Abstract: An illumination optical system unit 26A includes an optical fiber 39A, a fluorescent body 40, a ferrule 60 as a holding member that holds the fluorescent, body 40 and the optical fiber 39A, a cylindrical first sleeve member 61 that covers the outer periphery of the fluorescent body 40, and a protective cover 38 that seals the tip side of the fluorescent body 40. The ferrule 60 holds the optical fiber 39A and the fluorescent body 40, and is inserted into the first sleeve member 61. A magnetic metal film 67 is provided on the surface of a fluorescent body-holding portion 69 of the ferrule 60. The tip of the protective cover 38 and a magnet 75 are allowed to come into contact wife each other to generate magnetic force between those two, so that the fluorescent body 40 comes into close contact with the protective cover 38.

Abstract: A light source system includes an intermediary adapter which mechanically connects a first light source module, a first irradiation module, a second light source module and a second irradiation module, a first connection mechanism which connects the first light source module and the intermediary adapter and a second connection mechanism which connects the second light source module and the intermediary adapter. The first irradiation module and the second irradiation module are interchangeably connected to the intermediary adapter in the same plane of the intermediary adapter.

Abstract: An illumination system for a lithographic or inspection apparatus. A plurality of optical waveguides transmit radiation from the illumination source to an output. A switching system enables selective control of one or more subsets of the optical waveguides. An inspection method uses an illumination system and inspection and lithographic apparatuses comprise an illumination system. In one example, the optical waveguides and switching system are replaced by a plurality of parallel optical bandpass filter elements. The optical bandpass filter elements each only transmit a predetermined wavelength or a band of wavelengths of radiation. At least two of the parallel optical bandpass filter elements each being operable to transmit a different wavelength or band of wavelengths.

Abstract: A headlamp includes a plurality of laser devices that emit laser light and a light emitting section that generates light upon receiving light. The laser light sources generate laser light of a plurality of wavelengths different from one another and each generate laser light of a wavelength that causes the light emitting section to generate light, and the one light emitting section is irradiated with laser light from the plurality of laser light sources.

Abstract: A laser light source apparatus includes: a laser light source that emits a laser beam; a condenser lens that converges the laser beam emitted from the laser light source; and a light guide unit that propagates and outputs the laser beam converged by the condenser lens, and the laser beam converged by the condenser lens is made incident at an angle other than perpendicular to an incident end face of the light guide unit.

Abstract: An irradiation module mechanically detachably attached to a light source module includes a first light source light entrance end which allows entry of first light source light from a first light source module, a first light guide member to guide the first light source light entered the first light source light entrance end, a second light source light entrance end which allows entry of second light source light from a second light source module, and a second light guide member to guide the second light source light entered the second light source light entrance end. The first light guide member and the second light guide member have optical specifications which correspond to optical characteristics of the light source light to be guided and in which the optical characteristics are different from each other.

Abstract: According to one embodiment, a solid state lighting device includes an irradiating section, an optical waveguide body, a reflecting section, and a first wavelength conversion layer. The irradiating section emits laser light. The optical waveguide body has an incident surface into which the laser light is led, an inclined surface crossing an optical axis of the laser light, and an emission surface. The thickness between the inclined surface and the emission surface decreases as the inclined surface and the emission surface are further away from the incident surface. The reflecting section is provided on the inclined surface. The first wavelength conversion layer is provided on the inclined surface and emits wavelength-converted light having a wavelength larger than the wavelength of the laser light and emit the laser light as scattered light. Mixed light of the scattered light and the wavelength-converted light is emitted to above the emission surface.

Abstract: An apparatus for illumination is provided. In one aspect, the apparatus comprises a light guide device including a hollow light pipe portion, an opening, and a distal end longitudinally opposite from the opening. The opening is configured to receive at least a portion of an illumination device therein. Either or both of the light pipe portion and the distal end has a textured surface thereof.

