634 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.

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.

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.

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.

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.

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

A system includes a housing having a front panel, a substrate that is positioned at a distance from the front panel, and a data processor mounted on the substrate. The system includes a pluggable module having 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 optical module receives optical signals from the first optical connector and generates electrical signals based on the received optical signals, and the electrical signals are transmitted to the data processor. The pluggable module has a shape that enables the pluggable module to pass through an opening in the front panel to enable the optical module to be coupled to the substrate.

According to the present disclosure, an optical connector (20) is attached to an optical transmission line (10) including a base body (11) and an optical waveguide (12) stacked on the base body (11). The optical connector (20) has a first side surface (A1) facing an end of the optical transmission line (10) and a second side surface (A2) located on a side opposite to the side on which the first side surface (A1) is located in a light propagation direction and includes at least one first lens (225) formed in the first side surface (A1) so as to face an end surface of the optical waveguide (12) and multiple second lenses (226) formed at positions on the second side surface (A2), the positions facing the first lens (225) in the light propagation direction. The first lens (225) is smaller in number than the second lenses (226).

A ferrule includes a holding part, a first surface and a second surface. The holding part includes a first holding recess including the first surface and a third surface facing the first surface, a first wall, at least one through hole that is open at the third surface and a fourth surface, the fourth surface being located on a side on which the plurality of optical transmission members is inserted, and a plurality of first grooves disposed at the first holding recess along an extending direction of the plurality of optical transmission members, the plurality of optical transmission members inserted to the at least one through hole is respectively disposed at the plurality of first grooves.

An optical connector includes a connector sub-assembly, an inner housing that receives a rear portion of the connector sub-assembly, a boot extending from the inner housing, and an outer housing coupled to the boot. The outer housing and the boot are configured to allow relative rotation about a longitudinal axis of the optical connector but can move together along the longitudinal axis. The boot can be rotated relative to the inner housing between a locked position in which the outer housing is prevented from moving axially and depressing the end portion of a latch arm of the connector sub-assembly, and an unlocked position in which the outer housing can move axially to depress the end portion of the latch arm.

The invention discloses a preparation method of a high-precision glass through hole based on PTR glass. Comprising the following steps: step 1, carrying out high-temperature melting, casting molding and annealing treatment on a glass raw material to obtain a PTR glass substrate; 2, cutting the PTR glass substrate, polishing the two surfaces of the PTR glass substrate, and carrying out patterning exposure by utilizing ultraviolet light and a mask to obtain exposed glass; 3, carrying out gradient heat treatment on the exposed glass to obtain microcrystalline glass; and step 4, etching the microcrystalline glass in a hydrofluoric acid solution to obtain the glass through hole with the high depth-diameter ratio. The method has the beneficial effects that by optimizing the material formula and the technological process, the problems that in a traditional method, the hole diameter is not uniform, the inner wall is rough and the machining cost is high are solved, and the through hole machining precision, stability and the depth-diameter ratio are remarkably improved. The method is suitable for the fields of microelectronic packaging, optical connectors, high-frequency devices, microfluidic chips and the like, and has a wide industrial application prospect.

A silicon photonic bridge and method of manufacturing an integrated circuit semiconductor package may be provided. The system may include an interposer layer formed from a combination of organic and inorganic materials. The silicon photonic bridge may be embedded within the interposer layer. The silicon photonic bridge may include an electrical integrated circuit (IC) configured to process electrical signals and drive the photonic IC (PIC), and a PIC configured to process optical signals, an optical connector element(s) configured to interface the PIC with fiber and a silicon bridge configured to interface between an ASIC integrated on top of the interposer with the EIC. A silicon photonic bridge may be electrically and optically enabled to convert the electrical signal from the ASIC above the interposer to an optical signal going into fiber, and vice versa. Through-silicon vias (TSVs) may extend through the optical engine.

This optical system (1) comprises: a reflective surface (30); a plurality of first lenses (21) that are disposed between a second plane (P2) and the reflective surface (30) and that each form a first focal point (F1) on a first plane (P1) side via the reflective surface (30); and a plurality of second lenses (22) that are disposed between the second plane (P2) and the plurality of first lenses (21), that each form a plurality of second focal points (F2) on a second plane (P2) side, and that form one-to-one pairs with the plurality of first lenses (21). The end surfaces of a plurality of cores (51) are respectively positioned at the plurality of second focal points (F2), and a plurality of light-emitting elements (41) are respectively positioned at the plurality of first focal points (F1). Light (L1) (optical signal) is transmitted via an optical path formed between a first lens (21) and a second lens (22) that form a pair.

An object of the present disclosure is to connect an optical fiber and an optical waveguide with a low loss.The present disclosure is an optical connector plug, including: an optical waveguide having two guide pin V-grooves engraved on one surface thereof and having a cross section of one or more cores appearing between cross sections of the guide pin V-grooves on one end face thereof; two guide pins separately arranged in the two guide pin V-grooves; a flat substrate so fixed as to tuck the two guide pins in the two guide pin V-grooves on the one surface of the optical waveguide; and a fixing member equipped with the optical waveguide, the two guide pins, and the flat substrate.

The present invention relates to a hybrid connector comprising connector pins and connector socket that is RF-connected, optically connected and mechanically coupled to the connector pins, wherein the connector pins include: an optical connector pin for transmitting an optical signal and an RF connector pin for transmitting an RF signal; a connector pin alignment portion for aligning the optical connector pin with the RF connector pin; and a connector pin coupling portion provided on the connector pin alignment portion, the connector socket includes: an optical connector socket optically connected to the optical connector pin and an RF connector socket RF-connected to the RF connector pin; a connector socket alignment portion for aligning the optical connector socket with the RF connector socket; and a connector socket coupling portion which is provided on the connector socket alignment portion and which can be mechanically coupled to and decoupled from the connector pin coupling portion. According to the present invention, an optical signal and an RF signal can be transmitted, and an optical connection and an RF connection can be established with a small number of components.

The present disclosure provides an optical module, including a housing, an adapter, an optical connector, and an elastomer. The adapter is coupled to the housing. The optical connector is received in the adapter. The elastomer is coupled to the adapter. The housing compresses the elastomer. In one embodiment, an optical module includes a plurality of adapters, optical connectors, or elastomers.

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.