignment may be achieved with respect to optical fibers than if a single conventional ferrule is utilized to align and secure both GRIN lenses and optical fibers. The GRIN lens chip may include a GRIN lens received and thereby aligned within a groove disposed between a fiber end and a terminal end of a GRIN lens holder body. The optical fibers may also be received and thereby aligned within a groove of a ferrule body. In this manner, when the GRIN lens chip containing the GRIN lenses is aligned with a ferrule body containing the optical fibers, then the GRIN lenses may be precisely located relative to the optical fibers.

Abstract: Disclosed are optical connections having a coupling portion that includes a piston and a magnet along with complimentary optical connections. In one embodiment, the optical connection includes an optical interface portion having at least one optical channel and a coupling portion. The coupling portion includes a piston that is movable between a first position and a second position, a resilient member for biasing the piston to the first position and a magnet for retaining the piston at the second position. In one embodiment, the piston may be disposed in a body of the optical connection. The piston may be formed from a ferrous material and since it is not magnetic it does not attract metal trash; however, it still allows coupling (e.g., mating) of optical connections using magnetic retention. Additionally, the piston may optionally include a cover portion if desired.

Abstract: An optical connector includes a printed circuit board (PCB), an optical-electric coupling element, a jumper, and optical fibers. The optical-electric coupling element is attached on the PCB. The jumper is detachably positioned on the optical-electric coupling element. The optical-electric coupling element includes first coupling lenses. The jumper includes a first external sidewall, a second external sidewall, a third external surface, and a fourth external surface. The first external sidewall defines receiving holes. Each optical fiber is received in a respective receiving hole. The third external surface defines a sloped surface extending from the third external surface to the first external sidewall. The third external surface and the sloped surface form an angle therebetween. The fourth external surface defines a cavity. The jumper includes second coupling lenses positioned on a bottom surface of the cavity. Each second coupling lens is aligned with a respective first coupling lens.

Abstract: The invention provides improved multi-fiber, fiber optic probe assemblies in which the component parts are adapted for rapid assembly with precise alignment. Some embodiments are adapted to illuminate and collect light from a sample at a particular depth while minimizing interference arising from within the probe assembly itself. Also provided are methods for manufacturing the probe assemblies and optical apparatuses including the probe assemblies.

Abstract: Reconfigurable fiber optic cable assemblies and optical connectors are disclosed. According to one embodiment, a fiber optic cable assembly includes an optical cable having a connector end and a plurality of optical fibers, a connector housing wherein the plurality of optical fibers are disposed within the connector housing, and an optical interface to which the plurality of optical fibers is optically coupled.

Abstract: A ferrule structure including a ferrule having an end face shape configured to incorporate at least a portion of a lens attached to an end of an optical fiber. The end face includes a cavity in which a circumference of the cavity is equal to or less than the outer diameter of the ferrule and larger than in inner diameter of an opening in the ferrule housing an optical fiber.

Abstract: An optical connector includes a base including a main body and a number of optical elements, and a number of optical fibers. The main body includes a first surface, a third surface perpendicularly connecting the first surface, and a fourth surface facing away the third surface, and defines a number of slots, which is perpendicular to the third surface, in the in the first surface. The slots run through the third surface. Each of the slots includes a regular wide first section and a second section connecting the first section and running through the third surface. Each of the second section tapers from the third surface to the first section. The optical elements are formed on the fourth surface and aligned with the slots. The optical fibers are slid and fitted in the first sections, guided by the second sections.

Abstract: An optical fiber connector includes an optical cable and a connector body connected to the optical cable. The connector body includes a shell, a PCB, photoelectric elements, and a coupler. The shell includes a receiving portion and a plug portion connected to the receiving portion. The receiving portion defines a receiving space therein, and the plug portion defines an opening communicating with the receiving space. The receiving portion includes a bottom plate and an opposite top plate. The receiving portion defines a connecting hole in the top plate and communicating with the receiving space, and an end of the optical cable is received and fixed in the connecting hole. The PCB includes a mounting end positioned in the receiving portion and an insertion end extending to the plug portion through the opening. The photoelectric elements are positioned on the mounting end and faces toward the top plate.

