801 results about "Optical connectors" patented technology

An optical connector ferrule is a member inside which an optical fiber is secured, and a tip side thereof serves as a connection end surface for an optical fiber. The optical connector ferrule is formed by injection molding, for example, and is formed from polyphenylene sulfide (PPS) resin that contains a filling material (e.g., inorganic fibers or a filler). An internal space is communicated with the tip side of the optical connector ferrule and serves as a hole into which the optical fiber is inserted. Here, the 260° C.×1 minute shrinkage factor of the optical connector ferrule in the present embodiment is 0.13% or less.

A catheter rotary apparatus for OCT includes a rotary junction module and a catheter. The rotary junction module includes a body part including a through part to enable an optical fiber on a sample stage side of OCT system to pass at one end and an optical fiber on a catheter side to pass at the other end, a fiber optic rotary joint provided at one end on the sample stage side of OCT system of the body part and configured to connect the optical fiber on the sample stage side of OCT system and the optical fiber on the catheter side and a catheter. The catheter includes a female type optical connector connected to the male type optical connector, and a cap part clamped to the body part. The cap part includes an outer cap coupled to a through part formed in the body part, an inner cap inserted into the outer cap, and a fixed cap coupled to the female type optical connector and rotated when the female type optical connector is rotated.

The invention discloses a deep-sea photoelectric separator with a liquid leakage identification function and an assembly process thereof, and the separator comprises a photoelectric separator cylinder, a sealing injection molding part, a submarine cable penetration part, a first end cover, a second end cover, a sensor, an optical connector, an electric connector, an electric connection box, and a fiber coiling box. The sensor, the electric connection box and the fiber coiling box are respectively arranged in the photoelectric separator cylinder, an insulating layer at one end of the submarine cable extends into the photoelectric separator cylinder through the submarine cable cabin-penetrating piece, and the sealing injection molding piece wraps the outer wall of the submarine cable cabin-penetrating piece and the insulating layer of a section of submarine cable in front of the outer end of the submarine cable cabin-penetrating piece, so that the sealing effect is improved; the submarine cable is divided into an electric wire part and an optical fiber part at one end in the photoelectric separator barrel, the electric wire part is connected with a tail cable of the electric connector in the electric connection box, the optical fiber part is connected with a tail cable of the optical connector in the fiber coiling box, the sensor is connected to one optical fiber in series, optical power detection is carried out through the sensor, and liquid leakage identification and alarm are achieved.

The invention discloses a testing method of an underwater optical connector plugging testing device, which comprises the following steps of: injecting turbid seawater, pressurizing, adjusting the temperature of the turbid seawater, detecting the minimum plugging pressure of horizontal forward rotation, detecting the minimum plugging pressure of horizontal reverse rotation, detecting the minimum plugging pressure of forward inclination and forward rotation, and detecting the minimum plugging pressure of forward inclination and reverse rotation. And detecting the minimum plugging pressure of the reverse tilt forward rotation, and detecting the minimum plugging pressure of the reverse tilt reverse rotation. The invention relates to a test method of an underwater optical connector plugging test device, which can simulate a complex underwater environment and perform cable connection test.

An optical connector holding two or more LC-type optical ferrules is provided. The optical connector includes an outer body, an inner front body accommodating the two or more LC-type optical ferrules, ferrule springs for urging the optical ferrules towards a mating receptacle, and a back body for supporting the ferrule springs. The outer body and the inner front body are configured such that four LC-type optical ferrules are accommodated in a small form-factor pluggable (SFP) transceiver footprint or eight LC-type optical ferrules are accommodated in a quad small form-factor pluggable (QSFP) transceiver footprint. A mating receptacle (transceiver or adapter) includes internal alignment slots configured to accept a corresponding alignment key on connector outer housing to ensure alignment and orientation for maximum signal transfer between opposing ferrule end faces.

A coupled optic system configured for collimation of light. The coupled optic system includes an optic system. The optic system includes a shelf. The shelf includes one or more optic alignment surfaces. The optic system includes one or more interface lenses coupled to the shelf. The coupled optic system includes an optical connector. The optical connector includes one or more connector lenses. The optical connector includes one or more connector alignment surfaces.

An optical system is provided. The optical system includes an optical engine having a photonic integrated circuit (PIC) and an optical lens array, the optical lens array has a lens that is optically aligned with a waveguide in the PIC. The optical system also includes an optical connector optically aligned with the optical lens array to transfer optical signals between the optical connector and the waveguide in the PIC. The optical connector includes a ferrule and an optical fiber mated with the ferrule. The ferrule has a lens aligned with the lens of the optical lens array.

