Abstract: A radiation detector including: a substrate formed with a plural pixels in pixel region of a flexible base member, the plural pixels accumulates charges generated in response to light converted from radiation; a conversion layer provided at a surface to which the pixel region is provided on the base member, the conversion layer converts the radiation into light; and a reinforcement substrate provided at a surface of the conversion layer that faces a surface of the substrate side, the reinforcement substrate contains a material having a yield point and has a higher rigidity than the base member.

Abstract: A bonding structure manufacturing method for manufacturing a bonding structure in which a first member and a second member are bonded is provided with: a step for forming a perforation with an opening in the surface of the first member and forming a protrusion that protrudes into the inner circumferential surface of the perforation; a step for disposing the region of the first member where the perforation is formed adjacent to the second member; and step for filling and curing the second member in the perforation of the first member by irradiating a laser on the region of the first member where the perforation is formed from the second member side.

Abstract: A reflective light control film includes a transparent film having a plurality of protruded line patterns formed on one surface of the base film, each of the protruded line patterns including a first side having an inclination angle with respect to the one surface of the base film and a second side, and a light reflection layer provided on the first side. The reflective light control film has excellent visibility for the screen even if it is not provided with a separate shade, and the screen is prevented from being reflected on the windshield.

Abstract: A method of manufacturing a coupling element configured to couple light between an optical device and one or more optical fiber comprises forming one or more waveguide in the silica. The one or more waveguide having a refractive index configured to guide the light between the optical device and the optical fiber. The forming of the one or more waveguide comprises photo-inducing a refractive index variation of the silica material.

Abstract: An optical shaping method according to the present invention is an optical shaping method for shaping a three-dimensional structure by repeating a process for forming a cured resin layer 53 by irradiating an optically curing resin liquid 51 with light so that cured resin layers 53 are laminated. The process for forming the cured resin layer 53 includes, while applying a sheet light Ls to the optically curing resin liquid 51, applying a first light beam L1 intersecting the sheet light Ls to this optically curing resin liquid, and thereby forming the cured resin layer 53 in an area where the sheet light Ls intersects the first light beam L1. The irradiation place of the sheet light Ls is moved and the process for forming the cured resin layer 53 is repeated.

Abstract: An optical device comprising an optical hydrogel with select regions that have been irradiated with laser light having a pulse energy from 0.01 nJ to 50 nJ and a wavelength from 600 nm to 900 nm. The irradiated regions are characterized by a positive change in refractive index of from 0.01 to 0.06, and exhibit little or no scattering loss. The optical hydrogel is prepared with a hydrophilic monomer.

Abstract: A lens for placement in a human eye, such as intraocular lens, has at least some of its optical properties formed with a laser. The laser forms modified loci in the lens when the modified loci have a different refractive index than the refractive index of the material before modification. Different patterns of modified loci can provide selected dioptic power, toric adjustment, and/or aspheric adjustment provided. Preferably both the anterior and posterior surfaces of the lens are planar for ease of placement in the human eye.

Abstract: An optical device comprising an optical hydrogel with select regions that have been irradiated with laser light having a pulse energy from 0.01 nJ to 50 nJ and a wavelength from 600 nm to 900 nm. The irradiated regions are characterized by a positive change in refractive index of from 0.01 to 0.06, and exhibit little or no scattering loss. The optical hydrogel is prepared with a hydrophilic monomer.

Abstract: A system/method allowing hydrophilicity alteration of a polymeric material (PM) is disclosed. The PM hydrophilicity alteration changes the PM characteristics by decreasing the PM refractive index, increasing the PM electrical conductivity, and increasing the PM weight. The system/method incorporates a laser radiation source that generates tightly focused laser pulses within a three-dimensional portion of the PM to affect these changes in PM properties. The system/method may be applied to the formation of customized intraocular lenses comprising material (PLM) wherein the lens created using the system/method is surgically positioned within the eye of the patient. The implanted lens refractive index may then be optionally altered in situ with laser pulses to change the optical properties of the implanted lens and thus achieve optimal corrected patient vision. This system/method permits numerous in situ modifications of an implanted lens as the patient's vision changes with age.

