Abstract: A ring light source system for an interferometer with adjustable ring radius and ring radial width may comprise a laser light source, an expander and collimator optical system, an adjustable aperture, a binary phase grating, a variable-focus optical system, and a spatial filter. The expander and collimator optical system is configured to convert a light beam from the light source into a parallel light beam. The adjustable aperture is configured to adjust a diameter of the parallel light beam. The light beam with the diameter adjusted by the adjustable aperture is incident perpendicularly onto the binary phase grating, followed by the variable-focus optical system. The filter is positioned on a back focal plane of the variable-focus optical system, and is configured to receive a ring light source. The ring radius and radial width of the light source are adjustable by adjusting a focus length f1 of the variable-focus optical system.

Abstract: An illuminating apparatus includes a rotating phase plate having a height equal to or less than a wavelength of light from a light source and including a plurality of randomly arranged step regions so as to change a phase of light from the light source by allowing the light beam to pass therethrough; and a fly's eye lens including an array of a plurality of lenses configured to pass the light beam passed through the rotating phase plate, wherein a portion in which a product of a maximum size of the plurality of step regions and an optical magnification from the rotating phase plate to a plane of incidence of the fly's eye lens is equal to or less than an arrangement pitch of the plurality of lenses and a portion in which the product is larger than the arrangement pitch of the plurality of lenses are mixed.

Abstract: Light incoupling structures for lighting applications, such as lightguides, are described herein. The incoupling structures include an optically substantially transparent medium for transporting light emitted by a light source and an optical element including at least one hole in the medium for coupling light together with optional further optical elements. A lighting element includes a light source with related integrated optics.

Abstract: It is presented an optical component (5) a first side (30) and a refractive opposite side (14). The refractive side (14) presents a refractive surface (13) and has radially extending refractive structures (6) for refracting light mainly in the azimuth direction (27) of an inciding light beam. The optical component (5) can be used as an exit window in a luminaire (1) having at least one light source (4), whereby light inhomogeneity may be reduced.

Abstract: An arrangement for emitting light having at least one LED-light source and at least one first lens arranged in front of the LED light source in the light-emitting direction, wherein a second lens is arranged in front of the first lens in the light emitting direction for influencing the light emitted from the first lens.

Abstract: An optical device includes a high pressure discharge lamp, a concave condensing mirror placed so as to surround the high pressure discharge lamp while an optical axis stays extended along a direction of an arc of the high pressure discharge lamp, and an aspherical lens that is placed forward the light exit direction of the concave condensing mirror and that is rotationally symmetrical with respect to the optical axis of the concave condensing mirror, in which a reflecting surface of the concave condensing mirror is configured so as to have a shape set in connection with the shape of a light incident surface and the shape of a light exit surface of the aspherical lens.

Abstract: An illumination optical system is configured to illuminate an optical modulator configured to modulate incident light and includes a condenser lens system that includes a meniscus lens with a concave on a light source side, and condenses light from a light source; and a spherical aberration corrector disposed on an optical modulator side of the condenser lens system. The illumination optical system satisfies: 0.6<|f/L|<1.4 0.9<sin ??1.0 where f is a focal length of the condenser lens system, L is a length from an object-side principal point of the condenser lens system to the light source, and ? is half an angle at which the condenser lens system takes in the light from the light source.

Abstract: A lens for diverging light includes a bottom surface, a recess defined in the bottom surface, a lower inner curved surface in the recess, and an upper outer curved surface. The lower inner curved surface is configured for receiving light emitted from a light source. The lower inner curved surface includes an inwardly curved lower portion adjacent to the bottom surface, a flat surface portion arranged at a center of a bottom in the recess, and an inwardly curved intermediate portion connected between the lower portion and the flat surface portion. The upper outer curved surface faces away from the bottom surface.

Abstract: A light module includes a light source and an optical lens. The light source emits light to the optical lens. The light source is a single unit and has a parallelizing surface, a first plane, a wave surface, and a second plane in sequence. The light source emits light to the optical lens and through the parallelizing surface, the first plane, the wave surface, and the second plane in sequence to form a parallel linear light.