Abstract: The disclosure extends to methods, systems, and computer program products for controlled illumination in a light deficient environment.

Abstract: A light pointer (e.g., laser pointer) comprises an optical fiber light source. Optionally, the output beam provided by the pointer may be adjustable from small output angles (substantially collimated beam, “spot” mode to larger output angles providing “flood” illumination. The light pointer may emit infrared light, for example.

Abstract: A lighting device for a motor vehicle, includes a light guide for total-reflective guiding of light along a direction of light propagation. The light originates from at least one light source and can be coupled-in via at least one coupling surface on one end face of the light guide. The light guide further includes a coupling-out surface disposed along the direction of light propagation for coupling out light that exits from the light guide where the total-reflection condition no longer exists at the exit surface disposed along the direction of the light propagation. The lighting device is characterized in that the at least one light source, the light from which can be coupled in on the at least one coupling-in surface, is a laser light source.

Abstract: An optical module apparatus and method operates at high temperatures. The apparatus has a first printed circuit board with optoelectronics and electronics located on a thermoelectric cooler. The thermoelectric cooler is located on a second printed circuit board that also has electronics that control the thermoelectric cooler separately mounted thereon. The optical module operates at substantially higher temperatures by placing the optoelectronics and the electronics, not including the thermoelectric cooler controller, on the thermoelectric cooler. The electronics controlling the thermoelectric cooler only require relatively simple, low-speed electronics that are implemented in integrated circuit technologies. The integrated circuit electronics may operate at very high temperatures (200° C. or higher) thereby making control of the thermoelectric cooler with uncooled electronics possible.

Abstract: An apparatus and method for transmission of laser pulses with high output beam quality using large core step-index silica optical fibers having thick cladding, are described. The thick cladding suppresses diffusion of modal power to higher order modes at the core-cladding interface, thereby enabling higher beam quality, M2, than are observed for large core, thin cladding optical fibers. For a given NA and core size, the thicker the cladding, the better the output beam quality. Mode coupling coefficients, D, has been found to scale approximately as the inverse square of the cladding dimension and the inverse square root of the wavelength. Output from a 2 m long silica optical fiber having a 100 ?m core and a 660 ?m cladding was found to be close to single mode, with an M2=1.6.

Abstract: Disclosed is a light emitting device including: a single or a plurality of laser diode(s) configured to emit a laser beam; a light emitting body configured to emit light upon irradiation with the laser beam(s); and an optical fiber guiding the single or plurality of laser beam(s) emitted from the single or plurality of laser diode(s) to a vicinity of the light emitting body and irradiating the guided single or plurality of laser beam(s) to a predetermined laser beam irradiation plane of the light emitting body, in a dispersed manner. This allows for achieving a high-luminance and a long life.

Abstract: An illuminatable apparatus includes a fabric sheet containing fiber optic rods interwoven with fabric threads. The ends of the fiber optic rods are bundled together to form a ferrule which is removably insertable into a holder carrying a light source and a power source. An outer ferrule can be fixed over the sleeve-like ferrule or robust applications. The holder may be removably attached to articles of clothing. The illuminatable fabric sheet can be used as an optical bandage, in a medical cast, in a negative pressure device, or in a bed pad/sheet, or in a therapeutic brace support.

Abstract: A side firing laser device suitable for use in medical and surgical procedures has a laser energy transmission efficiency in excess of 90% and provides consistent and rapid vaporization of tissue as well as long useful life. The device includes a conduit with an optical fiber therewithin. The optical fiber is adapted for coupling to a laser energy source at the proximal end thereof and has a beveled distal end portion capped by a closed end capillary tube which, in turn, is surrounded by a reflective sheath with a side port through which laser energy emitted by the optical fiber can pass.