Abstract: A lens for placement in a human eye, such as intraocular lens, has at least some of its optical properties formed with a laser. The laser forms modified loci in the lens when the modified loci have a different refractive index than the refractive index of the material before modification. Different patterns of modified loci can provide selected dioptic power, toric adjustment, and/or aspheric adjustment provided. Preferably both the anterior and posterior surfaces of the lens are planar for ease of placement in the human eye.

Abstract: A manufacturing method for a display module is provided. The method comprises following steps. A module structure comprising a cover plate, a substrate, and a front plate disposed between the cover plate and the substrate is provided. A space is defined by a lower surface of the cover plate, an upper surface of the substrate, and a side surface of the front plate. A holding structure comprising a holding layer disposed under the module structure is provided. A sealant is filled into the space. Portions of the package layer and the holding structure disposed outside a side surface of the cover plate and a side surface of the substrate are removed.

Abstract: Lens assemblies including a substrate and a plurality of mechanically isolated lenses coupled to the substrate are disclosed. The substrate may have a low coefficient of thermal expansion. Optical connectors including the lens assemblies described herein, as well as methods of fabricating a lens assembly, are also disclosed. In one embodiment, a lens assembly includes a substrate having a first surface, and a lens layer including a plurality of lenses. A coefficient of thermal expansion of the substrate is different from a coefficient of thermal expansion of the plurality of lenses. The lens layer is coupled to the first surface of the substrate, and each lens of the plurality of lenses is mechanically isolated from adjacent lenses of the plurality of lenses by gap regions within the lens layer.

Abstract: The present invention provides a laser processing method comprising the steps of attaching a protective tape 25 to a front face 3 of a wafer 1a, irradiating a substrate 15 with laser light L while employing a rear face of the wafer 1a as a laser light entrance surface and locating a light-converging point P within the substrate 15 so as to form a molten processed region 13 due to multiphoton absorption, causing the molten processed region 13 to form a cutting start region 8 inside by a predetermined distance from the laser light entrance surface along a line 5 along which the object is intended to be cut in the wafer 1a, attaching an expandable tape 23 to the rear face 21 of the wafer 1a, and expanding the expandable tape 23 so as to separate a plurality of chip parts 24 produced upon cutting the wafer 1a from the cutting start region 8 acting as a start point from each other.

Abstract: In an imprint method of an embodiment, in the imprinting of an imprint shot including an outermost peripheral region of a substrate where resist is not desired to be entered at the time of imprinting, light curing the resist is applied to a light irradiation region with a predetermined width including a boundary between the outermost peripheral region and a pattern formation region more inside than the outermost peripheral region, whereby the resist which is to enter inside the outermost peripheral region is cured. Then, light curing the resist filled in a template pattern is applied onto a template.

Abstract: A method of determining conditioning pulse parameters for an optical element includes directing a pump pulse to impinge on the optical element and directing a probe pulse to impinge on the optical element. The method also includes determining a first time associated with an onset of electronic excitation leading to formation of an absorbing region of the optical element and determining a second time associated with expansion of the absorbing region of the optical element. The method further includes defining a turn-off time for a conditioning pulse between the first time and the second time. According to embodiments of the present invention, pulse shaping of the conditioning pulse enables laser conditioning of optical elements to achieve improvements in their laser induced damage threshold.

Abstract: A lens for placement in a human eye, such as intraocular lens, has at least some of its optical properties formed with a laser. The laser forms modified loci in the lens when the modified loci have a different refractive index than the refractive index of the material before modification. Different patterns of modified loci can provide selected dioptic power, toric adjustment, and/or aspheric adjustment provided. Preferably both the anterior and posterior surfaces of the lens are planar for ease of placement in the human eye.

Abstract: A light transmissive structure includes a light transmissive substrate having first and second opposing faces and array of microprism elements on the first face, with a respective microprism element including a plurality of concentric microprisms. The light transmissive structure is configured to receive light from a light source facing the first face and distribute the light emerging from the second face in a 2D batwing distribution.

