Abstract: A optical apparatus to display an image to a user is disclosed. The apparatus comprises an image source to generate an image bearing light beam having a first numerical aperture; and a diffuser screen. The diffuser screen is configured to increase the numerical aperture of the image bearing light beam to a second numerical aperture. The diffuser screen comprises a first part comprising: a first face and second face substantially parallel to each other, a first array of a plurality of waveguides forming an optical path between the first face and the second face. A value of an optical property of each of the plurality of waveguides is selected randomly from a set of values of the optical property. The first array of a plurality of waveguides is arranged such that each of the plurality of waveguides has an optical axis that is substantially parallel to it's nearest neighbour.

Abstract: An image fiber includes: a plurality of cores; a cladding that integrally encloses the plurality of cores; a light guide fiber that propagates illumination light; and a light guide layer that covers an entire periphery of an external peripheral surface of the cladding and that is in contact with an external peripheral surface of the light guide fiber. The light guide layer is capable of propagating the illumination light.

Abstract: Embodiments disclosed herein include optical packages. In an embodiment, an optical package comprises a package substrate, a compute die over the package substrate, and an optics die over the package substrate. In an embodiment, the optics die comprises grating couplers. In an embodiment, an optical connector for optically coupling optical fibers to the grating couplers is provided. In an embodiment, the optical connector comprises a fiber array unit (FAU), where the FAU has a turn. In an embodiment, the optical connector further comprises a fiber shuffler, where the fiber shuffler comprises a first V-groove with a first depth and a second V-groove with a second depth that is greater than the first depth. In an embodiment, the optical connector further comprises a ferrule.

Abstract: Virtual 3D display apparatus has a display zone, an optical fiber assembly and a motor. The optical fiber assembly includes optical fibers each having an input end for entrance of light and an output end. There are light sources each at the input end of a respective optical fiber for generating a light signal that enters and travels along the optical fiber and is then emitted at the output end thereof. The emitted light signals together form a virtual 3D image in the display zone upon rotation of the optical fiber assembly by the motor. There are also control elements at the input ends of respective optical fibers, each for operation to make adjustment of the virtual 3D image based on a control signal that travels along the respective optical fiber, with the adjustment to be made to a part of the virtual 3D image associated with the same optical fiber.

Abstract: A broadband radiation source device, including a fiber assembly having a plurality of optical fibers, each optical fiber being filled with a gas medium, wherein the broadband radiation source device is operable such that subsets of the optical fibers are independently selectable for receiving a beam of input radiation so as to generate a broadband output from only a subset of the plurality of optical fibers at any one time.

Abstract: A method of manufacturing a composite sensor assembly includes: providing a port including a high surface tension thermoplastic, the port having a hollow tubular portion and a base having a polymer surface; fusing the polymer surface of the port to a wall of a polymeric bioprocess vessel so that the port communicates with an opening in the wall; and retaining a sensor unit within the hollow tubular portion of the port with an adhesive, at least a portion of the sensor unit being polymeric, wherein the port provides the sensor unit access to an interior of the polymeric bioprocess vessel.

Abstract: In some implementations, an optical fiber may include a core and a cladding surrounding the core. The core and the cladding may provide light guidance along the optical fiber in a light propagation direction. The core may have a taper in the light propagation direction in a section of the optical fiber. A diameter of the core may decrease independently of a diameter of the cladding in the section of the optical fiber.

Abstract: Systems and methods are provided for a mechanical actuator based on a fiber optic platform. A material that is configured to be activated by light is incorporated into an optical fiber that serves as both an actuator and a power delivery network. This platform is adaptable to different materials, types of motions, and length scales and allows for precise delivery of photons to the material.

Abstract: An optical fiber pitch conversion jig for converting a pitch among optical fibers by inserting the optical fibers from a first end of the optical fiber pitch conversion jig and making the optical fibers protrude from a second end of the optical fiber pitch conversion jig, the optical fiber pitch conversion jig includes: a groove portion including grooves extending from the first end to the second end, a first linear part on a side closer to the first end and in which a pitch among the grooves is a first pitch, and a pitch change part that is continuous with the first linear part and in which the pitch widens to a second pitch larger than the first pitch. In the pitch change part, at least one of the grooves is curved.

