Abstract: A multicore optical fiber that includes seventeen cores arranged in a hexagonally close-packed configuration, each core having a core center and comprising silica and an up-dopant; and a cladding region surrounding the seventeen cores, the cladding region having a cladding edge, an outer diameter, and a cladding composition comprising silica. The outer diameter of the cladding region is between about 100 microns and 150 microns. Further, the hexagonally close-packed configuration has bi-lateral symmetry to accommodate bi-directional data flow within the fiber.

Abstract: A reflective optics system that requires the presence of both convex and a concave mirrors that have beam reflecting surfaces. Application thereof achieves focusing of a beam of electromagnetic radiation with minimized effects on a polarization state of an input beam state of polarization that results from adjustment of angles of incidence and reflections from the various mirrors involved. This invention is also a combination of a focusing element and a filtering element that provides an optimum electromagnetic beam cross-sectional area based on optimizing the beam cross-sectional area in view of conflicting effects of aberration and diffraction inherent in said focusing element, which, for each wavelength, vary oppositely to one another with electromagnetic beam cross-sectional area.

Abstract: A vehicle display device includes an image processing electronic control unit that converts a portion of each image of plural images into respective strip images in which plural pixels are arrayed along a direction of vehicle travel; an optical fiber woven fabric in which plural optical fibers are woven, with end portions of the plural optical fibers arrayed along the direction of vehicle travel; and plural light sources arrayed such that light emitted from each of the plural light sources is incident at an end portion of at least one of the optical fibers; wherein the image processing electronic control unit controls the plural light sources for each of the strip images so as to emit light according to a pixel value of each pixel in the strip images.

Abstract: An illuminated display contained within a translucent container that employs flat fiber optic material as the primary illuminated design. When this material is illuminated at its base edge and the illumination is optionally programmed, light then travels to and is emitted all along its cut top edge, resulting in a clear “line of light” display that appears to exist in space, unattached from any other material and evokes a specific desired effect within the translucent container, including the effect of a specific ephemeral phenomenon. The illuminated display effect is often strengthened by adding one or more additional displays to the translucent container.

Abstract: A centralizer assembly includes a centralizer configured to centralize a tubular in a wellbore. The centralizer includes a first end collar, a second end collar, and ribs extending between the first and second end collars. The assembly also includes a first stop collar disposed adjacent the first end collar and including an anchor. The anchor defines a generally rectangular anchor window extending therethrough. The anchor is configured to bear on an anchoring material secured to the tubular and received through the anchor window. The anchor material includes a thermal spray applied to the tubular. The first end collar is prevented from rotation with respect to the first stop collar.

Abstract: A method for manufacturing a display includes providing a plurality of light guiding fibers or other elements extending out from a display screen. The light guiding elements are in a matrix to form a first light guiding body forming a strip along the edges of each individual display screen. The first light guiding bodies form a compensating portion of an image compensating apparatus, a cross-sectional area of each light guiding element increasing from light-collecting end (closest to the display screen) to opposite light-releasing end. The compensating portion includes a light incident surface and a light emitting surface.

Abstract: An optical waveguide body includes a first layer of optically transmissive material and a second layer of optically transmissive material in contact with the first layer. At least one of the first and second layers is tapered and the first layer has a first index of refraction and the second layer has a second index of refraction less than the first index of refraction and the first and second indices of refraction are both greater than about 1.0.

Abstract: Optical coherence tomography imaging systems and methods are disclosed. According to an aspect, an optical coherence tomography imaging system includes a scanner configured to obtain images and to convert the images to electrical signals. The system also includes a computing device comprising an OCT module configured to receive the electrical signals, to apply an OCT imaging technique, and to generate imaging data.

Abstract: An optical waveguide, such as an optical fiber, which relies on a mechanism involving scattering in random structures to confine light to a region of the waveguide and allow propagation of electromagnetic radiation along the length of the waveguide includes an optically transmissive body having a length and a cross-section transverse to the length, wherein the optically transmissive body has refractive indices that are cross-sectionally random and substantially invariant along the length direction of the waveguide.

Abstract: Multimode beam combiners include at least one gradient-step index optical fiber in which a refractive index difference at a core/cladding interface is selected to provide a numerical aperture so as to provide stable, uniform beam output. One or more such fibers is formed into a tapered bundle than can be shaped to provide a selected illuminated aperture. The fibers in the bundle can be separated by respective tapered claddings so as to be optically coupled or uncoupled. Illumination systems can include a plurality of such fibers coupled to a plurality of laser diodes or other light sources.