Abstract: A lamp unit with a relay lens that allows two different focus points. Two different optical altering elements are hence simultaneously in focus. The elements can be taken in and out of focus to allow different effects.

Abstract: The present invention relates to an illumination device comprising at least one light source generating a light beam and at least one light beam diffractor. The light diffractor is positioned at least partially in the light beam and adapted to diffract at least a part of the light beam. The light beam diffractor includes a first diffractor section and a second diffractor section which can be moved in relation to the light beam and independently of each other. The present invention relates also to moving head light fixtures and method of forming a light beam.

Abstract: A lighting apparatus for film, television, video capture, motion picture and photography which includes a Fresnel lens fixed in a housing which contains a tight array of high power LEDs. The LED panel or board is mated to a heat dissipating apparatus to provide active cooling and together forming an LED engine. The LED engine is mounted to a slider allowing the LED engine to be adjusted within the housing with respect to the lens. Light shaping diffusion may be included on the housing. A power supply unit may also be included in the housing. When in electrical communication, the LED engine and power supply unit function as an integrated self-contained lighting apparatus. Optionally, the power supply may have an integrated dimmer switch, and may be capable of receiving PFC power or have an integrated battery unit.

Abstract: Provided are a light-emitting device having improved light dispersion efficiency, a light-emitting system including the same, and fabricating methods of the light-emitting device and the light-emitting system. The light-emitting device includes one or more light-emitting elements arranged on first surface of a substrate, an insulation film formed on the first surface of a substrate so as to cover the one or more light-emitting elements, and a plurality of uneven patterns formed on the insulation film formed on each of the one or more light-emitting elements so as to be spaced apart from each other, wherein the plurality of uneven patterns are all convex patterns or concave patterns and each of the plurality of uneven patterns has a curved cross-sectional shape.

Abstract: A projection lens for lighting equipment of an aspect of the present invention is characterized by formed in a shape where N of sector-shaped lens parts each of which corresponds to a central angle 2? degrees (?=180/N, N is an integer more than or equal to 3) and is bilaterally symmetric in a rotationally asymmetric elliptical collimator lens are circumferentially disposed. The projection lens for lighting equipment of such aspect is formed in the shape where N of the sector-shaped lens parts each of which corresponds to a central angle 2? degrees (?=180/N, N is an integer more than or equal to 3) and is bilaterally symmetric in the rotationally asymmetric elliptical collimator lens are circumferentially disposed. Accordingly, the projection lens for lighting equipment with a novel design which has a shape of a N-sided polygon (e.g.

Abstract: A vehicle light using a projection lens of a novel appearance can provide a feeling of solidness as compared to a simple spherical shape. The vehicle light can include a projection lens having an optical axis and a plurality of separate lens portions divided in a radial pattern with respect to the optical axis of the projection lens. The separate lens portions can have respective light exiting surfaces of different curvatures, and respective light incident surfaces, the shapes of which are determined such that the separate lens portions have the same thickness and the same focal point.

Abstract: An improved illuminator with an adjustable beam pattern to be worn by medical and dental professionals includes a housing, a light-emitting diode (LED) disposed in the housing outputting light through a distal opening in the housing, an achromatic doublet lens mounted in the opening in the housing, and a singlet lens disposed between the LED and the achromatic lens. The distance between the singlet lens and the doublet lens may be adjustable, and/or distance between the LED and the singlet lens may be adjustable, through a threaded connections, for example. In the preferred embodiment, the achromatic doublet lens, the singlet lens, or both the singlet and the doublet lens have a planar surface.

Abstract: An illumination apparatus includes an optical element. The optical element includes a light incident curved surface and a light outgoing curved surface. The center of curvature of the light incident curved surface is positioned on the center of the light emitting surface of a light source, and the center of the curvature of the light outgoing curved surface is positioned beneath the center of curvature of the light incident curved surface and deviates from the light source. The radius of curvature R1 of the light outgoing curved surface is greater than the radius of curvature R2 of the light incident curved surface.

