Abstract: Provided is a curable polyorganosiloxane composition which advantageously forms a cured product suitable for LED or optical lens, wherein the cured product has excellent light transmission properties in a short wavelength region, i.e., in the blue to ultraviolet region and is unlikely to suffer yellowing due to exposure to heat.

Abstract: Embodiments of the invention described herein include metamaterials that exhibit negative permittivity and negative permeability at optical frequencies, methods for preparing such materials, and devices prepared from same.

Abstract: A three-dimensional left-handed metamaterial having a completely new constitution, which functions as a three-dimensional electromagnetic wave propagation medium and in which an equivalent permittivity and a permeability of the medium simultaneously take negative values. The three-dimensional left-handed metamaterial is structured such that cubic unit cells 5 are disposed repeatedly in three orthogonal directions of a three-dimensional space, and includes: a first particle 1 constituted by a conductor and disposed in positions centering on respective vertices of the unit cell; a second particle 2 constituted by a conductor and disposed in positions centering on face center points, which are centers of respective faces of the unit cell; a first connecting portion constituted by a conductor, which connects the first particles to a center point of the unit cell; and a second connecting portion constituted by a conductor, which connects the second particles to the center point.

Abstract: An optical lens includes a central optical portion and a peripheral portion surrounding the optical portion. The peripheral portion includes a first step surface, a second step surface, and a first connecting surface interconnecting the first step surface and the second step surface. The first step surface is adjacent to the optical portion. The second step surface has a circular groove formed therein, and the circular groove is adjacent to the first connecting surface. A lens assembly including the optical lens is also provided.

Abstract: An optical lens refracts and reflects a light to increase a luminance in a top direction of the optical lens and to decrease a luminance in a horizontal direction of the optical lens. The optical lens includes a central portion and a peripheral portion. The central portion has a convex shape. The peripheral portion has a concave shape. The peripheral portion surrounds the central portion. Therefore, power consumption and manufacturing cost are decreased.

Abstract: Micro lens manufacturing apparatus, a micro lens manufacturing method, a micro lens, and a camera module employing the micro lens are provided. First mold is manufactured in correspondence with a first lens profile of a lens element. Second mold is manufactured in correspondence with a second lens profile of the lens element. Second mold is aligned on a surface of a lens substrate having a hollow hole formed thereon. Material for the lens element is supplied into the hollow hole of the lens substrate. First mold is aligned on the other surface of the lens substrate having the hollow hole and compressed to form the first and second profiles of the lens element. Formed lens element hardened. First and second molds are separated from each other. Therefore, time and cost for manufacturing the micro lens are reduced, and the accurate alignment between the first and second lens profiles is achieved.

Abstract: Far-field sub-diffraction optical lenses “FaSDOLs” comprise an anisotropic crystal having special dispersion characteristics such that it supports diffraction free propagation. An image with subwavelength features on the input surface is transferred through a propagation function to the output surface with effectively no, or minimal, loss in information. These special properties may be exploited in several ways, including but not limited to, magnification of an image at the input surface through the use an oblique cut at the output surface, magnification of an image at the input surface through use of a curved crystalline structure, and more generally near-field optical processing.

Abstract: A molecular film for coating optical lenses comprises Octadecyltrichlorosilane; and a germicide, wherein the weight ratio between the germicide and the Octadecyltrichlorosilane is 3 to 13. Furthermore, a manufacture method of a molecular film for coating optical lenses comprises a step of “preparation,” by preparing a substrate, Octadecyltrichlorosilane solution and a germicide; a step of “cleaning,” by removing olein and contamination from surfaces of the substrate and washing the substrate; and a step of “soaking,” by soaking the substrate in a mixture of the germicide and Octadecyltrichlorosilane solution to generating a molecular film on the surfaces of the substrate.

Abstract: According to one embodiment, a transmission optical system which guides light in a nearly parallel beam state emitted from an optical outlet port of a light source, to an optical inlet port of an exposure apparatus body and which injects the light in the nearly parallel beam state into the optical inlet port is provided with a condensing optical system which keeps the optical outlet port and the optical inlet port in an optical Fourier transform relation, and an angle distribution providing element which is arranged in an optical path between the optical outlet port and the condensing optical system and which provides an emergent beam with an angle distribution in a range larger than a range of an angle distribution of an incident beam.

Abstract: A lens forming method comprising the steps of: interposing an uncured resin between a lens molding plate and a flat-shaped transparent substrate that are disposed to face each other so as to keep an externally-opening distance; and performing light irradiation on the resin interposed between the lens molding plate and the transparent substrate so that curing of the resin advances from lens curved-surface parts on the lens molding plate toward a periphery thereof.