Abstract: Disclosed is an optical valve or light valve for providing large area collimated illumination from localized light sources, and system and method thereof for 2D, 3D, and/or autosteroscopic displays. An optical valve may include a stepped structure, in which the steps include separated extraction features which may be optically hidden to light propagating in a first direction. Light propagating in a second direction may be refracted, diffracted, or reflected by the features to provide illumination beams exiting from the top surface of the optical valve. Such controlled illumination may provide for efficient, multi-user autostereoscopic displays as well as improved 2D display functionality.

Abstract: A plurality of cores 51 is disposed around the center axis of a first cladding 52 in a state in which an inter-core distance ? of cores adjacent to each other is equal, a refractive index n1 of the core 51 is provided higher than a refractive index n2 of the first cladding 52, and the refractive index n2 of the first cladding 52 is provided higher than a refractive index n3 of a second cladding 53. Moreover, 5.8??/MFD(2?c/(?c+?op))?8 is satisfied, where the inter-core distance is defined as ?, a mode field diameter of the core is defined as MFD, a cutoff wavelength is defined as ?c, and a wavelength of communication light incident on the core 51 is defined as ?op.

Abstract: An apparatus for compensating an image of a display includes a light incident surface, a light emitting surface, and a plurality of light guiding channels. An area of the light emitting surface is greater than an area of the light incident surface. The plurality of light guiding channels are independent from each other, each light guiding channel extends from the light incident surface to the light emitting surface. A cross section area of the light guiding channel increases along a direction from the first light incident surface to the first light emitting surface. Light from the light incident surface is extended to the light emitting surface by the light guiding channels. The present invention further discloses a method for manufacturing the same.

Abstract: A display may have an array of display pixels that generate an image. A coherent fiber bundle may be mounted on the display pixels. The coherent fiber bundle may have a first surface that is adjacent to the display pixels and a second surface that is visible to a viewer. The coherent fiber bundle may contain fibers that carry light from the first surface to the second surface. The second surface may be planar or may have a central planar region and curved edge regions that run along opposing sides of the central planar region. The fibers may have cross-sectional surface areas with a first aspect ratio on the first surface and a second aspect ratio that is greater than the first aspect ratio on the second surface.

Abstract: An applicator suitable for converting a white-light endoscope into an endoscope for combined white-light/fluorescence imaging is disclosed. The applicator facilitates attachment of an optical element, for example an optical filter, to a distal optical port of an endoscope. The applicator engages with alignment feature on the endoscope's distal end and releasably supports the optical element in an opening that is aligned with the optical port. The optical element is released in a proximal direction by pressing down on an actuator.

Abstract: A light conductor having a bundle of optic fibers to transmit light, and a method for bending the light conductor made up of optic fibers. The light conductor with a bundle of optic fibers to transmit light of a light source, which can be coupled onto a first end portion of the light conductor, to a second end portion of the light conductor, includes a first portion and a curved second portion configured as a connecting portion, where the optic fibers in the second portion are fixed in place with respect to one another, free of tension, by means of a hardened cementing agent, while maintaining the curvature.

Abstract: A display tile includes a display panel and a fused fiber bundle overlay. The display panel includes display pixels and a bezel surrounding the display pixels. The fused fiber bundle overlay includes an input side mounted adjacent to the display panel and optically aligned with the display pixels to receive image light, an emission side opposite the input side to emit the image light, and an array of fused fibers each extending from the input side to the emission side and each including an input end and an emission end. At least a portion of the fused fibers are tapered.

Abstract: A display assembly includes a display selectively displaying human-readable indicia on a face thereof and a cover disposed over the display. The cover has a homogeneous surface over the entire face of the display. The display assembly is controllable between an inactive state and an active state. In the inactive state, the face of the display is not viewable through the cover, and in the active state, the indicia are viewable through the cover.

Abstract: This document discusses, among other things, a connector for an optical imaging probe that includes one or more optical fibers communicating light along the catheter. The device may use multiple sections for simpler manufacturing and ease of assembly during a medical procedure. Light energy to and from a distal minimally-invasive portion of the probe is coupled by the connector to external diagnostic or analytical instrumentation through an external instrumentation lead. Certain examples provide a self-aligning two-section optical catheter with beveled ends, which is formed by separating an optical cable assembly. Techniques for improving light coupling include using a lens between instrumentation lead and probe portions. Techniques for improving the mechanical alignment of a multi-optical fiber catheter include using a stop or a guide.