Abstract: Methods are known for producing an anti-resonant hollow-core fiber which has a hollow core extending along a fiber longitudinal axis and an inner jacket region that surrounds the hollow core, said jacket region comprising multiple anti-resonant elements. The known methods have the steps of: providing a cladding tube that has a cladding tube inner bore and a cladding tube longitudinal axis along which a cladding tube wall extends that is delimited by an interior and an exterior; providing a number of tubular anti-resonant element preforms; arranging the anti-resonant element preforms at target positions of the interior of the cladding tube wall, thereby forming a primary preform which has a hollow core region and an inner jacket region; and further processing the primary preform in order to form a secondary preform, including a process of elongating the primary preform in order to directly form the hollow-core fiber or to form the secondary preform.

Abstract: Fiber-optic bundles for infrared spectral analysis of media. The fiber-optic bundles can be used in infrared probes configured to be inserted in media for in-situ characterization of the media. The fiber-optic bundles can include a plurality of optical fibers arranged in a spatial pattern at a sampling end of the bundle to improve a signal of infrared spectral measurements. In-situ probes of the present disclosure can be used for precision farming practices to improve soil health and increase crop yields.

Abstract: In one embodiment, a method includes receiving power delivered over a data fiber cable at an optical transceiver installed at a network communications device and transmitting data and the power from the optical transceiver to the network communications device. The network communications device is powered by the power received from the optical transceiver. An apparatus is also disclosed herein.

Abstract: An ink jet printing method includes a metallic ink application step of ejecting a metallic ink composition containing a metallic pigment from an ink jet head to apply the metallic ink composition onto a printing medium, a heating step of heating the metallic ink composition applied on the printing medium with an infrared heater, and a coloring ink application step of ejecting a coloring ink composition containing a coloring material from an ink jet head to apply the coloring ink composition onto the metallic ink composition on the printing medium. Each of the metallic ink composition and the coloring ink composition is a water-based ink or a solvent-based ink.

Abstract: Illuminated tinsel garland comprising, according to a first exemplary embodiment, an elongated flexible transparent tube; a flexible electrically powered illumination string disposed in the tube; and a plurality of radially directed fiber optic filaments secured to an exterior of the tube. According to a second exemplary embodiment, the illuminated tinsel garland comprises a flexible electrically powered illumination string including a plurality of lamps spaced apart no more than about 3 cm along the string; and a bundle of fiber optic filaments in light-transmissive communication with each one of the plurality of lamps.

Abstract: A light-emitting assembly includes a first light guide element and a second light guide element, which have end sections connected to each other, the end sections having a main light propagation direction. The first and second light guide elements further having light guide sections which spread out from the top of a connection region of the end sections. A middle element is located between the light guide sections of the light guide elements and spaced apart from the top, the middle element having a light entry face and a light exit face which is opposite the light entry face and configured to emit light between the spread-out light guide sections. At least one of the light entry face and the light exit face has a light-transmitting region with a predetermined shape, the light-transmitting region occupying a part of a corresponding face of the middle element.

Abstract: A lighting device is provided that includes a light source and an optical element. The light source emits primary light having a primary emission characteristic. The optical element has a light entry face and a light exit face. The optical element includes light guiding elements each forming part of the light entry and exit faces. The light entry faces inject the primary light into the optical element. The light guiding elements each have a boundary surface that totally internally reflects the primary light so that the light exit face emits a secondary light. The optical element reduces a divergence of the primary light such that the secondary light has a secondary emission characteristic with an emission angle (?) that is smaller than an emission angle (?) of the primary emission characteristic. The light exit face is larger than the light entry face.

Abstract: An object of the invention of the present application is to provide a hydraulic system that is capable of causing a control pressure outputted from a solenoid valve to follow a control request value quickly at the time the solenoid valve starts to be driven.