Provided is a ferrule (100) in which fiber holes (20, 25) for insertion of a plurality of optical fibers are provided in a front end surface (100a), and a boot insertion hole (35) of a boot insertion part (30) for inserting a ferrule boot (102) through which optical fibers are inserted is provided in a rear end surface (100b), wherein the ferrule (100) comprises an internal space that communicates the fiber holes (20) and the boot insertion hole (35), an adhesive filling window (55) of an adhesive filling part (50) for filling the internal space with an adhesive is provided in one surface, the width of the ferrule (100) in the boot insertion part (30) is larger than the width of the ferrule body (10), the ratio of the width to the height of the ferrule (100) in the boot insertion part (30) is 5 or greater, and the wall thickness of the ferrule (100) on the periphery of the boot insertion hole (35) at the thinnest portion thereof is 0.32 mm or greater.

[Problem] A small ferrule, the ferrule being able to simplify a manufacturing process, an optical connector, and a method for manufacturing the optical connector.[Solution] A ferrule (100) according to the present invention is provided with: a plurality of fiber holes (20) for causing a plurality of optical fibers (101a) to protrude, respectively, provided in a front end surface (100a); a plurality of fiber guide holes (25) communicating with back ends of the plurality of optical fiber holes (20) and being parallel to each other; and an optical fiber ribbon insertion hole (35) for inserting an optical fiber ribbon (101) comprising the plurality of optical fibers (101a) in a back end surface (100b) on the reverse side from one end surface. The ferrule (100) has a flange portion (30), and is provided with an internal space in which the plurality of fiber holes (20), the fiber guide holes (25), and the optical fiber ribbon insertion hole (35) communicate with each other, and the ferrule (100) is provided with an adhesive filling window (55) for filling an adhesive (GL) into the internal space in only one surface of the flange portion (35).

Fiber optic connectors, cable assemblies and methods for making the same are disclosed. In one embodiment, the optical connector comprises a housing and a ferrule. The housing comprises a longitudinal passageway between a rear end and a front end. The optical connectors disclosed may be tunable for improving optical performance and may also include a spring for biasing the ferrule to a forward position as desired.

An optical signal device for connecting to a receptacle of an optical motherboard includes an optical module and an optical connector coupled to the optical module. The optical connector attaches to the receptacle of the optical motherboard to optically connect the optical module to the optical motherboard. The optical connector has a first optical interface axis and a second optical interface axis different from the first optical interface axis. The optical connector is configured to convey optical signals to and / or from the optical motherboard along at least one of the first or second optical interface axes.

Fiber optic connectors comprising compact footprints along with cable assemblies and methods for making the same are disclosed. In one embodiment, the optical connector comprises a housing and a ferrule. The housing comprises a longitudinal passageway between a rear end and a front end. The optical connectors disclosed may be tunable for improving optical performance and may include a spring for biasing the ferrule to a forward position as desired.

An optical connector includes a ferrule that has a connection end face and a fiber hole; an embedded fiber that has an insertion portion inserted into the fiber hole, and an extension portion extending from the fiber hole; a connection fiber that is fusion-spliced to the extension portion; a temporary fixing member into which the extension portion is inserted; a heat-shrinkable sleeve that is shrunk by heating, accommodates a connection point of the two fibers, and is fixed to an end portion of the temporary fixing member; a plug frame that has a frame body portion and a regulating portion regulating relative movement of the ferrule with respect to the frame body portion; a tubular stop ring that has a biasing surface, and is locked to the plug frame; and a biasing member that is disposed between the ferrule and the biasing surface and biases the ferrule.

Optical alignment of a receptacle at an aligned position on an optoelectronic device body is accomplished using an alignment optical connector that is demountably attached to the receptacle by matching passive alignment features on the facing surfaces between the receptacle and the alignment optical connector. The device body includes a first row of at least two data optical ports, and a second row of alignment input and output ports parallel to and spaced from the first row of data optical ports by a parallel spacing. The data optical ports communicate with the optoelectronic device. The alignment ports correspond to a loopback waveguide. The aligned position of the receptacle is determined from the loopback waveguide. The receptacle is permanently attached to the device body at this aligned position. A data optical connector is similarly configured as the alignment optical connector, in the manner in which optical fibers are supported to input / output optical signals and with similar passive alignment features, but the passive alignment features are referenced to the optical fibers by an offset equivalent to the parallel spacing between the first and second rows. The second row is same or shorter than the first row. The number of data optical ports is greater or equal to the number of alignment optical ports. The data optical ports and the alignment optical ports are arranged in a 2×N matrix.