Abstract: Gradient-index (GRIN) lens fabrication employing laser pulse width duration control, and related components, systems, and methods are disclosed. GRIN lenses can be fabricated from GRIN rods by controlling the pulse width emission duration of a laser beam emitted by a laser to laser cut the GRIN rod, as the GRIN rod is disposed in rotational relation to the laser beam. Controlling laser pulse width emission duration can prevent or reduce heat accumulation in the GRIN rod during GRIN lens fabrication. It is desired that the end faces of GRIN lenses are planar to facilitate light collimation, easy bonding or fusing of the GRIN lens to optical fibers to reduce optical losses, polishing to avoid spherical aberrations, and/or cleaning the end faces when disposed in a fiber optic connector, as non-limiting examples.

Abstract: An optical interposer that includes a glass substrate having one or more optical vias extending through the glass substrate. A first optical polymer may be bonded to the substrate and to interior surfaces of the one or more optical vias. Implementations include one or more optical via cores comprising a second optical polymer that has a greater refractive index than the first optical polymer. The one or more optical via cores may be at least partially surrounded by the first optical polymer. Embodiments include encapsulated optical waveguides in communication with the optical vias and/or via cores. Example implementations include layers of electrical insulation, electrical traces, and electrical vias. A method of manufacture includes forming the optical vias by laser ablation. Certain embodiments may include chemically etching the inside of the vias to improve surface roughness.

Abstract: The present invention provides silk photonic crystals that can be used to enhance light-induced effects. Also disclosed are biocompatible, functionalized, all-protein inverse opals and related methods.

Abstract: A method of fabricating a microlens array, the method comprising the steps of: compressing a shape memory polymer substrate with a predetermined load; indenting the shape memory polymer substrate to form an array of micro-indents; immersing the shape memory polymer substrate in a solvent capable of causing stress-enhanced swelling in the shape memory polymer substrate such that the array of micro-indents forms a corresponding array of micro-protrusions on the shape memory polymer substrate due to the stress-enhanced swelling of the micro-indents; and heating the shape memory polymer substrate to form at least one curved surface of the shape memory polymer substrate under the micro-protrusion array.

Abstract: The invention discloses methods for making photonic bandgap structures and photonic bandgap structures made by those processes. In one embodiment, the photonic bandgap structure is flexible. In another photonic bandgap structure, the structure has a graded, periodic grating. One embodiment of a method according to the present invention comprises the steps of preparing a pre-polymer mixture, positioning that mixture between two slides, exposing the mixture to electromagnetic radiation, curing the mixture, and discarding at least one of the slides. In another embodiment of the method, the pre-polymer mixture is exposed to the electromagnetic radiation through a prism. In one embodiment of the method, the pre-polymer mixture is exposed to the electromagnetic radiation through a lens. In one embodiment of the invention, the photonic bandgap structure is used as a filter in a multispectral imaging device comprising a imaging device, the filter, a processor, and an electronic image storage device.

Abstract: A display device includes a display area and a non-display area, a first alignment layer disposed on a first substrate, a second alignment layer disposed on a second substrate, a liquid crystal layer disposed between the first alignment layer and the second alignment layer; and a groove disposed in the non-display area of the second substrate to correspond to at least a portion of an end portion of the second alignment layer. The groove is provided along at least one side of the display area and is configured to be filled by an alignment solution used to from the second alignment layer and prevent the alignment solution from dispersing to other areas of the second substrate.

Abstract: According to one aspect of the present disclosure, an implant for correcting vision impairment is disclosed. The implant is made from a donor corneal tissue sized and shaped to provide a predetermined refractive correction and reshaping of a cornea. The donor corneal tissue includes a posterior surface and an anterior surface. The posterior surface has a surface profile that is configured to generally correspond to a shape of an implantation site of the cornea.

