Abstract: Methodologies enabling integration of optical components in ICs and a resulting device are disclosed. Embodiments include: providing a first substrate layer of an IC separated from a second substrate level by an insulator layer; providing a transistor on the second substrate layer; and providing an optical component on the first substrate layer, the optical component being connected to the transistor.

Abstract: A waveguide coupler includes a first waveguide and a second waveguide. The waveguide coupler also includes a connecting waveguide disposed between the first waveguide and the second waveguide. The connecting waveguide includes a first material having a first index of refraction and a second material having a second index of refraction higher than the first index of refraction.

Abstract: Provided are a polarization beam splitter and an optical device with high productivity. A polarization beam splitter (PBS) according to an exemplary embodiment of the present invention includes: a demultiplexer (11) that is formed of a rib waveguide (50) and demultiplexes input light into first input light and second input light; a multiplexer (14) that is formed of the rib waveguide (50) and multiplexes the first input light and the second input light that are obtained by demultiplexing the input light by the demultiplexer (11); a first arm waveguide (12) that is formed of a channel waveguide (51) and guides the first input light to the multiplexer (11); and a second arm waveguide (13) that is formed of the channel waveguide (51), generates a phase difference in the first input light propagating through the first arm waveguide, and guides the second input light to the multiplexer (14).

Abstract: Technologies for generating a broadband optical output include a plurality of narrowband optical sources formed in a silicon substrate to generate a narrowband optical output, a plurality of input optical waveguides to route the narrowband optical output, an optical multiplexer formed in the silicon substrate to reflect the routed narrowband optical output, and an output optical waveguide to collect the reflected narrowband optical output to generate the broadband optical output. The output optical waveguide may route the broadband optical output to an output of the photonic integrated circuit.

Abstract: An apparatus comprising a substrate having a silicon waveguide thereon. The apparatus also comprises a semiconductor layer with a direct band gap. The semiconductor layer is located on a segment of the silicon waveguide and the semiconductor layer and the silicon waveguide are in a hybrid optical waveguide.

Abstract: Disclosed are devices, systems, and methods for construction or fabrication of optical fiber-like devices by depositing curable optical materials of differing indices of refraction in a controlled manner forming integral optical pathways, the integral optical pathways exhibiting total internal reflection and functioning essentially equivalent optical properties to conventional optical fibers optical pathways.

Abstract: An apparatus for splicing and tapering optical fibers employing a feedback system for stabilizing the laser output is disclosed. The apparatus may include a laser illuminating a target-area of one or more optical fibers by a laser beam; one or more cameras receiving light from one or more areas of the fibers and forming images of the one or more areas; a beam sampler detector sampling the beam power; and a controller receiving images from the camera and a signal from the power sampler. The controller may use the images received from the camera and the signal received from the detector as feedback parameters and to control the laser output according to said signal and said images such as to stabilize the laser output. The controller may include an image analysis unit determining, based on the images, a brightness or temperature distribution over the areas of the fibers.

Abstract: A multi-electrode system includes a fiber holder that holds at least one optical fiber, a plurality of electrodes arranged to generate a heated field to heat the at least one optical fiber, and a vibration mechanism that causes at least one of the electrodes from the plurality of electrodes to vibrate. The electrodes can be disposed in at least a partial vacuum. The system can be used for processing many types of fibers, such processing including, as examples, stripping, splicing, annealing, tapering, and so on. Corresponding fiber processing methods are also provided.

Abstract: An object of the invention is to provide a coupling optical system that uses reflecting surfaces so as to be compatible with even multiple light beams. As shown in FIG. 1, the invention provides a coupling optical system for entering a light beam emitted out of a first optical element in a second optical element, characterized by including at least two reflecting surfaces, wherein: at least one reflecting surface has a rotationally asymmetric surface shape, and at least two reflecting surfaces are each decentered with respect to an axial principal ray connecting the center of the first optical element with the center of the second optical element.

Abstract: There is described an optical fiber coupler in which at least one fiber is a multiple-clad fiber, containing a single-mode core supporting a single guiding mode and an inner multi-mode cladding guiding multiple modes. The multiple-clad fiber is fused with a second fiber of a different etendue to create an optical fiber coupler having an enhanced multi-mode signal transmission.

