Abstract: A collation device includes a light source unit; a camera unit that receives light emitted from the light source unit and reflected in a collation area of an object to acquire a photographed image of the collation area; and a processor configured to, by executing a program: detect a positional relationship between the light source unit and the camera unit by using the photographed image, and notify of a collation result between the photographed image and a registered image prepared in advance by using the positional relationship.

Abstract: A processing apparatus includes a holding section that holds a processing target, an imaging section that is positionally fixed with respect to the holding section, and images a surface of the processing target, and a control section that controls the imaging section to image the surface of the processing target in a state in which the holding section holds the processing target.

Abstract: A collation device includes a light source unit; a camera unit that receives light emitted from the light source unit and reflected in a collation area of an object to acquire a photographed image of the collation area; and a processor configured to, by executing a program: detect a positional relationship between the light source unit and the camera unit by using the photographed image, and notify of a collation result between the photographed image and a registered image prepared in advance by using the positional relationship.

Abstract: A processing apparatus includes a holding section that holds a processing target, an imaging section that is positionally fixed with respect to the holding section, and images a surface of the processing target, and a control section that controls the imaging section to image the surface of the processing target in a state in which the holding section holds the processing target.

Abstract: A product manufacturing method includes acquiring a random pattern in one region on a surface of a first member by capturing an image of the first member; acquiring identification information, based on which a second member is individually identifiable, from the second member, the second member being combined with the first member to constitute a product; storing the acquired random pattern and the acquired identification information in association with each other; and forming the product by combining the first member and the second member.

Abstract: A holographic-stereogram-forming apparatus includes a laser beam source that generates a laser beam to be split into an object beam and a reference beam; a display that displays an original image corresponding to a substantially strip-shaped holographic element constituting a holographic stereogram containing parallax information in a horizontal direction; a diffusing unit provided on a light-emission side of the display and including optical elements having different thicknesses in a direction of light transmission, the optical elements being arranged in a matrix and each having a substantially rectangular shape with a vertical length being shorter than a horizontal length, the diffusing unit diffusing object beam more widely in the vertical direction than in the horizontal direction, the object beam to be diffused by the diffusing unit being generated by the display; and a condensing unit that condenses the object beam diffused by the diffusing unit on a hologram recording medium.

Abstract: A composition for a hologram recording material includes a binder precursor containing a compound having a structure represented by formula A below, a polymerizable monomer and a photopolymerization initiator. In the formula A, R1 to R3 each represent a hydrogen atom or a substituent, E represents a divalent electron attracting group, a wavy line portion represents a bonding site with another structure, and when E is —C(?O)O—, R3 is not an alkyl group.

Abstract: An image recording device includes a laser beam source that emits a laser beam, a splitting unit that splits the laser beam emitted from the laser beam source into two laser beams, a display device that displays images over a display area thereof divided into segments, a display controller that controls display of the display device so that images for forming a holographic stereogram are displayed on the segments of the display area and so that one of the laser beams is modulated by the images displayed on the display device to become object beams, an optical system that images the object beams on a hologram recording medium so that the object beams are superimposed one on top of another, and an irradiating unit that irradiates the hologram recording medium with, besides the object beams, the other laser beam split by the splitting unit as a reference beam.

Abstract: A holographic-stereogram-forming apparatus includes a laser beam source that generates a laser beam to be split into an object beam and a reference beam; a display that displays an original image corresponding to a substantially strip-shaped holographic element constituting a holographic stereogram containing parallax information in a horizontal direction; a diffusing unit provided on a light-emission side of the display and including optical elements having different thicknesses in a direction of light transmission, the optical elements being arranged in a matrix and each having a substantially rectangular shape with a vertical length being shorter than a horizontal length, the diffusing unit diffusing object beam more widely in the vertical direction than in the horizontal direction, the object beam to be diffused by the diffusing unit being generated by the display; and a condensing unit that condenses the object beam diffused by the diffusing unit on a hologram recording medium.

Abstract: A light emitting unit includes a substrate, plural light emitting elements disposed on the substrate, and a lens array disposed above the plural light emitting elements. The lens array includes a base and plural lenses that each focus light emitted from a corresponding light emitting element among the plural light emitting elements. The base includes a boundary surface which is in contact with the plural lenses and an opposing surface which opposes the plural light emitting elements. The distance from one of the plural light emitting elements to the boundary surface of the base which is in contact with a corresponding lens among the plural lenses is different from the distance from another one of the plural light emitting elements to the boundary surface of the base which is in contact with a corresponding lens among the plural lenses.