Abstract: Disclosed are an optical splicing structure, a method for manufacturing the optical splicing structure and a splicing display device. The optical splicing structure is provided at the splice position of two display panels, the optical splicing structure includes a plastic sealing body and an optical fiber bundle, the plastic sealing body includes an incident end and a light emitting end opposite to the incident end; the optical fiber bundle includes a plurality of optical fiber lines distributed in the plastic sealing body; a plurality of the optical fiber lines extend in the direction of the incident end to the light emitting end and are arranged in a direction perpendicular to the direction from the incident end to the light emitting end.

Abstract: An optical assembly includes a connector assembly, a plurality of port assemblies, and a frame assembly. The connector assembly includes an optical fiber connector. The plurality of port assemblies is fixed in position relative to each other. The frame assembly includes a frame directly attached to the connector assembly or directly attached to the plurality of port assemblies. The frame is moveable to align the connector with each of the port assemblies. The connector is insertable into each of the port assemblies when the connector is aligned with a respective one of the port assemblies by moving the connector or the respective port assembly aligned with the connector along a single axis and into the respective port assembly.

Abstract: For the purpose of efficiently converting a beam profile of laser light with a simple configuration, provided is a beam profile converter including: a first optical fiber that outputs guided light from a first end surface; and a second optical fiber being a multi-mode optical fiber to which the light is input to a second end surface and configured to guide the light, in which a core diameter of the second optical fiber is larger than a core diameter of the first optical fiber at the first end surface, and the light output from the first end surface is input to a core portion of the second end surface at a position separated from an optical axis of the second optical fiber in a direction inclined with respect to the second end surface.

Abstract: Disclosed are systems for directing energy according to holographic projection. Configurations of waveguide arrays are disclosed for improved efficiency and resolution of propagated energy through, tessellation of shaped energy waveguides.

Abstract: The present invention relates to a self-customized microLED wig. More specifically, one self-customized microLED wig comprises: a base plate (100) wrapped around the circumference of a wearer's head; hair parts (200) configured on the base plate; and a transparent microLED display skin (300) configured to cover the outer surfaces of the hair parts, wherein a master part (400) and a remote slave (500) are configured inside the base plate (100) so as to control the transparent microLED display skin (300), and a smart phone (600) is configured to enable the wearer to finally and selectively control the transparent microLED display skin (300), whereby the present invention is a useful invention which enables colors of the hair parts (200) to be variously changed according to the wearer's current situation.

Abstract: A cannula suitable for use in minimally invasive surgery is improved with a highly polished and very smooth luminal wall and/or LED's or other light sources focused at particular angles relative to the axis of the cannula. The devices provide for improved lighting and/or reduced lighting requirements for cannulas used for minimally invasive surgery.

Abstract: A system performs identification system enrollment and validation and/or authentication. In some examples, the system receives a digital representation of a biometric for a person from a device, biographic information for the person, and monitoring of capture of the biometric and determines whether the biometric is genuine. In others, the system obtains data from a network search using the biometric and the information, generates a comparison of the biometric and the information to the data from the network search, and uses the comparison to determine whether the person is who the person asserts. In still others, the system performs a number of identity checks using the information and the biometric, weights certainty and risk of each of the number of identity checks, and determines whether to approve the person for identification system enrollment using an aggregation of the identity checks.

Abstract: A light pipe such as a fiber ribbon may be formed from fibers joined by binder such as extruded binder. The fiber ribbon or other light pipe may have bends. A light source may provide light to an input of a fiber ribbon that is guided by the fiber ribbon to a corresponding output. The output may be located in an interior portion of an electronic device or may be positioned so that light from the output exits the electronic device and illuminates external objects. The light source may have light-emitting devices on a substrate. The light-emitting devices may be vertical cavity surface-emitting laser diodes or other lasers and/or may be light-emitting diodes. Light-emitting devices may be arranged in discrete clusters corresponding to the locations of fiber cores in the fiber ribbon.