Abstract: Dense shuttered fiber optic connectors and assemblies suitable for establishing optical connections for optical backplanes in equipment racks are disclosed. In one embodiment, a fiber optic connector assembly is provided. The fiber optic connector assembly comprises a fiber optic connector. The fiber optic connector assembly also comprises a slideable shutter disposed in the fiber optic connector. The slideable shutter has an opening(s) configured to be aligned with a plurality of lenses disposed in the fiber optic connector in an open position, and configured to block access to the plurality of lenses disposed in the fiber optic connector in a closed position. The fiber optic connector assembly also comprises an actuation member coupled to the slideable shutter configured to move the slideable shutter from the closed position to the open position.

Abstract: Embodiments disclosed herein include fiber optic connectors employing a movable optical interface connected by optical fibers to a fiber optic cable, components and methods. In one embodiment, the movable optical interface moves between an extended position for cleaning by the user of the movable optical interface and a retracted position to optically connect the fiber optic connector to an optical device in a mechanically-secure manner. Because the fiber optic cable employs the movable optical interfaces, embodiments described herein involve one or more fiber protection features to prevent optical fiber attenuation and/or damage to the end portions of the optical fibers.

Abstract: An optical fiber head includes an optical fiber, a lens, and a casing which accommodates and holds the optical fiber and the lens. The casing has a crimping portion which accommodates and holds the optical fiber when a part of the crimping portion in the axial direction of the casing is plastically deformed such that the crimping portion is virtually equally reduced in diameter in a circumferential direction. The part of the optical fiber which is held by the crimping portion has a coating to coat the core wire. The crimping portion is provided at a back end side of the casing at a distance from the place where a leading end face of the optical fiber is positioned along the axial direction of the casing.

Abstract: A cartridge receptacle for receiving at least one cartridge, the cartridge having at least one ferrule and a lens. The receptacle includes at least one bore for receiving the cartridge and an end face on the lens side, the end face lying perpendicularly to an optical axis of the cartridge.

Abstract: In part, the invention relates to optical caps having at least one lensed surface configured to redirect and focus light outside of the cap. The cap is placed over an optical fiber. Optical radiation travels through the fiber and interacts with the optical surface or optical surfaces of the cap, resulting in a beam that is either focused at a distance outside of the cap or substantially collimated. The optical elements such as the elongate caps described herein can be used with various data collection modalities such optical coherence tomography. In part, the invention relates to a lens assembly that includes a micro-lens; a beam director in optical communication with the micro-lens; and a substantially transparent film or cover. The substantially transparent film is capable of bi-directionally transmitting light, and generating a controlled amount of backscatter. The film can surround a portion of the beam director.

Abstract: An optical connector for operation within a temperature range, comprising: (a) a ferrule comprising a first material having a coefficient of thermal expansion COE-1, and a diameter no greater than a diameter d1 below a transition temperature Ts within the temperature range and no less than a diameter d2 above Ts; (b) a spring disposed behind and in contact with the ferrule to apply a forward force to the ferrule; and (c) a housing comprising a second material having a coefficient of thermal expansion COE-2 and defining a bore hole having a diameter greater than d2, and an interface having a restricted bore hole having a diameter no greater than a diameter d3 below Ts, and no less than a diameter d4 above Ts, wherein connector configuration is COE-2>COE-1 with d>d3 and d2<d4 or COE-2<COE-1 with d1<d3 and d2>d4.

Abstract: A fiber optic interface device with a bent optical path has a ferrule with a body having front and rear ends and an internal cavity adjacent the front end and defined by a rear wall and a bottom wall. The bottom wall defines at least one lens. The device includes at least one optical waveguide that defines the bent optical path. The ferrule supports at least one optical waveguide so that the bent optical path resides within the cavity, with the fiber end being operably aligned with the at least one lens. A fiber optic interface assembly is formed by mating the device with a second fiber optic interface device.