Abstract: Concepts and technologies described herein provide for providing power to an electronic device mounted to a moving apparatus. According to various aspects, a flexible solar panel is detachably mounted to the moving apparatus. A light emitting diode (LED) array is mounted on a flexible circuit board and is configured to emit light at a color temperature range that matches the effective response of the solar panel. The LED array is shaped according to the surface of the moving apparatus and is positioned a uniform gap width apart from the solar panel. When the moving apparatus is activated, light from the fixed LED array is received by the moving solar panel and converted into electricity for powering the electronic device that is electrically connected to the solar panel. Data from the electronic device may be wirelessly transmitted from the moving apparatus to a fixed receiver for storage or use.

Abstract: Disclosed is a lighting device which comprises: an optical member comprising a protruding optical pattern forming a gap with an adjacent layer; at least one light emitting unit inserted into the optical member; and a resin layer formed on the optical member and the at least one light emitting unit, whereby it is possible to obtain an effect that the shapes of light change depending on the viewing angle when viewing the light source by producing various protruding optical patterns, an effect that the whole thickness can be reduced, and an effect that the degree of design freedom can be enhanced when designing products thanks to an enhanced flexibility.

Abstract: A solar simulator includes a light source, an optical reflection element positioned behind the light source to reflect light emitted from the light source in a form of pseudo parallel light, a low-angle light-diffusion optical element for diffusing the reflected light from the optical reflection element at a low diffusion angle, and a parallel light conversion optical element including a number of air holes arranged in parallel rows and provided with faculties for transmitting incident light parallel to the axis of the air holes to absorb or attenuate nonparallel incident light. The parallel light conversion optical element converts the incident light from the low-angle light-diffusion optical element to parallel light and emits the converted parallel light.

Abstract: A projector includes a light source device which emits an illumination light; an aperture disposed with a tilt with respect to a plane perpendicular to a center axis of the illumination light, provided with an opening section which transmits a part of the illumination light, and block a rest of the illumination light; a pair of first and second lens arrays which divides the illumination light from the light source device into a plurality of partial light; and an overlapping lens which overlaps the illumination light transmitted through the first and second lens arrays, wherein the aperture is disposed on a light path between the light source device and the overlapping lens.

Abstract: A novel lens arrangement features a first lens which is configured to be fixed to a light source and features an aspherical convex exit surface for transmitting light which received from the light source. A second lens is arranged to the optical axis of the first lens and features an aspherical concave entry surface which is arranged to receive light which transmitted by the first lens and which has substantially the same shape as that of the exit convex surface of the first lens. The first and second lens are configured to be moved along the optical axis in respect to each other between a minimum extended position, wherein the exit surface of the first lens is nested into the matching concave entry surface of the second lens, and maximum extended position, wherein second lens lies at the focal point of the first lens.

Abstract: One embodiment of an optical system described herein comprises a source including light emitting diode chip and a homogenizer. One embodiment of the homogenizer comprises an entrance face positioned to receive light from the source, the entrance face having a first shape, a body configured to homogenize the received light and an exit face, the exit face parallel to the primary emitting face of the source. The homogenizer can emit light with a half angle that is at least 80% of the half angle of light entering the homogenizer.

Abstract: According to one embodiment, a light-emitting device comprises a substrate on which a plurality of light-emitting elements are arranged and mounted in two lines; and sealing members of two lines each sealing the plurality of light-emitting elements of each line. A distance between the lines of the sealing members is equal to 0.5 times or more but 2 times or less a width of the sealing member of each line.