Abstract: The present invention aims at mitigating a light guide member being peeled off and a display panel being damaged by stress exerted on an adhesive section or the like between the light guide members. A multi-display system has a plurality of display devices (100) arranged in a matrix such that a cushioning member (310) is arranged alongside a light guide member (150) and between the respective light guide members (150) of two of the adjacent display devices (100) among the plurality of display devices (100).

Abstract: LED printhead apparatus and printing systems are presented in which an LED array and a first high angle lens array are housed in an LED printbar assembly and a second low angle lens array is provided between the first lens array and a photoreceptor belt or drum in order to relay the output of the first lens array to the photoreceptor to provide a larger depth of focus and to reduce waterfront and tolerance issues near the photoreceptor.

Abstract: According to one embodiment, a pixel detecting light having the longest wavelength in a picture element includes a protective film which is disposed on a photodiode at a surface side facing a light incident surface of a semiconductor substrate and a first diffraction grating portion which is disposed on the protective film and where columnar holes penetrating in a thickness direction are two-dimensionally arrayed. Diameter and array period of the holes are selected so that the first diffraction grating portion reflects light transmitting through a filter disposed on the pixel.

Abstract: A coupling device for an optical fiber used in optical tomography examination of a medium includes a mass of diffusing material for a wavelength guided by the optical fiber. This mass includes a bearing surface to be applied against the surface of the medium. At least one housing is provided in the mass to receive the end of the optical fiber.

Abstract: Some implementations described herein involve defining a viewing angle range, also referred to herein as a viewing cone. The viewing cone may be produced by an array of optical fibers on a display. The optical fiber array may include tapered optical fibers that are capable of increasing the amount of light transmitted through the optical fiber array. The optical fiber array may be a graded index optical fiber array, wherein the refractive index of the optical fiber cores varies along the axis of the optical fibers.

Abstract: A contoured display that includes a faceplate configured to propagate an image in a collimated manner from an interface surface of the faceplate configured to receive the image from a display device to a display surface of the faceplate. The display surface is contoured to provide a three-dimensional (3D) contoured surface that provides designers with artistic freedom when designing a display shape, and a convenient way to contour a display surface to reduce the effects of glare on the display surface.

Abstract: A decohered laser light production system is provided. The decohered laser light system comprises a laser source. The system further comprises a multi-mode fiber having an input face, an output face and a body for propagating light from the input face to the output face, the input face arranged to accept laser light from the laser source, the body comprising a length such that laser light is generally decohered when exiting the output face.

Abstract: An optical fiber with image enhancement is provided with, in combination an elongated optical fiber unit including an image input surface on a bottom, an image output surface on a top, and a light guide member between the image input surface and the image output surface. The elongated optical fiber unit is a triangular sectional structure having a vertical surface and an inclined surface, and length of the image output surface is greater than that of the image input surface. The elongated optical fiber unit is configured to seamlessly fasten in a joining portion of two rectangular panels so that light is configured to pass through the image input surface, the light guide member, and the image output surface.

Abstract: An exemplary embodiment providing one or more improvements includes an endoscope connector for connecting any given one of a plurality of working assemblies to an imaging assembly.

Abstract: A traceable cable assembly comprises: a fiber optic cable including a cable jacket that encloses an optical fiber, and two conductive elements that are embedded spacedly in the cable jacket and that extend along the optical fiber; and multiple lighting units spacedly secured to the fiber optic cable. Each lighting unit includes a connecting seat provided with a light emitting element, and mounted to the fiber optic cable so that the light emitting element is connected electrically between the conductive elements through the connecting seat. A portable power device is detachably coupled to the connecting seat of one lighting unit for supplying a supply voltage to the light emitting element of each lighting unit through the conductive elements.

Abstract: A method, apparatus, and system for controlling from a first location a laser at a second location are disclosed. Laser orientation data is determined at a first location. The laser orientation data is communicated to the second location. Video data is received from the second location that includes imagery of a laser beam emitted by a laser, and the imagery is presented on a display at the first location.

Abstract: In one embodiment, an apparatus may include an optical fiber that may have a surface non-normal to a longitudinal axis of a distal end portion of the optical fiber. The surface may define a portion of an interface configured to redirect electromagnetic radiation propagated from within the optical fiber and incident on the interface to a direction offset from the longitudinal axis. The apparatus may also include a doped silica cap that may be fused to the optical fiber such that the surface of the optical fiber may be disposed within a cavity defined by the doped silica cap.