Abstract: An optical cable assembly is provided for being connected to an opto-electric device assembly having a substrate, an opto-electric device (OED) mounted on the substrate, and a frame mounted on the substrate. The optical cable assembly includes an optical cable including an optical conductor having an end. A ferrule terminates the optical cable. The ferrule includes a body having a chamber. The optical conductor is held by the ferrule such that at least a portion of the end of the optical conductor extends within the chamber of the body of the ferrule. The body of the ferrule is configured to be engaged with and removably connected to the frame of the electro-optical device assembly to optically connect the optical conductor to the OED.

Abstract: An apparatus for providing single mode optical signal coupling between an opto-electronic transceiver and a single mode optical fiber array takes the form of a lens array and a ferrule component. The lens array includes a plurality of separate lens element disposed to intercept a like plurality of single mode optical output signal from the opto-electronic transceiver and provide as an output a focused version thereof. The ferrule component includes a plurality of single mode fiber stubs that are passively aligned with the lens array and support the transmission of the focused, single mode optical output signals towards the associated single mode optical fiber array.

Abstract: There is provided an optical connector module in which an adhesive is interposed between a lens and a distal surface of an optical fiber, wherein the module includes a transparent positioning device and an optical fiber fixed in the positioning device. The positioning device has a lens provided to an end surface, a concave insertion portion into which the optical fiber is inserted and which is disposed so that the bottom surface in contact with the distal surface of the optical fiber is positioned opposite the lens, and a debris receiving portion that extends from the bottom surface in a radial direction of the optical fiber and has a surface continuous with the bottom surface.

Abstract: A terminus for a fiber optic cable includes a ferrule. In one embodiment, an optical fiber of the cable passes through a central bore of the ferrule and is attached to a lens seated in a conical or cylindrical seat formed in an end surface of the ferrule by an epoxy. In a second embodiment, an optical fiber of the cable passes through the central bore of the ferrule. Next, a cap sleeve with a lens therein is slid over and attached to the ferrule such that the lens abuts or is attached to the optical fiber. In either embodiment, an inspection slot may optionally be formed in the ferrule and/or the cap sleeve to allow a technician to inspect the state of the attachment and/or abutment and/or spacing of the optical fiber and the lens.

Abstract: The present invention relates to an apparatus for wavelength-division multiplexing and demultiplexing, to an optical communication module, and to an optical device. The apparatus for wavelength-division multiplexing and demultiplexing comprises: a first lens block having a lens array at one side thereof; a second lens block having a lens surface corresponding to the lens array and combined with the other side of the first lens block; a receptacle having an optical fiber ferrule fixed at the center thereof and stacked on the second lens block; and a base combined with one side of the first lens block, wherein the first block is stacked on the base.

Abstract: An optical fiber connecting part has a ferrule, and a guide bore penetrating through the ferrule and configured to guide an optical fiber to be inserted. The guide bore has a first bore provided at one end of the ferrule, through which the optical fiber is inserted into the ferrule, a second bore provided at another end of the ferrule, the second bore having an inner diameter smaller than an inner diameter of the first bore, and an intermediate bore provided between the first bore and the second bore to directly connect between the first bore and the second bore. A center axis of the second bore is shifted from a center axis of the first bore.

Abstract: Optical fiber ferrules with complementary mating geometry that are suitable for making optical connections are disclosed along with fiber optic connectors and cable assemblies using the same. In one embodiment, the fiber optic ferrule includes a body having a plurality of optical pathways and a mating geometry that includes at least one slot monolithically formed in the body of the fiber optic ferrule. The slot of the ferrule permits a relatively high number of mating/unmating cycles without generating excessive wear and debris, thereby making it suitable for consumer electronic devices or the like. The disclosure is also directed to fiber optic connectors and cable assemblies using the ferrule.