Abstract: A waveguide (100, 101) such as optical fiber is to receive a primary light in a longitudinal (propagation) direction. The fiber has formed therein scattering structures (105, 106, 107) that re-direct the propagating primary light out of the waveguide, for instance in a transverse direction. A photo-luminescent layer (103) absorbs the re-directed primary light to thereby emit secondary wavelength converted light having a different wavelength than and broader bandwidth than the primary light, resulting in white illumination light, being the secondary light combined with any unabsorbed primary light. Other embodiments are also described and claimed.

Abstract: A laser lighting device, including a laser light source and a light pipe, is disclosed. The laser light source can produce a laser beam with a diffusion angle not larger than 30 degrees. The light pipe is disposed in a light path of the laser beam, and has a light incident surface, a light exiting surface and several cut planes. The light incident surface is opposite to the laser light source, and the cut planes are located between the light incident and light exiting surfaces. Each of the cut planes is normal to the longitudinal direction of the light pipe, and has an area smaller than that of the light exiting surface but larger than that of the light incident surface. The areas of the cut planes increase sequentially along the longitudinal direction. The laser beam will be effectively collimated by the light pipe after passing through the light pipe.

Abstract: A light-emitting device can include a fluorescent plate having a first surface and a second surface opposite to the first surface and configured to emit fluorescent light by laser irradiation. A first laser light source can be disposed such that the first surface of the fluorescent plate is irradiated with first laser light. A second laser light source can be disposed such that the second surface of the fluorescent plate is irradiated with second laser light. A reflector can include a light passing hole through which the second laser light can pass and can include a concave reflecting surface configured to cover an irradiation region with the second laser light at least on the fluorescent plate. A lens can be disposed in a space closer to the first surface of the fluorescent plate.

Abstract: A broadband light source that outputs broadband light with reduced peak power includes a pulsed light source, an optical fiber, a band-elimination filter, and a light echo unit. The optical fiber receives pulsed light output from the pulsed light source, expands the spectrum of the pulsed light by a nonlinear optical effect within the fiber to generate supercontinuum light, and outputs the supercontinuum light. The light echo unit has a plurality of optical paths between an input terminal and an output terminal thereof. At least one optical path in the plurality of optical paths serves as a loop optical path. The light echo unit receives, via the input terminal, the supercontinuum light output from the optical fiber and having traveled through the band-elimination filter, guides the supercontinuum light through the plurality of optical paths, and outputs the supercontinuum light guided by the plurality of optical paths from the output terminal.

Abstract: A laser light source includes a laser element that outputs a fundamental wave; a wavelength conversion element to which the fundamental wave is input and that wavelength-converts at least a portion of the input fundamental wave to a converted wave having a wavelength shorter than the fundamental wave; a first waveguide that guides an output wave from the wavelength conversion element; a second waveguide that attenuates and guides a component of the fundamental wave included in the output wave from the first waveguide; a diffraction grating that is formed in the first waveguide and locks a wavelength or a frequency of the fundamental wave output from the laser element by feeding back the fundamental wave output from the wavelength conversion element.

Abstract: Described herein are devices that provide projection-type video output in a portable and flexible design. The design includes a projection chamber, a base, and an interface that permits relative positioning between the projection chamber and base. The base maintains the position of the display device. The projection chamber includes components responsible for the production of images based on received video data and components responsible for the projection of those images. Relative pointing between the projection chamber and base allows the projection chamber to be pointed—and an output projected image to be positioned—with minimal effort.

Abstract: A lighting apparatus of the present invention includes light source (101), rod integrator (105), reflecting mirror (103), diffusion plate (104) disposed adjacently to reflection mirror (103), reflective polarizing plate (107), and wavelength plate (106). The lighting apparatus further includes curved mirror (102) disposed among light source (101), reflecting mirror (103), and diffusion plate (104). Reflecting mirror (103) and curved mirror (102) include apertures (102a and 103a) formed to allow at least light from light source (101) to pass. Curved mirror (102) reflects light leaked from the entrance plane side of rod integrator (105) toward aperture (103a) of reflecting mirror (103).