Abstract: A beam homogenizing apparatus includes at least one flexible optical fiber for receiving light, the flexible optical fiber including a homogenizing output portion having a tileable cross-section, the output portion for producing a substantially homogenized intensity profile for light emitted therefrom.

Abstract: Exemplary apparatus for obtaining information for a structure can be provided. For example, the exemplary apparatus can include at least one first optical fiber arrangement which is configured to transceive at least one first electro-magnetic radiation, and can include at least one fiber. The exemplary apparatus can also include at least one second focusing arrangement in optical communication with the optical fiber arrangement. The second arrangement can include a ball lens, and be configured to focus and provide there through the first electro-magnetic radiation to generate the focused electro-magnetic radiation. Further, the exemplary apparatus can include at least at least one dispersive third arrangement which can receive a particular radiation (e.g., the first electro-magnetic radiation(s) and/or the focused electro-magnetic radiation), and forward a dispersed radiation thereof to at least one section of the structure.

Abstract: A contoured display that includes a faceplate configured to propagate an image in a collimated manner from an interface surface of the faceplate configured to receive the image from a display device to a display surface of the faceplate. The display surface is contoured to provide a three-dimensional (3D) contoured surface that provides designers with artistic freedom when designing a display shape, and a convenient way to contour a display surface to reduce the effects of glare on the display surface.

Abstract: The invention relates to a method for terminating optical fiber bundles, wherein the fiber bundle is inserted into a sleeve which is filled with adhesive.

Abstract: An optic assembly is provided, that assembly comprising: a bullet collection lens; a plurality of fiber optic fiber bundles; and those fiber optic bundles being parallel to a central channel.

Abstract: A method and apparatus for imaging using a double-clad fiber is described.

Abstract: Endoscopes and other viewing devices that control the light that contacts a sample and/or that is detected emanating from a sample. The viewing devices are particularly well suited for in vivo imaging, although other uses are also included. The viewing devices, and methods related thereto, comprise a spatial light modulator in the illumination and/or detection light path so that light transmitted to the target via a bundle of light guides or optical system is transmitted substantially only into the cores of the light guide bundle and not into the cladding surrounding the light guides, filler between the light guides in the bundle, or undesired light guides. Also, methods and apparatus for mapping the pixels of the spatial light modulator to the cores of the light guides in the bundle (preferably at least 3 pixels (e.g., at least 3 mirrors for a digital micromirror device) for each core), as well as for mapping the light guides of one light guide bundle to another.

Abstract: An optical apparatus of a head mounted display includes a fused fiber bundle, an image source, and an image lens. The fused fiber bundle includes an array of fused optical fibers having an in-coupling surface located at a first end and an out-coupling surface physically facing an eye-ward direction and located at a second end. The fused fiber bundle is tapered such that the in-coupling surface has a larger surface area than the out-coupling surface to compress the light image. The image source is disposed at the first end of the fused fiber bundle and optically aligned with the in-coupling surface to launch the light image into the fused fiber bundle. The image lens is disposed at the second end and optically aligned with the out-coupling surface to focus the light image emitted from the second end towards an eye when the head mounted display is worn.

Abstract: For an enhanced coupling efficiency between a light source and an optical fiber bundle: the optical fiber bundle is made up by a dense bundle of optical fibers, with an integrated portion composed of fusion-integrated distal ends of the bundled optical fibers, and the integrated portion has, in a longitudinal sectional plane along a center axis of the optical fiber bundle, a lateral side thereof formed, in a shape of arc radially outwardly convex with respect to a straight line interconnecting an end point at a front end face side of the integrated portion and an end point at a rear end side thereof, to locate at a radially inner side with respect to an extension toward the integrated portion of a line constituting an outline of a portion else than the integrated portion of the optical fiber bundle.

Abstract: A display may have an array of display pixels that generate an image. A coherent fiber bundle may be mounted on the display pixels. The coherent fiber bundle may have a first surface that is adjacent to the display pixels and a second surface that is visible to a viewer. The coherent fiber bundle may contain fibers that carry light from the first surface to the second surface. The second surface may be planar or may have a central planar region and curved edge regions that run along opposing sides of the central planar region. The fibers may have cross-sectional surface areas with a first aspect ratio on the first surface and a second aspect ratio that is greater than the first aspect ratio on the second surface.