Abstract: A fiber optic cable retention module includes a housing with a base. A first section extends from the base and defines a pocket for receiving strength members of a fiber optic cable. A second section extends from the base and defines slots that receive a retention member having a generally U shaped frame. The frame has first and second arms extending therefrom that define a cable receiving slot therebetween.

Abstract: An optical component assembly includes a light-guiding member; a cylindrical member which retains the light-guiding member in a through hole thereof; and a projection which is provided at one end of the cylindrical member so as to extend beyond an outer periphery of the cylindrical member, and is engageable in a groove which is formed in a cylindrical shell so as to extend in an axial direction of the cylindrical shell and then turn at a distal end thereof in a circumferential direction of the cylindrical shell. By fixing the cylindrical shell to the projection, the cylindrical shell becomes attachable and detachable. It is possible to provide an optical receptacle and a transceiver module for optical communications having easy removal of foreign matters.

Abstract: A protective assembly method using a transparent layer within the fiber interconnect system aids in optical coupling by preventing an air gap from forming between the fiber cores within a connector. A thin transparent film (or with adhesive) is placed over the fiber end-faces at the connector interface, the film having characteristics which allows it to conform to the fiber end and minimize coupling loss between fibers. The film is sized to fit connectors faces and can be temporary, being replaced with each installation. A coating can also applied to the connector surface, providing a similar effect, as well as structurally enhancing the connector surfaces.

Abstract: The present disclosure relates to a fiber optic connector including a connector body (122) having a front end and a rear end. A shutter (74) is mounted at the front end of the connector body (122). The shutter (74) is movable relative to the connector body (122) between an open position and a closed position. The fiber optic connector (69) includes an optical fiber (100) having an end face that is accessible at the front end of the connector body (122) when the shutter (74) is in the open position. The fiber optic connector (69) also includes a cleaning material (501) provided at an inner side of the shutter (74) that covers the end face of the optical fiber (100) when the shutter (74) is in the closed position.

Abstract: The invention provides an optical connector for coupling with a complementary optical connector and for supporting an optical component. The connector comprises a cover moveable between a first and second position. The cover may also comprise a moveable shield and biasing components. There is also provided an optical connector assembly comprising covers that sequentially open. A PCB comprising waveguides and an optical component sub-mount for integrating with the PCB is also presented.

Abstract: An optical sub harness (11) has an optical fiber cable (13), a ferrule (15) fixed to a fiber end portion (39) of an optical fiber (23) exposed from a jacket (27), a housing (17), a fastening sleeve (19) locked in the housing (17) by a flexible lance (57) and holding the ferrule (15) and the optical fiber (23) inside the housing (17) so as to be displaceable in an axial direction, and a fastening member (21) attached to an outer peripheral surface (115) of a fastening portion (109) provided on the fastening sleeve (19) and fixing a tensile strength material (25) and the jacket (27).

Abstract: Aspects of the present disclosure relates to an indexing terminal including a multi-fiber ruggedized de-mateable connection location, a first single-fiber ruggedized de-mateable connection location and a second single-fiber ruggedized de-mateable connection location. The multi-fiber ruggedized de-mateable connection location includes a plurality of fiber positions with one of the fiber positions optically coupled to the first single fiber ruggedized de-mateable connection location.

Abstract: A multi-fiber, fiber optic connector is provided having a housing having a first end for receiving a multi-fiber fiber optic cable and a second end having openings for the fibers from the cable. First and second keys for setting the polarity of the fibers within the connector located on opposing sides of the connector. The connector has either one of guide pins or guide pin receiving holes for guiding the connection with a second connector. The keys are movable between a first active position and a second retracted position, such that when one of the keys is in the first active position, the fibers are presented within the connector in a first polarity and when the second key is in the first active position, the fibers are presented within the connector in a second polarity reversed from the first polarity.