Abstract: A lens manufacturing method comprising:forming a first layer directly or via a second layer on an optical base; and forming a light-transmissive thin film on a surface of the first layer in a physical vapor deposition process, the light-transmissive thin film including a portion made of TiOx (0<X?2) containing Ti-CO3, wherein forming the light-transmissive thin film in the physical vapor deposition process includes ionizing a gas containing at least one substance containing carbon and irradiating TiOx (0<X?2) with the ionized gas.

Abstract: An optical system includes a positive lens unit, wherein the positive lens unit includes an optical element containing a base material and minute particles that are mixed with the base material and have Abbe number that is lower than that of the base material, and the minute particles are higher in density at a peripheral portion of the optical element than on an optical axis of the optical element.

Abstract: The invention pertains to an optical connector assembly having an alignment mechanism for coupling two single-lens, multi-fiber optical connectors together. Particularly, each connector comprising a single lens through which the light from multiple fibers is expanded/focused for coupling to corresponding fibers in a mating connector. In one aspect of the invention, the alignment mechanism includes mating features extending from the fronts of the lenses having substantially longitudinal surfaces that meet and contact each other when the two connectors are coupled together in only one or a limited number of rotational orientations relative to each other to as to properly rotationally align the multiple fibers in the two mating connectors. This mechanism also helps align the two connectors with the optical axes of their lenses parallel to each other.

Abstract: An optical information recording/reproducing apparatus for an optical disc using a light beam having a wavelength of ? including: an objective lens that converges the light beam onto a recording surface of the optical disc and satisfies a condition: 0.48 < d · ( n - 1 ) f 2 < 0.75 ( 1 ) where f represents a focal length (unit: mm) of the objective lens with respect to the wavelength ?, d represents a thickness (unit: mm) of the objective lens along an optical axis of the objective lens, and n represents a refractive index with respect to the wavelength ?; a photoreceptor to receive the beam reflected from the optical disc; a detector to detect quality of a signal, and an objective lens driving unit to tilt the objective lens in a direction to improve the quality of the signal based on a result of detection by the detector.

Abstract: A variety of applications of the integration of lenses and lens arrays into clothing, eyewear, and other worn articles so as to enhance or alter the appearance of a wearer are disclosed.

Abstract: Provided is a lens having a high NA, wherein defects caused when the lens is molded can be eliminated and the laps exhibits a high mountability. A transition surface transferring surface (31b) is formed between a first optical surface transferring surface (31a) and an intermediate end surface transferring surface (31c) to form a transition surface. Consequently, if a lens (OE) has a large thickness deviation ratio, the occurrence of a flow mark, etc., is prevented in order to achieve a high precision molding of the lens.

Abstract: A lens has a flange part at the outer periphery of its surface. A flange surface of the flange part is higher than the lens surface. The flange surface has a marking to identify a production jig, for example.

Abstract: The lens includes a plurality of lens layers, each lens layer being axi-symmetric and having an extended depth of focus to focus light in a corresponding section of a focal curve in the form of a straight line located on an optical axis. In the optical system, light is focused on an optical axis to obtain a clear image in a wide distance range between a camera and an object. The optical system has a point spread function that is simpler and more symmetric. That is, the optical system provides improved continuity of a lens surface and easiness and flexibility in optical designing.

Abstract: Provided are a meta material and a method of manufacturing the same. The meta material comprises: a substrate; at least one conductive nano pattern patterned on the substrate and having a size with a negative refractive index in a predetermined electromagnetic wavelength band; and a dielectric layer covering the conductive nano patterns.

Abstract: The present invention relates to the optimization of human visual function by correcting and/or optimizing high-order optical aberrations in high performance optical devices. The optimization is particularly useful for high performance devices used under low light conditions such as binoculars, rifle scopes, telescopes, microscopes, night vision goggles and laser eye protection devices.

Abstract: A design method, apparatus, and fabrication method for structures for controlling the flow of electromagnetic energy at a sub-wavelength scale is disclosed. Transformational optics principles are used as a starting point for the design of structures that operate as, for example, hyperlenses or concentrators such that evanescent waves at a first surface are radiated in the far field at a second surface. Plane waves incident at a first surface may be focused to a spot size substantially smaller than a wavelength, so as to interact with objects at the focal point, or be re-radiated.