Abstract: An optical component and a method of producing the same, which optical component is obtained by photopolymerizing a photopolymerizable composition so as to comprise a matrix and numerous columnar structure bodies oriented in one direction within the matrix, wherein the columnar structure bodies differ in refractive index from the matrix and are arrayed in a lattice in the plane perpendicular to said orientation direction to have a highly arrayed structure whose refractive index periodically changes on the order of 80 nm to 1,000 micrometer. The optical component according to the invention is imparted with a structure whose refractive index periodically changes with high regularity on the order of about 80 nm to 1,000 micrometer and, owing to this property, is usable in optical sheet, optical film and other ordinary optical applications.

Abstract: The present invention relates to a method of forming an optical element that includes a mark. The method involves, irradiating at least a portion of a surface of the optical element with laser radiation, thereby forming a plurality of substantially parallel elongated grooves in the portion of the surface, which are each aligned substantially parallel with a common longitudinal direction that extends from a center point of the plurality of elongated grooves. The plurality of elongated grooves together define the mark. A clear film is formed over at least the portion of the surface and the plurality of elongated grooves. Depending on the orientation of a source of electromagnetic radiation as viewed through the optical element relative to the common longitudinal direction of the grooves, the mark is either observable or unobservable. The present invention also relates to an optical element having a mark, as described above.

Abstract: A laser-marked polymer workpiece is described. The workpiece has a transparent component and an opaque component applied to at least one region of the transparent component. A mark is introduced onto a surface of the opaque component facing the transparent component with at least one laser. The mark is introduced, via a laser, through the transparent component. The mark is a lightening of the surface of the opaque component on which the mark was introduced.

Abstract: Methods are provided for making layers with nano-and micro-patterned topographies by laser action or inkjet printing on a first surface. These topographies have a periodicity of 5 nm to 500 ?m in a first direction in the plane of the first surface. These layers can be used as anisotropically patterned alignment layers in electro-optical devices and generate an orientational order of at least 0.30.

Abstract: A system/method allowing hydrophilicity alteration of a polymeric material (PM) is disclosed. The PM hydrophilicity alteration changes the PM characteristics by decreasing the PM refractive index, increasing the PM electrical conductivity, and increasing the PM weight. The system/method incorporates a laser radiation source that generates tightly focused laser pulses within a three-dimensional portion of the PM to affect these changes in PM properties. The system/method may be applied to the formation of customized intraocular lenses comprising material (PLM) wherein the lens created using the system/method is surgically positioned within the eye of the patient. The implanted lens refractive index may then be optionally altered in situ with laser pulses to change the optical properties of the implanted lens and thus achieve optimal corrected patient vision. This system/method permits numerous in situ modifications of an implanted lens as the patient's vision changes with age.

Abstract: A process for preparing a subassembly, the process comprising: (a) defining the location of one or more grooves for receiving optical conduits on the top planar surface of a wafer or panel, the grooves corresponding to multiple interposers on the wafer or panel; and (b) etching the grooves into the wafer or panel, each groove having sidewalls and first and second terminal ends and a first facet at each terminal end perpendicular to the side walls, each first facet having a first angle relative to the top planar surface, each groove being shared by a pair of transmitting and receiving interposers on the wafer or panel prior to being diced such that the first and second terminal ends of each groove correspond to transmitting and receiving interposers, respectively.

Abstract: A security mark is produced on a micro-porous, synthetic paper, structure by changing light transmission properties of light pathways through the structure. The security mark is visible when the structure is illuminated.

Abstract: An apparatus for forming a pattern using a laser is provided. The apparatus includes a pattern storing unit, a controller, a laser oscillating unit, an X-Y driver, a header unit, and a stage. The pattern storing unit stores data on light guide patterns of a discontinuous straight line shape. The controller transmits position signal of the light guide patterns to the X-Y driver and simultaneously, transmits a switching signal to the laser oscillating unit. The laser oscillating unit outputs a laser beam synchronized with a movement of the header unit. The X-Y driver moves the header unit and the stage. The header unit moves along a first guide rail. The stage moves along a fixed second guide rail in the front and rear direction of the light guide panel.

Abstract: An anti-glare film and a method of fabricating the same. The anti-glare film includes a transparent substrate, a photocurable resin layer stacked on one surface of the transparent substrate, and a plurality of amorphous patterns formed on a surface of the photocurable resin layer. The anti-glare film can provide excellent diffusion of light, exhibit excellent brightness without deterioration of transmittance, and provide excellent front brightness and visibility when applied to polarizing plates and display devices.