Abstract: Optical fiber ferrules with complementary mating geometry that are suitable for making optical connections are disclosed along with fiber optic connectors and cable assemblies using the same. In one embodiment, the fiber optic ferrule includes a body having a plurality of optical pathways and a mating geometry that has at least one guide pin that is monolithically formed in the body of the fiber optic ferrule and at least one spring retention feature disposed on a rear portion of the ferrule. The ferrule reduces the number of parts required for a fiber optic connector and allows quick and easy assembly. The disclosure is also directed to fiber optic connectors and cable assemblies using the ferrule.

Abstract: Optical couplings for optically coupling one or more devices are disclosed. According to one embodiment, an optical coupling includes an optical coupling body, an optical interface, and a coded magnetic array located at the optical coupling body. The coded magnetic array has a plurality of magnetic regions configured for mating the optical interface. The optical coupling further includes a reflective surface within the optical coupling body and positioned along an optical path of the optical coupling body. The reflective surface is operable to redirect an optical signal propagating within the optical coupling body such that it propagates through the optical interface. The optical coupling may be configured as a plug, such as a plug of a connector assembly, or as a receptacle, such as a receptacle on an electronic device.

Abstract: An active optical connector using an audio port includes a plug insertable into a jack having an optical transceiver module. A conductor is mounted on the plug. Optical fibers extend through a central bore of the plug and have front ends held in a fiber ferrule. The jack has a terminal for contacting the conductor on the plug. The optical transceiver module has a receptacle for receiving the fiber ferrule. A light source emits light to an optical fiber, and a photo-detector receives light from another optical fiber. A controller chip has a converting circuit configured to convert electrical signals into optical signal and optical signals into electrical signals.

Abstract: A unitary fiber optic ferrule reflects light off an interior lens and through the fiber optic ferrule. Optical fibers can be easily secured in the unitary fiber optic ferrule. An adapter to secure the unitary fiber optic ferrule to a optical component assembly is also presented. The adapter provides a sealing function for the lenses and to provide routing for optical fibers from other assemblies of unitary fiber optic ferrules and adapters.

Abstract: A fiber optic connector has a connector body, an elongated ferrule supported in the connector body, and a sleeve fixed on the circumference of a distal tip of the ferrule. The ferrule has an axial passage that opens on a front surface of the tip so that an endface of a fiber retained in the passage is exposed at the front surface. Further, the sleeve has a leading edge that projects a determined distance axially beyond the front surface of the tip to form a recessed region in which the exposed endface of the fiber is set back from the leading edge of the sleeve. A barrier is contained in the recessed region for protecting the fiber endface from damage by surrounding objects. The barrier may include a cured epoxy layer, a lens, or a refractive index matching material optically aligned with the fiber endface.

Abstract: An optical fiber connector apparatus may include a ferrule having a hollow through its center. The hollow is sized and shaped to receive an optical fiber such that an end of each of the optical fiber is located at an endface of the ferrule. The endface of the ferrule is partitioned into a first section and a second section. The first section is perpendicular to an axis of the ferrule and the second section is angled with respect to the first section. When the connector is assembled, the ferrule can butt couple to a similarly configured second ferrule such that the perpendicular second portions of the endfaces of the ferrules are physically touching. The angle of the angled portions sets a distance between portions of the endfaces corresponding to endfaces of optical fibers received in the ferrules thereby setting a gap between the fiber endfaces.

Abstract: A terminus for a fiber optic cable includes a ferrule. In one embodiment, an optical fiber of the cable passes through a central bore of the ferrule and is attached to a lens seated in a conical or cylindrical seat formed in an end surface of the ferrule by an epoxy. In a second embodiment, an optical fiber of the cable passes through the central bore of the ferrule. Next, a cap sleeve with a lens therein is slid over and attached to the ferrule such that the lens abuts or is attached to the optical fiber. In either embodiment, an inspection slot may optionally be formed in the ferrule and/or the cap sleeve to allow a technician to inspect the state of the attachment and/or abutment and/or spacing of the optical fiber and lens.