Abstract: A phosphor-based lamp includes a phosphor material and an excitation source, which may be a laser or an LED, or both. Preferably, the lamp includes a recycling collar to reflect and recycle high angle light to increase brightness. Preferably, when the excitation source is a laser, a beam splitter redirects the laser beam to direct the laser beam through the recycling collar aperture onto the phosphor material. Light emitted by the phosphor material which exits the aperture passes through the beam splitter as the output of the lamp. Alternatively, lenses are used to redirect the laser beam around the recycling collar towards the phosphor material. Preferably, a plurality of excitation lasers are disposed around the recycling collar and aimed either to direct their outputs onto the phosphor material or toward an opposing wall, where the outputs are reflected onto the phosphor material. Such lamp may be used as part of a projection system. In one embodiment, the phosphor material is contained on the color wheel.

Abstract: The invention relates to a device for adjusting a beam profile of a laser beam, which is guided in a light guide of a fiber optic cable provided with a protective sleeve, wherein the device comprises a deformation device for deforming the light guide in a section of the fiber optic cable not enclosed by the protective sleeve, a housing, which is designed to surround the light guide at least in the section not enclosed by the protective sleeve, and also two holders provided at opposite ends of the housing for fixing in each case one end of a section of the protective sleeve, wherein the holders each comprise an opening for feeding the light guide to the deformation device. The invention also relates to a laser processing machine having such a device and to an associated production method.

Abstract: An optical fiber (500) illuminates the bore (520) of a capillary tube (515) that is used for separating chemicals by capillary electrophoresis (CE). The fiber terminates in either two sloped regions (525) and a curved region (530) or two sloped regions (705) and a flat region (700). Light from these regions is focused on the bore of the capillary tube. Since the fiber is sized to illuminate the core of a CE capillary, it is larger than fibers used in telecommunications and its sloped regions are at angles that would be unsuitable for use in telecommunications. The relatively large diameter of the capillary permits efficient use of a light source (905).

Abstract: In a projection display apparatus in which a laser beam source and an optical engine are connected together through an optical fiber, safety is improved against temperature rise in the optical fiber and its periphery. A projection display apparatus includes a temperature sensor 4 provided on the end portion, of the side of an optical engine 6, of an optical fiber group 1 for connecting a laser beam source 5 and the optical engine 6 to each other, in which, by detecting temperature and informing to a controlling unit 71 for controlling the laser beam source 5, when temperature rise exceeding a set value having been set previously is detected, the controlling unit 71 is made to control so as to decrease or stop output from the laser beam source 5.

Abstract: Embodiments comprise a device that can efficiently produce a highly resolved intensity profile that can be easily switched to various specific configurations with binary word strings defining output intensities that after summation will be combined to form a single colors intensity depth. Arraying these devices allows an image line of single color pixels to be efficiently produced without gross scintillation effects. The non-coherent output is desirable in this application as it reduces scintillation effects on the screen or final image.

Abstract: A display and illumination system includes a light source section accommodating a light source; an optical fiber for transmitting light from the light source; a display illumination unit radiating light transmitted by the optical fiber; a light source module installed in the light source section, accommodating the light source, and optically connected to the optical fiber; a plug electrode installed in the light source module and supplying electric power to the light source; a convex portion on a first side of the light source module, engaging the optical fiber, and extracting light from the light source; and a concave portion located opposite the first side of the light source module and urging the convex portion toward the optical fiber with a constant force.

Abstract: An illumination and laser energy delivery system, providing various flush and extended tip laser and illumination probe configurations for retinal surgery, is disclosed that allows efficient delivery of laser and illumination energy to a surgical site through a device that is smaller than the standard 20 gauge probe conventionally used in endophotocoagulation procedures. Novel constructions, as disclosed, enable the space inside the probe cannula to be used more efficiently than in prior art devices, providing improved performance of the device and system in delivering laser and illumination energy to the surgical site.