Abstract: An optical tracking system is disclosed that provides more precise tracking and better performance in an optical mouse. It involves provides a collimated laser, and imaging a reflection of the collimated laser, such that the reflection has a substantially linear phase gradient. The reflection of the laser includes a pattern of speckles due to optical interference effects. The speckles are imaged such that the substantially linear phase gradient restricts any variation in intensity of the imaging of the speckles during a translating motion of the reflection, thereby providing superior tracking performance.

Abstract: Provided are an optical element and a method for manufacturing the optical element, wherein the concave optical surface of the optical element does not adhere to the metal mold convex surface and excellent mold releasability is ensured by providing the end surface of the optical element with an end section which is continuous to the outer end section of the concave optical surface of the optical element and providing the end section with a tapered section having a tilt with respect to the flat surface formed by the outer end section of the concave optical surface at the time of forming the optical element by means of a liquid drop method. The tapered section can be used for alignment at the time of assembling the light emitting unit, and contributes to process time reduction and prevention of generation of failures.

Abstract: Disclosed herein is a thermoplastic composition comprising a combination of: a polysiloxane-polycarbonate copolymer and a poly(aliphatic ester)-polycarbonate copolymer comprising soft block ester units of the formula (8a): wherein m is 4 to 18, wherein the thermoplastic composition has a melt volume rate of 14 cc/10 min to 22 cc/10 min at 300° C. and under a load of 1.2 Kg and a dwell time of 6 minutes, according to ASTM D1238-04, wherein an article molded from the thermoplastic composition and having a thickness of 3.2 mm has a percent transmittance of greater than 85% according to ASTM D1003-00, and wherein 100% of a set of five test articles each having a thickness of 3.2 mm and molded from the thermoplastic composition exhibit ductile fracture at ?40° C. when measured for notched Izod Impact according to ASTM D256-04. An article comprising the thermoplastic composition is also disclosed.

Abstract: According to one embodiment, a television apparatus includes, a printed wiring board, a plurality of light emitting diodes provided on the printed wiring board and configured to emit light parallel to the printed wiring board, and a lens including a plurality of light receiving parts corresponding to the light emitting diodes, respectively, and a display part configured to display light which has been emitted from the light emitting diodes and has entered through the light receiving parts. The lens is provided with a cutout portion extending from a position between the light receiving parts to the display part.

Abstract: Disclosed herein is a transparent optical element for changing a propagation direction of light. The transparent optical element includes a light-receiving surface and a light-emitting surface. The light-receiving surface is formed thereon with a first recess having a bottom surface and a second recess located thereon. The second recess has a lateral surface connected to the bottom surface such that a first angle of about 90 degrees to less than 180 degrees is formed between the bottom surface and the lateral surface. An indicator light comprising the transparent optical element is also disclosed.

Abstract: A fabrication method is provided which makes it possible to obtain a microlens that is more tightly spaced (the space between individual microlenses is smaller) than in the related art, even when the same fabrication process as that in the related art is used. The present invention provides a mask used for fabrication of a microlens to irradiate a photosensitive microlens material on a substrate with a patterned light beam, including a main layout, and a sub-layout provided around the main layout, in which when the mask is irradiated with a light beam, a first beam pattern is obtained by the main layout at a position corresponding to a center portion of the microlens, and a second beam pattern separated (resolved) from the first beam pattern is obtained by the sub-layout around the first beam pattern.

Abstract: A photoelectric lens module is utilized to focus a light source. A fabrication method comprises steps of providing a first substrate; positioning a plurality of gap units on the first substrate, and forming a plurality of gap regions amongst the gap units on the first substrate; providing a second substrate comprising a plurality of photoelectric lens units, in which the positions of the photoelectric lens units are corresponding to the locations of the gap regions; and filling a transparent rubber in the gap regions in such that the first substrate and the second substrate are adhered closely.

Abstract: An optical component (10) comprises a transparent set of cells (15; 25) juxtaposed in parallel to a surface of the component. Each cell is hermetically sealed and contains a substance with an optical property. The set of cells comprises cells of several sizes. The size of the cells can be varied between various locations of the surface of the component (10), for making it possible to cut out the component without altering its optical properties. Furthermore, the variation in size of the cells serves to prevent diffraction or scattering from being visible in certain zones of the component.

Abstract: In order to provide (i) a simple-structured imaging module that is arranged to have resolution good enough to satisfy required specifications both in photographing a near-by object and in photographing a distant object, (ii) a lens element constituting the imaging module, and (iii) an imaging lens constituting the imaging module, at least one lens surface of a first lens is constituted by a plurality of regions having different refractive power so that a range of an allowable object distance is increased.