The invention discloses a wet plugging optical connector with a cleaning function, which comprises a first connecting terminal and a second connecting terminal, a cleaning assembly is arranged in the first connecting terminal, the cleaning assembly is located between a first optical connecting end and a first cylindrical sealing plug, the cleaning assembly comprises a cleaning cylinder and a cleaning piece, a part of the cleaning piece is wound on the cleaning cylinder, and the cleaning cylinder is connected with the second connecting terminal. And a plurality of cleaning through holes are formed in the cleaning piece. When the first connecting terminal is connected with the second connecting terminal, the second connecting terminal makes contact with the second inner core and pushes the second inner core to move towards the interior of the second shell, the second optical connecting end makes contact with the portion, not provided with the cleaning through hole, of the cleaning piece, and the driving piece drives the cleaning barrel to rotate till the cleaning through hole is opposite to the second optical connecting end. The second optical connection end penetrates through the cleaning through hole and then is in butt joint with the first optical connection end. Therefore, the first optical connection end can be cleaned through the cleaning piece, and the cleaning through hole is opposite to the second optical connection end after cleaning, so that the second optical connection end penetrates through the cleaning through hole to be in butt joint with the first optical connection end.

A system includes a substrate on which a data processor and a connector block are mounted. The connector block has a first array of electrical connectors on a first surface, and a second array of electrical conducts on a second surface that is oriented at an angle between 45° to 135° relative to a main surface of the substrate. At least a portion of the first array of electrical connectors are electrically coupled to the data processor, and the second array of electrical contacts are electrically connected to the electrical contacts of a pluggable module. The pluggable module includes an optical module, at least one first optical connector, a first fiber optic cable optically coupled between the optical module and the first optical connector, and a fiber guide positioned between the optical module and the first optical connector and provides mechanical support for the optical module and the first optical connector.

The present disclosure includes a ferrule for a fiber optic connector and related connectors, methods, and assemblies. The ferrule may include a body defining an end face, a top side and a bottom side defining a height dimension of the body therebetween with a longitudinal axis of the ferrule defined perpendicular to the height dimension. The body may include an optical region defining at least one fiber-side light-permeable surface and at least one end-side light-permeable surface. The at least one end-side light-permeable surface may be defined along the end face. In some embodiments, the body may include at least one light-turn surface configured to reflect optical signals from the at least one fiber-side light-permeable surface towards the at least one end-side light-permeable surface at a nonzero angle relative to the longitudinal axis, and the optical region may be configured to at least partly focus the optical signals.

An apparatus for aligning a fiber array unit (FAU) connector with a photonic integrated circuit (PIC) includes an aligner having a front section and a bottom section respectively joined with two side sections spaced apart by a first distance. The front section and the bottom section are partially removed to expand a semi-confined open space between the two side sections for receiving a shelf extended out beyond a lens at a side edge of a PIC chip. The shelf has an alignment feature associated with the lens. The front section is configured as a support bar positioned on a surface of the PIC chip. The semi-confined open space between the two side sections allows a body of the FAU connector to be loaded down from top to sit on the shelf in the semi-confined open space and be aligned with the lens through the alignment feature.

An optical connector (1A) comprises a ferrule (10) that has a connection end surface (10a) and a fiber hole (11) that is open in the connection end surface, a plurality of optical fibers (21) that are inserted into the fiber hole, and an adhesive (30) that fixes the plurality of optical fibers to the ferrule, each of the plurality of optical fibers having a small-diameter part (21a), a large-diameter part (21b) that has a larger diameter than the small-diameter part, and a tapered part (21c) that is positioned between the small-diameter part and the large-diameter part, the adhesive including a first adhesive (31) and a second adhesive (32) having a Young's modulus smaller than that of the first adhesive, the ferrule having a first filling hole (12) communicating with the fiber hole and filled with the first adhesive, and a second filling hole (13) communicating with the fiber hole and filled with the second adhesive, the first filling hole being arranged closer to the connection end surface side than the second filling hole, the first filling hole being arranged at a position overlapping the small-diameter part in the longitudinal direction of the fiber hole, and the second filling hole being arranged at a position overlapping the small-diameter part or the tapered part in the longitudinal direction.

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. The connector sleeve has one or more orientation features that cooperate with one or more orientation features inside the female coupling housing. The crimp body has a first shell and a second shell for securing the connector assembly at a front end of the shells and a cable attachment region rearward of the front end for securing a cable.