Abstract: The device which enables a physical contact fiber optic connector into an expanded beam connector includes a fiber stub, an aspherical lens, and a housing. The fiber stub includes a stub body and a discrete length of optical fiber retained by the stub body. The housing retains the fiber stub and the aspherical lens so that the discrete length of optical fiber of the fiber stub is in optical communication with the aspherical lens.

Abstract: An optical connector having a front and back orientation, the connector comprising: (a) a ferrule comprising a first material having a first coefficient of thermal expansion (COE), and having a first diameter at a first temperature, and a second diameter at a second temperature, the ferrule also comprising an endface; (b) a housing comprising a second material having a second COE, the housing having a restricted borehole having a third diameter at the first temperature, and a fourth diameter at the second temperature; (c) a resilient member disposed in the housing and in contact with the ferrule to apply a forward urging force to the ferrule; (d) wherein the connector has a first and second configuration, in the first configuration, the second COE is greater than the first COE, the first diameter is greater than the third diameter such that the connector is in an interference state at the first temperature, and the second diameter is less than the fourth diameter such that the connector is in a clearance stat

Abstract: An optical fiber connector includes a housing, and two lenses. The housing defines two first blind holes each configured for receiving an optical fiber. The two lenses are formed on the housing and each of the lenses is aligned with a corresponding first blind hole. The two second blind holes are defined on the housing and each of the second blind holes run through the housing to the bottom of a corresponding first blind hole allowing air in the first blind hole vent out when the optical fiber is inserted into the first blind hole.

Abstract: An exemplary fiber optic connector includes four converging lenses and a main body. The four converging lenses each includes a base portion and two engaging portions protruding from the base portion. The main body includes a first surface and a second surface at two opposite sides thereof. The first surface has four first receiving holes defined therein for receiving four respective optical fibers. The second surface has four second receiving holes aligning with the four respective first receiving holes defined therein. In addition, the main body defines an inner surface in each second receiving hole and two first slots in the inner surface. Each second receiving hole is configured for fixedly receiving the base portion of corresponding converging lens with the two engaging portions engaging in the two first slots.

Abstract: An eye safety mechanism for use with a bi-directional data cable having an electrical interface at least one (but potentially both) ends, despite the fact that the cable communicates over much of its length using a bi-directional optical channel. Upon power-up, the eye safety mechanism determines whether or not a loss of signal condition is present on an optical receive channel of the bi-directional data cable. If the loss of signal is present, the mechanism intermittently disables the optical transmit channel of the bi-directional data cable. On the other hand, if the loss of signal is not present, the mechanism enables the optical transmit channel of the bi-directional data cable without intermittently disabling transmission at least for most of the time until the next time a loss of signal is detected on the optical receive channel.

Abstract: A receptacle ferrule assembly for a fiber optic receptacle connector. The receptacle ferrule assembly comprises a first lens with first second optical surfaces and a receptacle ferrule body having first and second ends. At least one monolithic optical system is formed in a monolithic receptacle ferrule body and includes a lens formed at the second end of monolithic receptacle ferrule body and an optical surface formed at the first end of monolithic receptacle ferrule body. The optical surface is situated adjacent to, and mated to the second optical surface of the first lens The monolithic optical system is configured, in conjunction with the first lens, to define a receptacle optical pathway from the second end of the monolithic optical system to the first surface of the first lens. According to some embodiments the first lens is a gradient index lens.

Abstract: An optical fiber connector includes a number of optical fibers, a body, a number of supports and a cover. The body includes a number of lens portions at a first end thereof, a number of through holes at an opposite second end, and a recess located between the lens portions and the through holes. The through holes are in communication with the recess. The optical fibers extend through the respective through holes and terminate at the respective lens portions. The supports are formed in the recess. Each support supports and retains a portion of the corresponding optical fiber exposed in the recess. The cover is inserted in the recess. The cover and the supports cooperatively securely sandwich the exposed portions of the optical fibers in the body.