Abstract: Methods and apparatus for a free space coupler to receive light from a laser via air. In one embodiment, a system comprises a laser source, a mirror optically aligned to the laser source, a first mount to control a position of the mirror, a free-space coupler to receive light from the mirror, a beam splitter to receive light exiting the coupler, a first detector to receive light reflected from the beam splitter, a second mount coupled to the first detector and to the coupler to control a position of the coupler from information from the first detector, and a second detector to receive light reflected by the coupler and the mirror, wherein the second detector is coupled to the first mount for positioning the mirror with respect to the coupler.

Abstract: An illumination and laser energy delivery system, including an extended tip laser and illumination probe for retinal surgery, is disclosed that allows efficient delivery of laser and illumination energy to a surgical site through a device that is smaller than the standard 20 gauge probe conventionally used in endo-photocoagulation procedures. Novel constructions, as disclosed, enable the space inside the probe cannula to be used more efficiently than in prior art devices, providing improved performance of the device and system in delivering laser and illumination energy to the surgical site.

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: The frontlight illumination system is intended for enhancing illumination of a reflective display having pixels arranged in a matrix pattern and using monochromatic laser lights as light sources. The unit contains a network of light-distributing planar ridge waveguides with holograms arranged in a matrix pattern that corresponds to the matrix pattern of the reflective display. The light-distributing holograms of the system are formed on opposite sides of each core of respective light-distributing planar ridge waveguides. Neighboring holograms located on opposite sides of the core are combined into pairs and are arranged on each core in positions at which they interact with a predetermined phase shift that doubles the intensity of light directed to the reflective display and extinguishes light directed to the external surface.

Abstract: An illuminating optical system suppresses deterioration in utilization efficiency of illuminating light and generation of fluctuations in light emission without increasing apparatus size. The illuminating optical system includes a plurality of light sources of different types, a light combining optical system that combines light beams output from each of the light sources such that they converge at a single position, and a rod integrator that uniformizes the light intensity distributions of the light beams which are converged at the single position that enter a first end thereof and outputs the light beams, of which the light intensity distribution has been uniformized, from a second end thereof. The light combining optical system includes relay optical component sets corresponding to each of the light sources, and the relay optical component sets have relay magnification ratios different from each other.

Abstract: A device for generating white light is provided that includes at least one light source and at least one conversion medium. The light source emits light in the blue and/or ultraviolet spectral range. The light from the light source is generated by a laser and the light from the light source is focused by an optical system onto the conversion medium. The conversion medium converts at least part of the incident light into a different spectral range.

Abstract: The present invention provides a light engine having four LED light sources in combination with one or more laser light sources. A combination of collimators, bandpass filters, dichroic mirrors, and other elements is operative to direct light from the light sources onto a main optical axis from where it may be focused into a light guide for transport to a instrument or device. Particular embodiments of the invention provide for computer control, intensity control, color control, and light source modulation. The light engine provides light suitable for applications in microscopy, endoscopy, and/or bioanalytical instrumentation.

Abstract: Provided is an optical Printed Circuit Board (PCB). The PCB includes: an insulation layer; an optical waveguide filled in the insulation layer; and an optical device buried in the insulation layer and disposed on the same plane as the optical waveguide.

Abstract: An apparatus and method for despeckling that includes a pulsed laser with a pulse width between 1 ps and 10 ns and stimulated Raman scattering light formed in an optical fiber. The stimulated Raman scattering light may be used to form a projected digital image. A second pulsed laser with a wavelength at least 2 nm different may be included and stimulated Raman scattering light formed in a second optical fiber may be combined with the stimulated Raman scattering light formed in the first optical fiber.

Abstract: An optical device comprising a sealed/closed housing; a light source and/or a detector within the housing; a window through the housing that is transparent to light transmitted from the light source or to the detector and a fixing for fixing an optical fiber or bundle of such fibers into a coupling position adjacent to the window to allow light to pass between the housing and the fiber or fiber bundle, wherein the fixing is adapted to allow connection and/or disconnection of the fiber or fiber bundle without opening or breaking a seal of the sealed housing.