Abstract: A light guiding pole (22) is described. The light guiding pole (22) includes a base board (23) having a top surface (231), a bottom surface (232) and a main board (24) mounted to the top surface (231) of the base board (23). A first optic member (311) is arranged on the top surface, adjacent to the main board (24). The main board (24) arranges a second optic member (249) therein. Light emitted from a light source emits from the bottom surface after being sequentially refracted by the second optic member and the first optic member. An illumination assembly (20) using the light guiding pole (22) is also described.

Abstract: A stage light fixture is provided with: a light source adapted to emit a light beam along an optical axis; a reflector coupled to the light source; a diaphragm arranged along the optical axis downstream of the light source; a first optical assembly, which is arranged along the optical axis between the light source and the diaphragm and is configured to selectively change the light beam dimensions.

Abstract: Presently disclosed is a lighting system and methods of using the lighting system for in vitro potency assay for photofrin. The lighting system includes a lamp housing, a first lens, an infrared absorbing filter, an optical filter, and a second lens. The lamp housing includes a lamp and a light-port. In operation, broad spectrum light from the lamp exits the lamp housing by passing through the light-port. The first lens then collimates the broad spectrum light that exits the lamp housing through the light-port. The infrared absorbing filter then passes a first portion of the collimated broad spectrum light to the optical filter and absorbs infrared light of the broad spectrum light. The optical filter then passes a second portion of the collimated broad spectrum light to the second lens. The second lens then disperses the second portion of the collimated light to provide uniform irradiation of a cell culture plate. A method of using the lighting system for studying a photosensitizer is also disclosed.

Abstract: One embodiment provides light along an optical axis. It comprises a substrate and at least one array of multiple LED chips without individual packaging supported by the substrate. The LED chips emit light within different wavelength ranges and are distributed laterally with respect to the axis over an area, the LED chips having light emitting surfaces for emitting light in directions transverse to the area. An optical element adjacent to the light emitting surfaces of the LED chips in the at least one array collects and directs light emitted by the LED chips of the at least one array along the axis towards a target. Another embodiment is directed to a method for providing multiple wavelength light for fluorescent microscopy using the above system. Electric current is supplied to the multiple LED chips, causing them to emit light of multiple wavelengths.

Abstract: In optical apparatus for illuminating a mask-plane with a line of light, a light source includes four fast-axis stacks of laser diode bars. One optical arrangement collects light beams from all of the diode-laser bar stacks, homogenizes and expands the beams in the fast-axis direction of the diode-laser bar stacks and partially overlaps the homogenized and expanded beams in the fast-axis direction. Another optical arrangement homogenizes the sum of the partially overlapped beams and images the sum of the beams as a line of light having a length in the fast-axis-direction and a width in the slow-axis direction.

Abstract: A lens unit includes a first lens plate including first lenses arranged in a first direction and configured to form an intermediate image being an inverted reduced image of an object, a second lens plate including second lenses arranged in the first direction and configured to form an inverted enlarged image of the intermediate image on a light reception surface, and a positioning portion being in contact with both a butting portion formed on the first lens plate and a butting portion formed on the second lens plate.

Abstract: An illumination device includes a plurality of light sources for emitting light and an optical member arranged in front of the light sources to control distribution of the light emitted from the light sources. The optical member includes a plurality of lens portions having storage recess portions formed in alignment with the light sources to accommodate the light sources and a plurality of ribs extending laterally from the lens portions to fix the lens portions to a substrate holding the light sources, each of the lens portions having a light distribution control portion formed in a rear opening edge of each of the storage recess portions to distribute frontward the light emitted from the light sources toward the ribs.

Abstract: A lens includes a light incident surface and a light exiting surface. The light exiting surface includes a first concave surface, a first convex surface, a second convex surface, a first curved surface, and a second curved surface. The first concave surface is located at the center of the light exiting surface for diverging the light exiting therefrom. The first and second convex surface are arranged at two opposite sides of the first concave surface respectively for converging the light exiting therefrom; the first convex surface, the first concave surface, and the second convex surface connect in sequence along a first direction. The first and second curved surfaces are arranged at another two opposite sides of the first concave surface respectively; the first curved surface, the first concave surface, and the second curved surface connect in sequence along a second direction perpendicular to the first direction.