Abstract: A fiber optic rotary joint has at least one fiber optic collimator. The fiber optic collimator has a plurality of lenses on a micro lens array. Furthermore a plurality of optical fibers are attached to the micro lens array. The fibers are further fixed by a fiber support. A spacer is provided between the micro lens array and the fiber support, setting the micro lens array and the fiber support apart from each other. The optical fibers have between the micro lens array and the fiber support a excess length greater than the distance between the micro lens array and the fiber support. This results in a slight bending of the fibers between the micro lens array and the fiber support. A temperature related extension of parts of the fiber optic rotary joint can be compensated by the excess length and does not lead to mechanical tension on the fibers.

Abstract: Receptacle ferrules with at least one monolithic lens system and fiber optic connectors using same are disclosed. Ferrule assemblies formed by mating plug and receptacle ferrules are also disclosed, as are connector assemblies formed by mating plug and receptacle connectors. The fiber optic connectors and connector assemblies are suitable for use with commercial electronic devices and provide either an optical connection, or both electrical and optical connections. The monolithic optical system defines a receptacle optical pathway having a focus at the receptacle ferrule front end. When a plug ferrule having a plug optical pathway is mated with the receptacle ferrule, the plug and receptacle optical pathways are optically coupled at a solid-solid optical pathway interface where light passing therethrough is either divergent or convergent, and where unwanted liquid is substantially expelled.

Abstract: The invention improves work efficiency of assembly from that of the past, and suppresses decrease in coupling efficiency between an optical fiber and a photoelectric conversion element. An optical fiber connector is composed of two components: an optical system component, such as an optical fiber attachment hole and a convex lens, having an area related to an optical system; and a holder, such as a bottom flat surface of a stopper receiving section, a male screw, and a flange, having an area unrelated to the optical system. The optical fiber connector is formed by the optical system component being assembled to the holder.

Abstract: A small form factor pluggable (SFP) optical transceiver module and method for performing optical communications are provided. The SFP optical transceiver module has a housing to which a duplex receptacle is secured. The duplex receptacle has a C-shaped opening, the upper and lower portions of which are defined by upper and lower flexible retaining elements for receiving and retaining a duplex optical connector therein. An electrical assembly of the module is secured within the transceiver module housing. The electrical assembly comprises a PCB, the back end of which is configured as a plug end for removably plugging the PCB into a receptacle of an external communications management system.

Abstract: A connector to connect a fiber bundle probe to a light injection module including a tightening cam having an opening of a specified shape adapted to receive the fiber bundle probe, a cam driving coupled to the tightening cam, wherein the tightening cam is configured to translate in response to rotation of the cam driving until the tightening cam is blocked, at least one spring extending between the tightening cam and the cam driving, wherein the at least one spring is configured to resist when the cam driving is actuated by rotation and the tightening cam is blocked, and a locking mechanism to lock the cam driving into a selected position.

Abstract: An optical couple connector includes a first main body and a second main body. A through hole is defined in the first main body. A blind hole and a lens are defined in the second main body. The diameter of the blind hole is less than that of the through hole. The through hole is coaxial with the blind hole and is used to hold an optical fiber. The lens couples to the optical fiber.

Abstract: A laser welding apparatus and method for easily adjusting a laser focusing position according to a distance from a laser irradiating device to a laser irradiating point on a work piece, or a welding point. A post-collimation laser diameter is measured when the laser emitting end has an optimal laser diameter on the work piece with respect to the distance from the laser processing head to the work piece. Corresponding data is stored with the above distance and the post-collimation laser diameter corresponding to each other. During welding, a diameter of the laser beam passing through a collimate lens is measured by a laser diameter measuring device. The post-collimation laser diameter is adjusted to be an optimal value according to the corresponding data.

Abstract: An optical fiber connector includes a housing, and two lenses. The housing defines two first blind holes each configured for receiving an optical fiber. The two lenses are formed on the housing and each of the lenses is aligned with a corresponding first blind hole. The two second blind holes are defined on the housing and each of the second blind holes run through the housing to the bottom of a corresponding first blind hole allowing air in the first blind hole vent out when the optical fiber is inserted into the first blind hole.