Abstract: An optical device for implementing passive alignment of parts and a method therefor, more particularly an optical device and a method therefor that utilize an alignment reference part arranged on the substrate to passively align an optical element part with a lens-optical fiber connection part. For the passive alignment of parts, connection pillars of an alignment reference part are coupled to substrate holes, one or more light-emitting elements and one or more light-receiving elements are aligned in a row in a particular interval with respect to alignment holes arranged opposite each other in the alignment reference part, a lens-optical fiber connection part is aligned with respect to the alignment holes, and an optical fiber is aligned with the optical alignment point at a surface of a prism forming a portion of the lens-optical fiber connection part.

Abstract: An optical waveguide has a window for receiving optical signals re-directed by a beam splitter and a heating element associated with the window.

Abstract: A system includes a substrate including a first row of first receptacles, a cradle including an opening and a spring member, connectors located within the opening, and cables connected to the connectors. The cradle is configured to connect each of the connectors simultaneously or nearly simultaneously to a corresponding first, and the spring member pushes on the connectors with a force greater than an insertion force of the first receptacle.

Abstract: The invention relates to a device socket consisting of a wall feedthrough (2), a printed circuit board (10) and an electronic component (13) attached to the printed circuit board (10), wherein the device socket (1) comprises a locking means (7, 8), so that the printed circuit board (10) can be connected to the wall feedthrough (2), wherein the device socket (1) has at least one seal (22), which seal (22) comprises first means, by which the vertical position (y) of the electronic component (13) on the printed circuit board (10) is predetermined, wherein the seal (22) has an opening (23), into which the electronic component (13) can be inserted, wherein a centre (Md) is located in the opening plane of the seal (22) and the opening (25) of the wall feedthrough (2) has a centre (Mo), and wherein the centres (Md, Mo) have a distance from each other, the amount of which is greater than zero, wherein the printed circuit board (10) comprises second means, by which the horizontal position (x, z) of the electronic comp

Abstract: This disclosure is directed to a cable assembly including a cable with a first end and a second end. The cable includes first and second electrical conductors and first and second optical fibers. The cable assembly includes a first eight pin, eight contact modular connector mounted upon the first end and a second eight pin, eight contact modular connector mounted upon the second end. The first eight pin, eight contact modular connector and the second eight pin, eight contact modular connector each include an optical to electrical converter.

Abstract: A high-temperature and crack resistant optical communication cable is provided. The cable includes an extruded cable body formed from a polymer material defining a channel within the cable body. The cable includes a plurality of optical transmission elements located within the channel. The cable includes a reinforcement sheet wrapped around the plurality of optical transmission elements. The cable includes an adhesion barrier wrapped around the wrapped reinforcement sheet. The adhesion barrier layer is a substantially uninterrupted adhesion barrier layer such that the adhesion barrier layer acts to prevent substantial adhesion between the polymer material of the cable body and an outer surface of the wrapped reinforcement sheet.

Abstract: The present techniques are directed to systems and methods for forming a pipe-conforming structure. The pipe-conforming structure includes a polymer material and one or more optic fibers embedded within the polymer material. The polymer material is formed into a structure that is conformed to the shape of a pipe. A method includes forming a polymer material into a structure including an edge region and a center region. The center region has a greater thickness than the edge region. The method includes inserting one or more optic fibers into the polymer material.

Abstract: An enclosure for telecommunication cables includes a body that defines an interior of the enclosure, a grounding base secured relative to the body, and at least one strain relief assembly having a strain relief member and grounding member that are jointly coupled to the grounding base. Related methods of installing enclosures are also disclosed.

Abstract: The present invention relates to a modular breakout device providing optical and/or electrical connection interfaces in each modular unit. The exemplary breakout device includes a housing made up of a plurality of individual compartments stacked upon each other and a cover that is attachable to the housing. The plurality of individual compartments includes a base compartment configured with a port though a wall of the base compartment that is configured to accept optical and/or electrical transmission media and a first furcation tray. The first furcation tray is disposed on top of the base compartment and the cover is disposed on top of the first furcation tray to enclose the housing. In one exemplary aspect, the breakout device has an optical connection interface and an electrical connection interface disposed in a side wall of the first furcation tray.