Abstract: An optical sensor assembly is disclosed. The optical sensor assembly includes an illumination system that segments light emitted by a light source into multiple segments. The multiple segments are allowed to travel different optical paths on their way to a common target area and are further allowed to irradiate different portions of the common target area. This enables a low-profile optical sensor assembly to be achieved.

Abstract: In a solid-state image capturing device having the locations of photodiodes in each pixel unit to be different according to a sequence, the light receiving sensitivity and the luminance shading characteristic are improved. A circumferential portion of a microlens 12 which is arranged above a corresponding photodiode 11 is formed so as to overlap an adjacent microlens 12 thereto, and the locations of microlenses 12 in each pixel unit are different according to a sequence. Light of an image that is incident upon each of the microlenses 12 is incident upon approximately the same portion (e.g., central portion) of each of the respective photodiodes 11.

Abstract: A light directing system including first and second relay lenses through which light passes, the first and second relay lenses being positioned at conjugate positions, the first relay lens being positioned between the second relay lens and a light source, a focal length of the first relay lens being longer than a focal length of the second relay lens.

Abstract: The illumination optical system includes, as optical elements, a condenser lens system (3) to condense light from a light source (1), a first fly-eye lens (5) and a second fly-eye lens (6). The light source generates a light emitter having a finite longitudinal length in a first direction orthogonal to an optical axis direction of the illumination optical system. The light source and the optical elements are configured to form the light source images closer to the illumination surface than the second fly-eye lens. The light source and the optical elements are configured to satisfy a condition of P2/P1?2.0. In the condition, P1 represents an array pitch of the light source images in the first direction, and P2 represents an array pitch of the light source images in a second direction orthogonal to the first and optical axis directions.

Abstract: The present invention relates to a non-imaging optical lens and a light-emitting module having the same. The lens includes a concave region having a continuous curved optical surface formed by a plurality of facets spliced together. The continuous curved optical surface faces the light-emitting device.

Abstract: Disclosed herein is an LED flash lens unit which prevents occurrence of yellow bands or yellow rings if LED light is concentrated through an LED flash lens improving manufacturing ability and mass production to have high performance and high efficiency.

Abstract: A light source device includes: a light source which emits light; a first reflector which surrounds a part of the light source and reflects the light emitted from the light source in the direction of an optical axis; and a second reflector which surrounds at least a part of the light source different from the part surrounded by the first reflector and reflects the light emitted from the light source toward the first reflector, wherein the position of a convergence spot of the light reflected by the second reflector is displaced from the position of an emission spot of the light source at least in the direction of a plane perpendicular to the direction of the optical axis.

Abstract: To provide a method for manufacturing a plurality of types of illuminating devices having different specifications while reducing cost. A substrate includes a common flexible portion and a plurality of units bendable with respect to the common portion, where the common portion includes a pad that is extended in the horizontal direction in the plane of the drawing and that is arranged for every predefined interval. In the present manufacturing method, a substrate piece is created by cutting the substrate mounted with the light emitting element in a first direction, the common portion in the substrate piece is formed according to the illuminating device to be manufactured, the relative position of the individual portion with respect to the formed common portion is respectively positioned, and the wiring for supplying power to the pad in the substrate piece is formed.

Abstract: An illumination portion is used in an optical encoder which comprises a scale grating, an imaging portion, and a detector portion. A light source outputs light having a wavelength ?. A structured illumination generating portion inputs the light and outputs structured illumination. The structured illumination comprises an illumination fringe pattern oriented transversely to the measuring axis direction. A first filtering lens focuses the structured illumination proximate to a plane of the spatial filter aperture configuration. A spatial filtering aperture configuration includes a central portion that blocks zero-order portions of the structured illumination and an open aperture portion that outputs +1 order and ?1 order portions of the structured illumination to a second filtering lens. The second filtering lens outputs the structured illumination to a plane of the scale grating with an illumination fringe pitch PMI along the measuring axis direction at a plane coinciding with the scale grating.