Abstract: A lens array for imaging image elements in an object plane, and a method of making a lens array. The lens array includes lenslets formed in or on one side of a transparent or translucent material with the image elements disposed on the opposite side, and has a gauge thickness corresponding to the distance from the apex of each lenslet to the object plane. Each lenslet has a set of lens parameters. The gauge thickness and/or at least one lens parameter is or are optimised such that each lenslet has a focal point size in the object plane which is either substantially equal to the size of the image elements in the object plane, or varies from the size of the image elements by a predetermined amount.

Abstract: In an optical disk manufacturing apparatus, a movement mechanism changes the movement speed of a laser beam irradiation component from a first to a second speed at a first radial position located within where the laser beam irradiation component moves from an inner peripheral region of the optical disk to an identification information recording region of the optical disk, and changes the movement speed from the second to a third speed at a second radial position at which the laser beam irradiation component has reached the identification information recording region at the second speed. The second speed is lower than the first speed and the third speed. The laser beam irradiation component records the identification information by irradiating with a laser beam while alternating between a first power level and a second power level low enough not to crystallize the recording layer, when moving through the identification information recording region.

Abstract: For manufacturing ophthalmic lenses and other optical form bodies made of plastic material, plastic form parts are used which are made by non-cutting shaping and are then further worked by mechanical production steps. Said plastic form parts are circular blanks (1) made of two different plastic materials which are firmly joined to each other. Thereby, an interior lens element (2) that consists of a high-quality material is concentrically surrounded by a ring fixture (3) which consists of a low priced material. Either surface of the lens element (2) may feature any given geometry. During mechanical working, the ring fixture (3) is used for mounting as well as for depositing and, in addition, for stabilizing the workpiece (9). For this reason it is partially maintained throughout the mechanical working and is cut off at the end only.

Abstract: A method and system for generating an optical fiber is provided. The method includes creating a green fiber consisting primarily of a ceramic material and sintering the green fiber with a laser by moving the green fiber through a beam of the laser to increase the density of the fiber after sintering. The system for creating a continuous optical fiber includes an extruder, a processing chamber and a laser. The extruder is configured to extrude a ceramic slurry as a green fiber. The processing chamber is configured to receive and process the green fiber. And, the laser is configured to direct a laser spot on the green fiber exiting the processing chamber to sinter the green fiber.

Abstract: A sheet-form light-redirecting optical article for illuminating building interiors with sunlight. At least one embodiment comprises a sheet of optically transmissive rigid material, preferably Poly(methyl methacrylate), in which a plurality of deep and narrow parallel channels are formed and arranged in two perpendicular arrays. Each channel has opposing walls configured for reflecting light by means of a Total Internal Reflection (TIR). At least a portion of off-axis rays incident onto the surface of the sheet is redirected by the TIR walls of the light-guiding channels. At least one embodiment comprises a grid formed by intersecting specular reflectors and further comprises a light diffusing element optically coupled to the grid. Disclosed also are a method for making the intersecting arrays of light-redirecting channels.

Abstract: In a method for decorating a plastic package, on at least a part of a surface of the plastic package, portions which are different in optical characteristics from the surface are periodically arranged to decorate the surface.

Abstract: A system for determining the shape of a cornea of an eye illuminates at least one of the interior surface, the posterior surface, and the interior region of the eye with infrared light of a wavelength that can generate fluorescent light from the portion of the cornea illuminated. The generated fluorescent light is then detected. A step of illuminating can comprise focusing the infrared light in a plurality of different planes substantially perpendicular to the optical axis of the eye. From the detected light it is possible to create a map of at least a portion of the interior surface, at least a portion of the posterior surface, and/or portion of the interior region of the cornea. Clarity of vision can be determined by generating autofluorescence from proteins in the pigment epithelial cells of the retina.