Abstract: A polymer optical waveguide includes: at least one core through which light propagates; a cladding which surrounds the core and has a refractive index less than that of the core; at least one conductive wire being provided on at least one side of the cladding, the polymer optical waveguide having a sheet shape, the conductive wire including a conductive layer which is provided on the at least one side of the cladding and being partitioned by a first groove, and the core being formed between second grooves each of which is formed in at least a part of the first groove.

Abstract: A method of manufacturing an optical waveguide includes forming a core layer on a first clad layer, forming a second clad layer on the core layer, forming a first groove including at least one inclined surface in the second clad layer and the core layer to be in substantially parallel to and near one end of the second clad layer and one end of the core layer, the at least one inclined surface of the first groove having such an angle that the core layer is exposed when viewed above the second clad layer, forming a second groove including at least one inclined surface in the second clad layer on a inner side of the first groove, forming a separation groove in the clad layers and the core layer in a direction intersecting the first groove, and forming a plurality of cores intersecting the first groove.

Abstract: A polymer optical waveguide includes: a core; and a cladding enclosing the core and extending along a direction of light propagation, the polymer optical waveguide having a substantially rectangular parallelepiped shape, and the polymer optical waveguide having, at least at a position near one end thereof in a longitudinal direction, a groove that has a surface inclined at an angle of 45° with respect to the light propagation direction which reflects light propagating through the core so as to change the light propagation direction by 90°.

Abstract: An optical waveguide film includes: an optical waveguide film main body including an optical waveguide core through which light travels and a cladding portion that encloses the optical waveguide core and has a lower refractive index than that of the optical waveguide core; and a marking member that is disposed at least at a portion of a principal surface of the optical waveguide film main body so as to protrude from the principal surface and that includes, at a surface thereof, a groove-shaped mark for positioning.

Abstract: An optical waveguide comprising: a waveguide core through which light propagates; a cladding that surrounds the waveguide core and has a refractive index that is less than the refractive index of the waveguide core; a metal layer that is formed on a surface of at least one end of the optical waveguide in a longitudinal direction, the surface being inclined so as not to be perpendicular to the longitudinal direction; and a channel that is formed at a portion of an outer surface of the cladding, the outer surface forming an acute angle with the inclined surface, and the channel being positioned such that light entering the optical waveguide adjacent the channel is reflected by the inclined surface into the waveguide core.

Abstract: An optical waveguide includes: an optical waveguide core through which light propagates, at least one end portion of the optical waveguide core in a longitudinal direction thereof having an inclined surface; a reflective layer provided on the inclined surface and formed by a metal layer of silver or a silver alloy; a protective layer disposed to cover the reflective layer; and a cladding portion enclosing the optical waveguide core and having a lower refractive index than that of the optical waveguide core.

Abstract: An optical waveguide film includes an optical waveguide film main body having an optical waveguide core through which light is propagated, and a cladding portion that encloses the optical waveguide core and has a lower refractive index than that of the optical waveguide core; and an electric wiring layer formed on at least a part of a principal surface of the optical waveguide film main body.

Abstract: An optical waveguide includes: a core portion through which light propagates; a cladding portion enclosing the core portion along a direction of light propagation, and a colored resin for position recognition marking, the optical waveguide having substantially planar outer surfaces including principal surfaces thereof, and the colored resin being embedded in the optical waveguide at a position that does not substantially overlap the core portion when viewed from a direction perpendicular to a principal surface of the optical waveguide and does not substantially contact the core portion.

Abstract: An optical waveguide film includes: an optical waveguide film main body including an optical waveguide core through which light travels and a cladding portion that surrounds the optical waveguide core and has a lower refractive index than that of the optical waveguide core; an electric wiring portion including silver or a silver alloy and formed on at least a part of a principal surface of the optical waveguide film main body; and a protective layer including a titanium layer or a titanium alloy layer and disposed to cover the electric wiring portion.

Abstract: An optical waveguide comprising: a waveguide core through which light propagates; a cladding that surrounds the waveguide core and has a refractive index that is less than the refractive index of the waveguide core; a metal layer that is formed on a surface of at least one end of the optical waveguide in a longitudinal direction, the surface being inclined so as not to be perpendicular to the longitudinal direction; and a channel that is formed at a portion of an outer surface of the cladding, the outer surface forming an acute angle with the inclined surface, and the channel being positioned such that light entering the optical waveguide adjacent the channel is reflected by the inclined surface into the waveguide core.