Abstract: A fiber optic cable assembly may include a fiber optic cable that has a jacket and a plurality of optical fibers enclosed by and extending longitudinally within the jacket. The fiber optic cable assembly may also include a micro-duct disposed around at least a portion of the jacket, for example, where the cable is buried below grade. The fiber optic cable assembly may further include an insulating layer disposed around at least a portion of the micro-duct, and an outer layer disposed around the insulating layer. The insulating layer and the outer layer may protect the micro-duct and the cable in the event of high temperature exposure that may arise from nearby high temperature utilities, such as in a manhole, as well as to enable the fiber optic cable to be air jetted through the micro-duct from a starting point to a terminating point of a cable routing path.

Abstract: An optical waveguide pumping method can include pumping a liquid fluid through a conduit, thereby pumping an optical waveguide into the conduit, and operating a fluid recovery device, so that fluid pressure in the conduit is less than a vapor pressure of the fluid and/or fluid temperature in the conduit is reduced from above a boiling point temperature of the fluid to below the boiling point temperature of the fluid. An optical waveguide pumping system can include a pump which pumps a liquid fluid into a conduit and thereby pumps an optical waveguide into the conduit, and a fluid recovery device connected to the conduit. The fluid recovery device reduces fluid pressure in the conduit to below a vapor pressure of the fluid and/or reduces fluid temperature in the conduit from above a boiling point temperature of the fluid to below the boiling point temperature of the fluid.

Abstract: A wet mateable connection assembly includes: at least one first and a second watertight case mateable to each other in a watertight manner, the first and the second case having respective first and second gates at respective first and second coupling ends; at least one first phase connector arranged inside the first case; and at least one second phase connector arranged inside the second case, wherein the first gate is movable inwardly to the second case.

Abstract: A tool for accessing an optical fiber within a buffer tube comprising a buffer tube guide having a groove for insertion of a buffer tube and a blade movable from a first position away from the buffer tube guide to a second position against the buffer tube guide. The tool may include a lower body section and an upper body section movable toward and away from the lower body section, the blade attached to the upper body section and the buffer tube guide attached to the lowered body section wherein the blade contacts the buffer tube when the upper body section is toward the lower body section. The buffer tube guide may be removably securable to the lower body section and the buffer tube guide is replaceable with at least one different sized buffer tube guide for insertion of at least one different sized buffer tube.

Abstract: An apparatus includes a lens material forming a lens. The apparatus also includes a piezoelectric capacitor over the lens material, where the piezoelectric capacitor is configured to change a shape of the lens material in response to a voltage across the piezoelectric capacitor to thereby change a focus of the lens. The apparatus further includes at least one stress compensation ring over a portion of the lens material and over at least a portion of the piezoelectric capacitor. The at least one stress compensation ring is configured to at least partially reduce bending of the lens material caused by stress on or in the lens material.

Abstract: A method for producing a mirror comprising a plurality of optical surfaces, the method comprises: a step of producing elements, step of assembling the elements with each other from the rear, a step of fixing the elements from the rear onto a supporting structure of the mirror, and a step of polishing subsequent to the step of fixing the elements in order to obtain the optical surfaces of the mirror and correct the residual positioning defects of the optical surfaces and polish them.

Abstract: A compact, small F-value imaging lens with a wide field of view which corrects aberrations properly. Its elements are arranged in order from an object side to an image side: an aperture stop, a positive first lens having convex surfaces on the object and image sides, a negative second lens having a concave image-side surface, a meniscus positive third lens having a convex image-side surface, and a negative double-sided aspheric fourth lens having a concave image-side surface. With an F-value smaller than 2.4, it satisfies conditional expressions (1) to (3): 0.8<ih/f<0.95??(1) TLA/2ih<0.9??(2) ?4.0<r3/r4<6.0??(3) where ih: maximum image height f: focal length of the imaging lens overall optical system TLA: total track length r3: curvature radius of the second lens object-side surface r4: curvature radius of the second lens image-side surface.