Abstract: An illumination device (100) is disclosed. The illumination device (100) comprises a collimation module (110) configured to collimate light, a lens assembly (120) configured to controllably focus/defocus light, and an intermediate module (130) arranged between the collimation module (110) and the lens assembly (120) such as to receive collimated light output from the collimation module (110), wherein at least some light output from the intermediate module (130) impinges on the lens assembly (120).

Abstract: A light source apparatus includes: a light source section that emits a luminous flux whose quantity of light is larger in a central region than in a peripheral region; a condensing optical system that condenses an incoming luminous flux; and a light distribution correction optical element arranged between the light source section and the condensing optical section, in which a central portion has a negative power that is more intense than that of a peripheral region.

Abstract: This invention describes a Multi-Purpose LED Lighting And Mirror Accessory to be used with mobile phone devices, for both a cosmetic purpose as well as a photographic and videographic apparatus enhancement. (hereinafter known as “Multi-Purpose LED Lighting And Mirror Accessory”). More specifically, the Multi-Purpose LED Lighting and Mirror Accessory provides a had plastic protective case to a mobile phone device that integrates a mirror on the exterior surface of the case to be utilized for cosmetic purposes and a mechanism to mount a series of lenses, filters, or treatments on the inside surface of the protective case so as to provide varying illumination characteristics to the LED light source that is provided natively with the mobile phone device. These mounted attachments can be utilized in conjunction with the mirror for cosmetic purposes, and also to provide different lighting while utilizing the built-in LED for still or motion photography.

Abstract: The present invention relates to entertainments systems comprising a light controller connected to at least one moving head light fixture through a communication channel and to moving head light fixtures, where a moving head comprises switching means for switching said moving head between a normal mode of operation and a follow spot mode of operation, said follow spot mode of operation being characterized in that at least said first rotating means or said second rotating means being deactivated. In is thus possible to use the moving head as both an automatic moving head an as a manual moved follow spot. The moving head comprises also position encoding means determining to position of the moving head and other moving heads in the entertainment system thus be controlled based on the position of the first moving head.

Abstract: An optical sight of the present invention may aim at an object via a cross. The optical sight has a focusing adjuster for focusing and a brightness adjuster for adjusting luminance on a cross. The focusing adjuster and the brightness adjuster are made at the same position that user may operate the optical sight more conveniently.

Abstract: A zoom illuminating system and an imaging apparatus including the same are provided. The imaging apparatus includes: the zoom illuminating system; a zoom lens system including a plurality of lens groups and zooming an image of an object as a distance between the plurality of lens groups varies.

Abstract: A laser device including a concave mirror converging beamlets from a plurality of high efficiency diode lasers to a focal point, an integrating convex mirror placed at or near the focal point reflects a first portion of the beamlets back to the concave mirror and allows a second portion through to a light transmitter. The second portion of beamlets exists the light transmitter as a homogenized uniform laser beam having substantially uniform convergence and focus.

Abstract: Disclosed are a light emitting device package and a lighting system. The light emitting device package includes a body including a recess and a plurality of light emitting device receiving parts formed in a bottom surface of the recess, a plurality of light emitting devices separately provided in the light emitting device receiving parts, a plurality of individual lenses spaced apart from each other on the light emitting device receiving parts, and a common lens covering the individual lenses, wherein at least one of the plurality of individual lenses comprises a concave part formed at the upper portion of the individual lens.

Abstract: In an optical module, an optical element array is an array of optical elements. Further, a lens array is an array of a plurality of lenses. An output point of a light beam of each optical element of the optical element array is caused to coincide with a central line of a corresponding lens of the lens array, and the light beam is made incident on the lens and a parallel beam is output from the lens. When the output point of the light beam of the optical element coincides with an optical axis of the lens, an optical path within the optical element and the optical axis of the lens fail to coincide with each other.