Abstract: A scope (1) for examining or surgically treating ears comprising at least one camera (6), a light source (7), and a stabilizer (2) for supporting the camera (7) in or on the stabilizer (2), the stabilizer (2) being integral with the camera (7) and being configured to stabilize the scope (1) in an ear canal.

Abstract: A fiber-optic, three-dimensional imager using focal length of fiber optic units as a discriminative feature to identify surface geometries of a target area based on reflection intensity of reflected illumination. The focal length defined in accordance with lens power, lens proximity to an optic fiber, chromatic lens aberration, or illumination wavelength. Captured reflections are directed to a light sensor and form an areal intensity distribution on the sensor that is rendered into a topographical model of the general target surface using a construction algorithm.

Abstract: An endoscope apparatus includes: a light source that radiates a pulsed light beam onto an imaging subject; an imaging optical system; an image transmission optical system that transmits the image of the imaging subject; an optical sensor that has a light receiving surface on which a plurality of pixels are arrayed and that detects a light level of the image; and one or more processors, wherein the optical sensor obtains light levels by detecting, in a time division manner, a reflected light beam of the pulsed light beam at each of the pixels, and wherein the processors are configured to: calculate an observation distance to the imaging subject from the imaging optical system on a basis of the light levels.

Abstract: An apparatus for detecting an optical signal emission includes signal transmission fibers. Each fiber includes cores having the same spatial core arrangement at each end. The first ends are configured to be optically coupled to the signal emission sources. Each fiber is configured to transmit an optical signal between the first end and the second. The apparatus can also include a frame assembly securing the first ends of the fibers in a first spatial fiber arrangement corresponding to a spatial arrangement of the signal emission sources. The frame assembly can also secure the second ends of the fibers in a second spatial fiber arrangement different from the first spatial fiber arrangement. The apparatus can also include at least one signal detector configured to be optically coupled to the second ends of the fibers and configured to detect an optical signal emitted by each signal emission source.

Abstract: A multi-mode interferometric optical waveguide device includes: a multi-mode interferometric optical waveguide which includes a first reflective surface; a first single-mode waveguide connected to the multi-mode interferometric optical waveguide; and a second single-mode waveguide connected to the multi-mode interferometric optical waveguide and oppose the first reflective surface. Consequently, the multi-mode interferometric optical waveguide device can propagate light from the first single-mode waveguide to the second single-mode waveguide, with further reduced optical losses.

Abstract: A method of forming an imaging fibre apparatus comprises: •arranging core rods 102 and cladding rods 104 to form at least one primary stack 100a, each primary stack 100a comprising a plurality of core rods 102 and cladding rods 104 arranged in a stack arrangement thereby to form a plurality of core regions within a cladding region; •performing a drawing process to form a plurality of drawn stacks from the at least one primary stack; •wherein the plurality of core rods and cladding rods are further arranged to have a selected shape such that the plurality of stacks stack together in a desired arrangement and wherein the stack arrangement comprises an at least partial outer layer of cladding rods thereby to provide separation between core regions of respective adjacent stacks when stacked in the desired arrangement, the method further comprising: •stacking the plurality of drawn stacks together in the desired arrangement to form a further stack; •drawing the further stack; and •using the drawn further stack to

Abstract: An endoscope including an elongated shaft. The elongated shaft including: an inner shaft tube in which an optical system is received; an outer shaft assembly including an outer shaft tube and a tubular support body proximally abutting the outer shaft tube; at least one bundle of optical fibers disposed between the inner shaft tube and the outer shaft tube; and an electrical connector arranged between the inner shaft tube and the support body. Where the support body includes at least a first web and a second web each extending radially between an inner surface of the support body and an outer surface of the inner shaft tube, the first web and the second web also extending in a longitudinal direction of the shaft such that an annular space between the inner shaft tube and the support body is divided into at least two segments.

Abstract: A light detection and ranging (LIDAR) apparatus is provided that includes an optical source to emit an optical beam towards a target and a mode field expander operatively coupled to the optical source to expand a mode area of the optical beam from a first mode of a single mode optical fiber to a second mode of a larger mode area optical fiber.