Abstract: An optical layered body having an excellent antistatic property and adhesion is provided. An optical layered body is provided that comprises an antistatic layer and a hard coat layer formed in sequence on a light transmitting substrate, wherein in the cross-sectional appearance of the layered body, the cross-section phase of the hard coat layer exists in the region of the light transmitting substrate via the antistatic layer from the hard coat layer.

Abstract: An apparatus for manufacturing an optical element includes: a flexible stamper having a transfer portion transferring a predetermined shape and having changeable curvature; a stamper holding mechanism holding the stamper; an element holding mechanism holding an optical element having a convex or concave curved surface, the curved surface serving as a transferred surface to which the shape of the transfer portion of the stamper is transferred; a curvature changing mechanism changing the curvature of the stamper in accordance with curvature of the transferred surface of the optical element; and a moving mechanism moving at least one of the stamper held by the stamper holding mechanism and the optical element held by the element holding mechanism in a direction in which the transfer portion of the stamper moves away from or closer to the transferred surface of the optical element.

Abstract: An optical grade article comprises a thermoplastic composition comprising a poly(aliphatic ester)-polycarbonate copolymer comprising 10 to 25 wt % of a soft block ester unit derived from a C20-44 aliphatic dicarboxylic acid or derivative thereof, 34 to 77 wt % of a carbonate unit derived from 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine, 0 to 76 wt % of a carbonate unit derived from a dihydroxyaromatic compound not identical to the 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine, wherein the weight percentages of soft block ester units, 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine units, and dihydroxyaromatic compound units is 100 weight percent of the monomeric units of the poly(aliphatic ester)-polycarbonate, the refractive index of the thermoplastic composition is greater than 1.590, and the glass transition temperature of the poly(aliphatic ester)-polycarbonate is from 120 to 155° C. A camera lens also comprises the poly(aliphatic ester)-polycarbonate.

Abstract: Provided are a high NA lens wherein defects caused in a molding process can be controlled, and a mold which can be used to mold such a lens. As a lens (OE) has a first end area (OE11b) and a second end area (OE21b) which do not overlap with each other when viewed along the optical axis direction, the area of a narrow portion which most narrows in the mold is reduced, so that the resistance of a resin during an injection molding can be reduced. Consequently, it is possible to prevent the occurrence of striae in a first optical surface (OE11a).

Abstract: An optical element of the present invention is provide with a first surface which is formed on the front-object side and upon which light from the front-object side is incident, a second surface formed on the image side, and a third surface which is formed between the first surface and the second surface and upon which light from the generally lateral object side is incident. The first surface is provided with a first transmission surface formed around the optical axis and a first reflection surface which faces the image side and which is formed annularly around the first transmission surface. The second surface is provided with a second transmission surface formed around the optical axis, and a second reflection surface which faces the front object side and which is formed annularly around the second transmission surface.

Abstract: Light filters that use yellow melanin or melanin like materials prepared to have a yellow color and a melanin transmission spectrum in combination with a photochromic dye are disclosed. The yellow form of melanin has minimal impact on the perception of light intensity with transmission values greater than 80%. The combination allows for a single light filter suitable for both night driving and sunglass applications and which also preserve color perception.

Abstract: A first part has first, second and third inwardly-facing surface portions angularly spaced about an axis, and a second part has outwardly-facing fourth, fifth and sixth surface portions spaced angularly about the axis, a radial distance from the axis to each surface portion decreasing progressively in a given direction along the axis. Each of the fourth, fifth and sixth surface portions faces, is closely adjacent to, and is substantially congruent in shape with a respective one of the first, second and third surface portions. At least one of the first and second parts is an optical component.

Abstract: A lithographic apparatus is disclosed having a projection system housing supporting internally one or more lens elements, and a movement damper connected to the projection system housing, the movement damper configured to damp movement of the projection system housing at an eigenfrequency of at least one of the one or more lens elements and/or of the projection system housing.

Abstract: A method for thermally compensating lenses in an optical system for high power lasers includes the steps of providing a fused silica lens to collimate a high power laser beam and positioning that lens in collimating relation to the laser beam. A focusing lens assembly is provided to focus the collimated laser beam and is positioned in focusing relation to the collimated laser beam. At least one lens having a negative dn/dT to offset a heat-induced change in index of refraction of the fused silica lens is included as a part of the collimating lens assembly and as a part of the focusing lens assembly. The lens having a negative dn/dT is selected from a group of glasses having a negative dn/dT. The power of the lenses is balanced with an offsetting negative dn/dT so that the optical system maintains its focus over a wide temperature range.