Abstract: An imaging device including an illumination module including at least one emitter for emitting at least one excitation beam, a scanning and injection module including an image guide, a proximal end and a distal end of which are linked by a plurality of optical fibers, and a scanning and injection optical system configured to alternately inject the at least one excitation beam into an optical fiber of the image guide from the proximal end of the image guide, and a detection module including at least one detector for detecting at least one luminous flux collected at the distal end of the image guide. At least one of the illumination module and the detection module is optically conjugated with the scanning and injection module by a conjugating optical fiber.

Abstract: An optical fiber comprising non-silica, specialty glass that has multiple fiber cores arranged in a square registered array. The fiber cores are “registered” meaning that the array location of any fiber core is constant throughout the entire length of the fiber, including both ends. Optical fiber bundles are fabricated by combining multiple multi-core IR fibers with square-registration. Also disclosed is the related method for making the optical fiber.

Abstract: Methods and apparatus for a fiber optic display system. In one embodiment, a fiber optic display screen comprises a laser source, relay optics to receive an output from the laser source, condenser optics coupled to the relay optics, a digital pixelator coupled to the condenser optics, a fiber optic transmission line coupled to the digital pixelator, and a fiber optic screen provided by terminal ends of fibers in the fiber optic transmission line.

Abstract: Fiber optic devices, methods for producing same, and uses of such optical devices are provided. The method includes combining light conducting rods to form bundles in accordance with predefined rules with respect to a cross-sectional area and number thereof in relation to a surrounding sheath, and are subjected to a drawing process. The strong fiber rod produced by the drawing process has an approximately hexagonal outer shape, and due to the drawing process the light conducting rods also have an approximately hexagonal outer contour. Thereby, a high packing density of about 99% is achieved in the fiber rod. Through a further process sequence of bundling and drawing these fiber rods, high-resolution multi-fiber rods are produced that include several thousand light conducting rods, the diameter of an individual light conducting rod included therein being less than 100 ?m.

Abstract: Disclosed is an exemplary wavelength converting illumination probe having an illumination probe that can be selectively connected to a light source configured to generate light at a first wavelength range. The illumination probe including a lumen defining an aperture in a distal end of the illumination probe for emitting light. The wavelength converting illumination probe further including a wavelength converting element disposed within the lumen of the illumination probe. The wavelength converting element operable for receiving light from the light source at the first wavelength range, and converting the light to a second wavelength range.

Abstract: A light distribution assembly includes a housing having a longitudinal length and having one or more light sources mounted to the housing. The light distribution assembly also includes a coupler section having a body extending from the housing along a longitudinal axis between a light entry end and a light exit end. The light entry end has a major axis extending in a first direction and the light exit end has a major axis extending in a second direction, wherein the coupler section is shaped such that the body is rotated about the longitudinal axis of the coupler section so that first direction is approximately perpendicular relative to the second direction. One or more light pipes are attached to the light exit end of the coupler section.

Abstract: Disclosed is a composite optical fiber which has high flexibility and is hard to break. The composite optical fiber comprises a larger-diameter optical fiber and smaller-diameter optical fibers each having a smaller diameter than that of the larger-diameter optical fiber, wherein the larger-diameter fiber and the smaller-diameter optical fibers are so arranged that the larger-diameter fiber is surrounded by the smaller-diameter optical fibers, and the smaller-diameter optical fibers that surround the larger-diameter optical fiber are made from a plastic material.

Abstract: This document discusses, among other things, a connector for an optical imaging probe that includes one or more optical fibers communicating light along the catheter. The device may use multiple sections for simpler manufacturing and ease of assembly during a medical procedure. Light energy to and from a distal minimally-invasive portion of the probe is coupled by the connector to external diagnostic or analytical instrumentation through an external instrumentation lead. Certain examples provide a self-aligning two-section optical catheter with beveled ends, which is formed by separating an optical cable assembly. Techniques for improving light coupling include using a lens between instrumentation lead and probe portions. Techniques for improving the mechanical alignment of a multi-optical fiber catheter include using a stop or a guide.

Abstract: The present invention relates to a light modulating device, comprising a SLM and a pixelated optical element, in which a group of at least two adjacent pixels of the SLM in combination with a corresponding group of pixels in the pixelated optical element form a macropixel, the pixelated optical element being of a type such that its pixels comprise a fixed content, each macropixel being used to represent a numerical value which is manifested physically by the states of the pixels of the SLM and the content of the pixels of the pixelated optical element which form the macropixel.