Abstract: A multi core optical fiber that includes a plurality of cores disposed in a cladding. The plurality of cores include a first core and a second core. The first core has a first propagation constant ?1, the second core has a second propagation constant ?2, the cladding has a cladding propagation constant ?0, and (I).

Abstract: A transparent display includes a display including a transparent substrate and a patterned diamond layer formed on the transparent substrate to at least in part define a diamond waveguide. At least two electronic devices can be connected by the diamond waveguide, and can include a sensor, a transducer, or electronic circuitry, including communication, control, or data processing electronic circuitry.

Abstract: An optical fiber protective unit includes: a reticulated tube; and a tubular member that is inserted through the reticulated tube and that is configured to accommodate a plurality of optical fibers. The reticulated tube is disposed on an outer periphery of the tubular member in a state folded in a longitudinal direction. Both end parts of the reticulated tube are located on the outer periphery of the tubular member.

Abstract: A remote indicator system comprising a housing and a display unit located remotely from the housing. The housing comprises a first light source and a first end of an end-emitting fibre optic cable. The display unit comprises a second end of the fibre optic cable. The housing includes manual switching means configurable to allow light from the first light source to pass into the first end of the optical fibre cable and further configurable to prevent light from the first light source from passing into the first end of the optical fibre cable.

Abstract: Various products that are used to align objects and features in an area are shown. In one example, a laser target provides optical communication between a target area of the laser target and a non-target area that is offset from the target area. Some light emitted towards the target area will be redirected to emit from the non-target area, and some light emitted towards the non-target area will be redirected to emit from the target area. In another example, a laser target includes reflective portions and non-reflective portions that facilitate aiming a laser target towards a center of the laser target.

Abstract: A substrate support assembly comprises a first optical receiver, a power converter, a first circuit, and a first optical transmitter, all embedded in the substrate support assembly. The first optical receiver is configured to receive a first optical signal and a first optical data through a fiber optic cable. The power converter is configured to generate DC power based on the first optical signal and the first optical data received by the first optical receiver. The first circuit is configured to receive the DC power from the power converter and to receive a second data from a sensor disposed in the substrate support assembly in response to the first optical data. The first optical transmitter is configured to transmit the second data as a second optical data through the fiber optic cable.

Abstract: A laser machining device includes a plurality of optical fibers and a collimator lens arranged in parallel along a supply nozzle for supplying a molten material, and a laser beam projected from the optical fiber is applied onto an axis between a tip of the supply nozzle and a build-up welding spot.

Abstract: The present disclosure provides an apparatus for generating fiber delivered laser-induced white light. The apparatus includes a package case enclosing a board member with an electrical connector through a cover member and a laser module configured to the board member inside the package case. The laser module comprises a support member, at least one laser diode device configured to emit a laser light of a first wavelength, a set of optics to guide the laser light towards an output port. Additionally, the apparatus includes a fiber assembly configured to receive the laser light from the output port for further delivering to a light head member disposed in a remote destination. A phosphor material disposed in the light head member receives the laser light exited from the fiber assembly to induce a phosphor emission of a second wavelength for producing a white light emission substantially reflected therefrom for various applications.

Abstract: In one embodiment, a method includes receiving power delivered over a data fiber cable at an optical transceiver installed at a network communications device and transmitting data and the power from the optical transceiver to the network communications device. The network communications device is powered by the power received from the optical transceiver. An apparatus is also disclosed herein.

Abstract: An optical interconnect may provide for optical communications between two IC chips. The optical interconnect may include an array of optoelectronic elements, for example microLEDs and photodetectors, with the array including a plurality of sub-arrays. A fiber bundle of optical fibers may couple the optoelectronic elements, and the fiber bundle may include a plurality of sub-bundles, with for example one sub-bundle for coupling pairs of sub-arrays. Fibers of each sub-bundle may be accurately positioned with respect to one another.