Abstract: A camera lens module in which an optical system is configured to include five sheets of lenses is provided. In the camera lens module, first, second, third, fourth and fifth lenses are sequentially arranged from an object side, and the first lens performs a zooming operation while moving along an optical axis. Accordingly, the optical system is configured to include five sheets of lenses for performance of a zooming operation and to allow only the first lens to perform the zooming operation, so that it is possible to manufacture a high-resolution optical system in a compact size and to perform the zooming operation at a high speed.

Abstract: The invention discloses a seven-piece optical lens for capturing image and a seven-piece optical system for capturing image. In order from an object side to an image side, the optical lens along the optical axis comprises a first lens with refractive power having a convex object-side surface; a second lens with refractive power, a third lens with refractive power; a fourth lens with refractive power; a fifth lens with refractive power, a sixth lens with refractive power, and a seventh lens with negative refractive power; and at least one of the image-side surface and object-side surface of each of the seven lens elements is aspheric. The optical lens can increase the aperture value and improve the imagining quality for use in compact cameras.

Abstract: An optical imaging system includes, in order from an object side to an image side, a first lens element with positive refractive power, a second lens element, a third lens element, a fourth lens element, and a fifth lens element. Each of the fourth lens element and the fifth lens element includes at least one aspheric surface. The fourth lens element and the fifth lens element are made of plastic. The fifth lens element includes a concave image-side surface and at least one inflection point. An axial distance is formed between each of the first lens element, the second lens element, the third lens element, the fourth lens element, and the fifth lens element, and the optical imaging system further comprises a stop.

Abstract: Imaging device includes a compound eye optical system equipped with an array lens formed by arranging multiple lenses as an array in which the lenses have mutually different light axes; a lens frame having a top surface part that covers the portion of a first surface on the object side of the compound eye optical system which excludes the lenses, and a side surface part that supports the top surface part; and a solid-state imaging element that converts a photographic subject imaged by the compound eye optical system into electrical signals. The side surface part of the lens frame is adhered to the solid-state imaging element or to a member that is affixed to the solid-state imaging element, and the portion of the first surface of the compound eye optical system which excludes the lenses is adhered to the top surface part of the lens frame.

Abstract: A zoom lens system includes a positive first lens group and a negative second lens group. The first lens group includes a cemented lens, a diffraction surface having a rotationally symmetric shape satisfying condition (1) formed on a cemented surface of the cemented lens, and condition (2) is satisfied: 130<|fD/RD|<10,000(fD>0)??(1), and 0.15<f1/fT<0.35??(2). fD designates the focal length of the diffraction surface; fD=?1/(2×P2×?0); P2 designates a secondary coefficient of an optical path difference function for calculating an optical path length addition amount of the diffraction surface, ?0 designates the d-line, RD designates the radius of curvature of the substrate surface having the diffraction surface and fT designates the focal lengths of the entire lens system at the long focal length extremity.

Abstract: A projection lens adjustment module applicable to a projection lens is provided. The projection lens includes a first assembly and a second assembly. The projection lens adjustment module includes a flexible connection line, an adjusting element and a driving mechanism. The flexible connection line has a first end and a second end opposite to each other. The adjusting element is connected to the first end. The driving mechanism is connected to the second assembly and the second end. When the adjusting element drives the first end to move along a first direction thereby leading the second end to move along a second direction non-parallel to the first direction, the second end drives the second assembly to move along an optical axis direction of the projection lens relative to the first assembly through the driving mechanism.

Abstract: A wide angle lens is constituted by, in order from the object side to the image side: a front group having a negative refractive power; an aperture stop; and a rear group having a positive refractive power. The front group includes, in order from the object side to the image side, a first meniscus lens having a negative refractive power, and a second meniscus lens having a negative refractive power. The rear group includes a first cemented lens formed by cementing a negative lens and a positive lens, provided in this order from the object side, together, most toward the image side, and a lens having at least one aspherical surface and a negative refractive power provided adjacent to the first cemented lens at the object side thereof.

Abstract: A telephoto-type imaging lens for short-distance imaging which realizes well focused image with a simple structure through the miniaturization and weight reduction of a focusing lens group, reduction of the load on a drive system for focusing and compact structure of the entire optical system; and an imaging device. The imaging lens includes a first lens group having positive refracting power, a second lens group having negative refracting power and a third lens group having positive refracting power are disposed in order from the object side, wherein at least one positive lens constitutes the second lens group, the first lens group and the third lens group are fixed and the second lens group moves to a focusing side in focusing from infinity to a close object.