Abstract: The subject matter described herein includes a curved VPH grating with tilted fringes and spectrographs, both retroreflective and transmissive, that use such gratings. A VPH grating according to the subject matter described herein includes a first curved surface for receiving light to be diffracted. The grating includes an interior region having tilted fringes to diffract light that passes through the first surface. The grating further includes a second curved surface bounding the interior region on a side opposite the first surface and for passing light diffracted by the fringes.

Abstract: The invention relates to a method for producing a multilayer data carrier comprising a first layer which is made of plastic and has an upper face on which an opaque layer partially covering said upper face, for example a metal layer, is arranged. The data carrier has a second layer made of plastic which is disposed on the first layer and is transparent at least in a sub-region of the metal layer. The metal layer is partially removed by a laser to such an extent that the metal layer has at least one break. The metal layer is preferably laminated between the first and the second plastic layers.

Abstract: An element for the amplification of a light by stimulated emission of radiation and a method of making the same is described herein.

Abstract: In a laser reflective mask and a fabricating method thereof, reflective layers with different reflectances are sequentially and repeatedly laminated on top of a base substrate which has a reflective layer filling groove having a predetermined depth in a reflection region for a laser beam and then the remaining reflective layer laminated on the other region except for the portion filled in the reflective layer filling groove are removed through a chemical mechanical polishing (CMP) process, or a lift-off process using irradiation with the laser beam or an etchant, so that a reflective layer pattern configured to be filled in the reflective layer filling groove may be formed, thereby capable of not only facilitating a fabricating process of the laser reflective mask but also forming a more precise reflective layer pattern.

Abstract: In an embodiment, a method of inscribing a substrate comprises contacting the substrate with a laser beam to generate a mark, wherein the mark results from increasing the reflectivity of the thermoplastic material, wherein the substrate comprises a composition comprising a non-reflective thermoplastic material. In an embodiment, a method for generating a mark on an article comprises bonding a first component to a second component with a laser beam having a wavelength of greater than or equal to 800 nanometers, wherein the first component composition comprises a thermoplastic composition absorbing light having a wavelength of less than or equal to 500 nanometers and wherein the second component comprises a thermoplastic composition absorbing light having a wavelength of greater than or equal to 800 nanometers.

Abstract: A method of manufacturing a three dimensional photonic device by two photon absorption polymerization. The method includes several stages, including direct laser writing involving polymerization by two-photon absorption to manufacture a three dimensional photonic device integrating at least two distinct micro-optical components having two optical functions and being aligned with each other so that optical signal can be transmitted from one of said distinct components to the other. The distinct components are built at a same stage of the process flow to improve their relative alignment by direct laser writing involving polymerization by two-photon absorption.

Abstract: A processing method for a mold (1) to form a pattern of recessed portions (13) on a product forming surface (11) formed on the mold (1) includes a photoresist forming step in which a thermally deformable heat-mode photoresist layer (12) is formed on the product forming surface (11), a laser beam illumination step in which a laser beam is applied to the photoresist layer (12) by an exposure device incorporating a semiconductor laser to form a pattern of recessed portions (13), and an asperity forming step in which asperities are formed on the product forming surface (11) by making use of the pattern of recessed portions (13).

Abstract: A lens for placement in a human eye, such as intraocular lens, has at least some of its optical properties formed with a laser. The laser forms modified loci in the lens when the modified loci have a different refractive index than the refractive index of the material before modification. Different patterns of modified loci can provide selected dioptic power, toric adjustment, and/or aspheric adjustment provided. Preferably both the anterior and posterior surfaces of the lens are planar for ease of placement in the human eye.

Abstract: Laser cutting of multilayer optical film bodies comprising polyester and polycarbonate materials.

Abstract: A reflective surface has a digital code comprising specular reflective and diffuse reflective areas. The digital code can be a one or two dimensional code such as a bar code or a QR code. The digital code is created by beginning with a polished surface texture having a highly specular reflective quality and modifying the surface texture to create areas of more diffuse reflectivity. The areas of specular and diffuse reflectivity can be read as a digital code by code reading equipment while having a substantially uniform color thereby enhancing the application of digital codes to ornamental objects such as metallic jewelry.