Abstract: Systems and methods for improving the brightness of a transparent display are disclosed herein. One embodiment collects ambient light using an array of metasurface lenses disposed on an external surface of a vehicle; collects internal light from the vehicle's headlights; filters the ambient light and the internal light to produce filtered ambient light and filtered internal light; generates primary-source light using a light-emitting-diode (LED) light source; and injects, into a transparent edge-lit liquid crystal waveguide display deployed in at least a portion of a window of the vehicle, the primary-source light, the filtered ambient light, and the filtered internal light in a color-synchronized manner. The filtered ambient light and the filtered internal light improve the brightness of the transparent edge-lit liquid crystal waveguide display.

Abstract: Electrical instrument for applying radiofrequency and/or microwave frequency energy to tissue, comprising: a distal part comprising an instrument tip for applying radiofrequency and/or microwave frequency energy to tissue, the instrument tip comprising first and second conductive elements; a coaxial feed cable comprising an inner conductor, a tubular outer conductor coaxial with the inner conductor, and dielectric material separating the inner and outer conductors, the coaxial feed cable being for conveying radiofrequency and/or microwave frequency energy to the distal part; wherein: the inner conductor is electrically connected to the first conductive element and the outer conductor is electrically connected to the second conductive element through a rotatable connection between the distal part and the coaxial feed cable that allows rotation of the distal part relative to the coaxial feed cable; and the instrument comprises an actuator for rotating the distal part in a first rotational direction relative to

Abstract: A therapeutic light delivery apparatus and method are disclosed. The apparatus includes a light source, a plurality of light emitting devices paired with a plurality of light detecting devices, wherein each of the light emitting devices is in optical communication with a channel of a delivery optical switch and each of the plurality of light detection devices is in optical communication with a channel of a detection optical switch. The plurality of light emitting devices are fixedly positioned within an applicator light flap. The system further includes an optical detector in optical communication with the detector optical switch. The system further includes an opto-electronic controller that controls delivery optical switch, the detector optical switch and the light source.

Abstract: Provided is a multi-channel light-receiving module, which comprises an incident collimator, a light-splitting assembly, an optical path conversion assembly and a photoelectric chip array which are arranged in sequence, wherein the light-splitting assembly comprises an inner reflector and a plurality of optical filters, and the optical filters are respectively arranged on an output end of the inner reflector; the channel interval of photoelectric chips in the photoelectric chip array is less than the channel interval of an adjacent optical filter; the optical path conversion assembly comprises a plurality of emergent collimators and an optical fiber connected to each of the emergent collimators; a plurality of paths of optical signals output by the light-splitting assembly are respectively coupled into corresponding optical fibers after passing through the plurality of emergent collimators; and the plurality of paths of optical signals are output by output ends of the plurality of optical fibers and are then c

Abstract: The present invention generally relates to a medical device and a method of using a medical device. Specifically, the invention relates to a tube introducing device designed to introduce catheters, endoscopes and the like medical devices into organs and body lumens during procedures such as esophageal manometry, esophageal pH tests, and the placement of trans-nasal feeding tubes and a method of use thereof.

Abstract: Optical chip-to-chip interconnects may use microLEDs as light sources. The interconnected chips may be on a same substrate. A pair of endpoint chips may each have associated optical transceiver subsystems, with transceiver circuitry in transceiver chips. Optical communications may be provided between the optical transceiver subsystems, with the optical transceiver subsystems in communication with their associated endpoint chips by way of metal layers in the substrate.

Abstract: An underwater imaging system is carried by a submersible platform to capture images that are processed into three-dimensional images stitched together to create a 3D dimensional video at video rate speeds that are transmitted to a control unit above the surface of the water. The imaging system utilizes a high speed image sensor or camera to capture sequential gated images that are synced via a gating module to two sequential laser beam pulses. The laser beam pulses illuminate an object in each gated image. When the object is within a gate overlap region, the two images may be processed using 3D imaging techniques to generate a 3D representation of the object in the overlap region of the two gates.