An end part structure for an optical connector includes a ferrule having a connection end face and a fiber hole into which an optical fiber is inserted up to the connection end face, a spring disposed at a rear side of the ferrule in a longitudinal direction of the fiber hole, a spring push that surrounds the optical fiber, a housing that accommodates the ferrule and the spring and to which the spring push is locked such that the ferrule is biased forward by the spring, a braided tube mounted on the spring push, and a fixing member that fixes the braided tube to the spring push. The spring is sandwiched between the spring push and the ferrule in the longitudinal direction.

Devices such as terminals comprising connection ports with associated securing features and methods for making the same are disclosed. In one embodiment, the device comprises a shell, at least one connection port, and at least one securing feature. The at least one connection port is disposed on the terminal with the at least one connection port comprising an optical connector opening extending from an outer surface of the terminal to a cavity of the terminal and defining a connection port passageway. The securing feature is associated with the connection port passageway and is biased by a resilient member having a predetermined pre-load restoring force to the retain position.

A ferrule (1) for an optical connector is a member in which an optical fiber is fixed, and the tip side becomes a connection end surface (7) of the optical fiber. Furthermore, the ferrule (1) for an optical connector is formed from a PPS (polyphenylene sulfide) resin containing a filler (for example, inorganic fibers or a filler), for example, by injection molding. The internal space (13) communicates with the front end side of the ferrule (1) for the optical connector and serves as a hole (9) through which an optical fiber is inserted. The ferrule (1) for an optical connector according to the present embodiment has a shrinkage rate of 0.13% or less at 260 DEG C for 1 minute.

An example test system includes a probe card configured to contact a device under test (DUT); a module including a first optical connector configured to contact a second optical connector on the DUT, with the first optical connector being for a fiber optic cable; and a motion system configured to move into, and out of, contact with the module. When the motion system is in contact with the module, the motion system is configured to move the module relative to the DUT in order to align the first optical connector to the second optical connector.

An optical waveguide, which is to be optically connected to an optical connector to be connected, is disposed at a substantial center of a width direction of an optical connector. Also, magnets are disposed on both sides of the width direction of the optical connector with the optical waveguide in between. Polarities of the magnets disposed adjacent to each other in the one optical connector and in the other optical connector, which is adjacent to the one optical connector, are different from one another. When connecting the one optical connector to another optical connector, the magnets of the one optical connector and magnets of the other optical connector can attract each other to be connected, and it is also possible to cause the magnets of the other optical connector adjacent to the magnets of the one optical connector to repel the magnet of the other optical connector.

A ferrule for an optical connector includes: a ferrule main body that includes fiber holes that extend in a front-rear direction, that are disposed in a left-right direction, and into which optical fibers are inserted, a guide hole into which a guide pin is inserted, and a recessed portion recessed from a rear end surface of the ferrule main body toward a front side on which a connection end surface of the ferrule main body is disposed in the front-rear direction. A vertical direction is perpendicular to both the front-rear direction and the left-right direction. Rear end portions of the fiber holes open at a bottom surface of the recessed portion. The bottom surface includes a first inclined surface inclined toward the fiber holes in a direction toward the front side.

A photonic assembly includes: a composite die including a photonic integrated circuits (PIC) die and an electronic integrated circuits (EIC) die, the PIC die including waveguides and photonic devices therein, and the EIC die including semiconductor devices therein; an optical connector unit including a first connector-side mirror reflector and a first transition edge coupler and attached to a top surface of the composite die, wherein the first connector-side mirror reflector is configured to change a beam direction between a vertically-extending beam path through the composite die and a horizontally-extending beam path through the first transition edge coupler; and a fiber array units assembly attached to a sidewall of the optical connector unit.

To provide an optical connector capable of easily and detachably fitting an optical fiber to an optical integrated circuit.SOLUTION: An optical connector 5 for connecting an optical integrated circuit 3 and an optical fiber 40 together, comprises: a plug member 7 fitted to the optical fiber 40; a receptacle member 6 arranged on the optical integrated circuit 3 and connected to the plug member 7 to transmit light L between the optical integrated circuit 3 and optical fiber 40; and a lock mechanism 9 which switches between a locked state in which the plug member 7 and receptacle member 6 stay connected and an unlocked state in which the plug member 7 and receptacle member 6 are attachable / detachable.SELECTED DRAWING: Figure 14

An optical connector holding two or more LC-type optical ferrules is provided. The optical connector includes an outer body, an inner front body accommodating the two or more LC-type optical ferrules, ferrule springs for urging the optical ferrules towards a mating connection, and a back body for supporting the ferrule springs. A removable inner front body for polarity change is disclosed. A multi-purpose rotatable boot assembly for polarity change is disclosed. The multi-purpose boot assembly can be pushed and pulled to insert and remove the micro connector from an adapter receptacle.