Abstract: One embodiment of a method of calculating an optical surface comprises calculating a meridional optical line of the surface. A ray is selected that passes a known point defining an end of a part of the optical line already calculated. The optical line is extrapolated from the known point to meet the ray using a polynomial with at least one degree of freedom. The polynomial is adjusted as necessary so that the selected ray is deflected at the extrapolated optical line to a desired target point. The polynomial is added to the optical line up to the point where the selected ray is deflected. The point where the selected ray is deflected is used as the known point in a repetition of those steps.

Abstract: A method for laminating a film on to an optical article and a bi-layer adhesive for use in the method. The bi-layer adhesive includes a latex adhesive layer or a specific silane adhesive and an HMA layer sequentially disposed on the film and dried to form a solid layer of uniform thinness throughout to provide optical quality. Various types of films may be employed to provide an optical function. Following optional pre-treatment steps, the adhesives are coated on to the film. An optical hot press technique is used to deliver heat and pressure over a short period of time to form a functionally-enhanced optical article with high adhesive strength.

Abstract: A lens including a lens portion having two opposite oblong surfaces at least one of which is a curved lens surface having a refractive power is disclosed. At both ends in a longitudinal direction of the lens portion, first and second flange portions are provided each of which tapers toward the lens portion and has a slant surface slanting with respect to the longitudinal direction of the lens portion and connected with one of the oblong surfaces. An angle of the slant surface of the first flange portion with respect to the longitudinal direction of the lens portion is different from an angle of the slant surface of the second flange portion with respect to the longitudinal direction of the lens portion.

Abstract: An imaging assembly for an image sensor may include a lens, a transparent substrate and two aspherical optical coatings on each side of the substrate. The imaging assembly can also incorporate an opaque coating with an opening in-line with the lens to form an aperture, an anti-reflection coating, and an infrared filter coating.

Abstract: The present invention relates to a polycarbonate resin composition which comprises a polycarbonate resin having the repeating unit that is represented by the following general formula (1) and a hydroxyl group at terminal thereof and has the concentration of the terminal hydroxyl group of 1000 ppm or more.

Abstract: In various embodiments, an optical lens is provided, which is shaped like a hood and has a light-transmissive front face as well as a sidewall adjacent thereto, wherein the sidewall has at least one ridge-like section having an increased wall thickness and running in the direction of the front face.

Abstract: A lens array forms an erect image of an object. The lens array includes at least one row of lens elements and at least one rib. The lens elements are aligned in a first direction perpendicular to optical axes of the lens elements having an incidence surface and an exit surface. The rib is formed on the lens array and extending in a second direction parallel to the first direction and in a third direction parallel to the optical axes further than the incidence surface and the exit surface. A lens unit includes a shielding member and the lens array assembled to the shielding member. The shielding member includes diaphragms formed therein and aligned in a first direction, and a first engagement portion. The lens array includes a second engagement portion for engaging the first engagement portion to correct deformation of the lens array.

Abstract: An optics block includes a substrate having first and second opposing surfaces, the substrate being a first material, a plurality of through holes extending in the substrate between the first and second opposing surface, a second material, different than the first material, filling a portion of the through holes and extending on a portion of the first surface of the substrate outside the through holes, and a first lens structure in the second material and corresponding to each of the through holes.

Abstract: An optical element includes: an optically functional part having a first convex surface and a second convex surface intersecting with an optical axis and facing opposite to each other; and an outer peripheral part provided around the optically functional part, the outer peripheral part having a first outer peripheral surface extending from a periphery of the first convex surface and a second outer peripheral surface extending from a periphery of the second convex surface. The first outer peripheral surface and the second outer peripheral surface each are formed to be tapered. A thickness of the outer peripheral part in an optical axis direction is reduced toward a direction moving away from the optical axis.

Abstract: An optical lens, (1) is shaped like a hood and comprising a light transmissive front face and an adjacent sidewall (12), wherein the sidewall (12) and the front face (11) form different components of the optical lens (1), which are joined to one another by injection molding

Abstract: Systems and methods for imaging a distant light source at an enhanced resolution is provided. An evanescent field generator an evanescent field generator that receives an incident electromagnetic field representing at least one distant light source and restores high spatial frequency components to the incident electromagnetic field, resulting in an evanescent field. A negative refractive index lens assembly focuses the evanescent field onto a focal plane. A photodetector assembly located in the focal plane detects the focused evanescent field as an image of the at least one distant light source.