Abstract: A zoom lens includes a negative first lens group, an aperture, and a positive second lens group. The first lens group includes a negative first lens, a negative second lens, and a positive third lens. The second lens group includes a positive fourth lens, a negative fifth lens, a negative sixth lens, and a positive seventh lens, wherein the fifth lens is formed by adhering a positive lens and a negative lens, and the sixth lens is a meniscus lens. The zoom lens can be switched toward a telephoto mode from a wide mode by moving the second lens group from the image side toward the object side.

Abstract: A zoom lens is constituted by, in order from the object side: a negative first lens group; an aperture stop; a positive second lens group; a negative third lens group; and a positive fourth lens group. All of the lens groups move along the optical axis when changing magnification from the wide angle end to the telephoto end such that the distance between the first lens group and the second lens group decreases and the distance between the second lens group and the third lens group increases. The first lens group is constituted by, in order from the object side, a 1-1 lens having a negative refractive power, a 1-2 lens having a negative refractive power, and a 1-3 lens having a positive refractive power. Conditional Formula (1) below is satisfied. 1.75<ndave<1.

Abstract: A Mersenne reflector system provides solar daylighting uses parabolic troughs as primary and secondary reflectors, in Cassegrainian and Gregorian configurations. A Mersenne-like reflector system uses truncated parabolic troughs as primary and secondary reflectors in the Cassegrainian configuration. A variety of combinations of reflector shapes are used including: elliptical primary and circular secondary, rectangular primary and square secondary, elliptical primary and square secondary, and rectangular primary and circular secondary.

Abstract: A light microscope having a sample plane for positioning a sample, and a light source for emitting illumination light, includes optical imaging means for guiding the illumination light into the sample plane. A detector device having a plurality of detector elements for detecting sample light coming from the sample. Adjacent detector elements are at a distance from one another which is smaller than an Airy-Disk produced by a point of the sample plane on the detector device. A scanning device has at least a first and a second optical arrangement simultaneously movable in a common direction for producing an illumination scanning movement and a detection scanning movement, which are opposite to one another.

Abstract: An illumination device for an optical viewing apparatus has a light source including a first individual light source and a second individual light source arranged in a plane. The first individual light source has a first midpoint and the second individual light source has a second midpoint. An axial direction is defined by a vector from the second midpoint to the first midpoint. An illumination optical unit defines an optical axis which is arranged perpendicularly to the plane and intersects the plane at an intersection point. The light source is imaged toward infinity by the illumination optical unit. The first individual light source has an extent along the axial direction. The midpoint is offset by an amount (?) in a positive direction along the axial direction relative to the intersection. The relationship 0.1*L1???1*L1 is satisfied for the offset.

Abstract: An imaging apparatus includes a microscope comprising an eyepiece and a stage for supporting a sample slide, an electronic mobile imaging and communication device having an image detector, and an adaptor having a coupler portion, a support plane, and a through-hole extending through the support plane and the coupler portion, in which the coupler is positioned on the eyepiece of the microscope, and in which the electronic mobile imaging and communication device is positioned on the support plane.

Abstract: A subassembly for a video endoscope with a picture-recording sensor (9) which is electrically conductively arranged on a flexible circuit board (8) which next to the sensor (9) is bent at least at one side and is conductively connected to at least one electrical cable proximally of the sensor (9).

Abstract: An apparatus for fabricating electronic displays comprises a glass substrate that includes pixel arrays formed on the glass substrate. Individual pixels of the pixel arrays include pixel walls to retain a first fluid, such as oil. The pixel arrays may include an edge seal to retain a second fluid, such as an electrolyte solution, that overlays the pixel walls and the first fluid. The glass substrate also includes a hydrophobic strip formed on the glass substrate. A wettability between the first fluid and the hydrophobic strip is different from a wettability between the second fluid and the hydrophobic strip.