Abstract: A light-emitting device includes a plurality of laser elements, a light-emitting section for emitting light in response to a laser beam, and an emission control section for controlling whether each of the plurality of laser elements emits light or not. At least a part of the plurality of laser elements is positioned in such a manner that irradiation regions of the light-emitting section are positioned at least partially differently.

Abstract: The frontlight illumination system is intended for enhancing illumination of a reflective display having pixels arranged in a matrix pattern and using monochromatic laser lights as light sources. The unit contains a network of light-distributing planar ridge waveguides with holograms arranged in a matrix pattern that corresponds to the matrix pattern of the reflective display. The light-distributing holograms of the system are formed on opposite sides of each core of respective light-distributing planar ridge waveguides. Neighboring holograms located on opposite sides of the core are combined into pairs and are arranged on each core in positions at which they interact with a predetermined phase shift that doubles the intensity of light directed to the reflective display and extinguishes light directed to the external surface.

Abstract: A light pointer (e.g., laser pointer) comprises an optical fiber light source. Optionally, the output beam provided by the pointer may be adjustable from small output angles (substantially collimated beam, “spot” mode to larger output angles providing “flood” illumination. The light pointer may emit infrared light, for example.

Abstract: An aviation obstruction lighting system having a lamp mounted on the an aviation obstruction at an elevation sufficiently high to serve as a warning of the presence of the obstruction to pilots of approaching aircraft, a remote light source, and an optical waveguide connecting the lamp and the light source and conducting light from the light source to the lamp. The optical waveguide contains quartz glass fibers. The light source is mounted at an elevation to be manually accessible by a technician standing on, or on a platform less than two meters from, the ground. The lamp includes an optical waveguide end receiver, and a Fresnel lens surrounding a reflective element having a conical or frustoconical surface positioned to intercept and reflect light emanating from an optical waveguide, such that the reflected light is directed to an inner incident surface of the Fresnel lens.

Abstract: A laser illumination device for providing a light intensity distribution of a high-intensity and uniform illumination light flux is obtained. The device includes a plurality of light source modules (20) each including: a plurality of light source units (8), in each of which a semiconductor laser (1), and a laser medium (5) and a nonlinear material (7) which are flat-shaped and have a waveguide structure are arranged on the same plane, for performing continuous oscillation in a waveguide mode of the laser medium (5); and a first optical system (12) for coupling laser oscillation beams from the plurality of light source units (8).

Abstract: A laser-sustained light source having a first laser source for providing a first beam portion having a first characteristic, a second laser source for providing a second beam portion having a second characteristic, where the first characteristic is different from the first characteristic, first optics that are reflective to the first characteristic and transmissive of the second characteristic, for reflecting the first beam portion along a first path into a reflection optics and through a cell to sustain a plasma, second optics that are reflective to the second characteristic and transmissive of the first characteristic, for reflecting the second beam portion along a second path into the reflection optics and through the cell to sustain the plasma, the first path exiting to the second optics, where the first beam is transmitted through the second optics and into a beam dump, and the second path exiting to the first optics, where the second beam is transmitted through the first optics and into the beam dump.

Abstract: An illuminating device capable of improving eye-friendliness is provided. The illuminating device includes a fluorescent member that is irradiated with laser light functioning as excitation light to emit fluorescence, a condensation sensor that detects condensation near an optical path of the laser light, and a controller that limits irradiation of the laser light onto the fluorescent member in a case where the condensation sensor has detected condensation.

Abstract: A solid state illumination system is provided as a replacement for conventional arc light, metal halide and Xenon white-light sources for applications in life sciences including, microscopy, fluorescence microscopy, and endoscopy. The solid state illumination system generates high quality white light output from LED light sources. The white light output is continuous in the visible spectrum from 380 nm to 650 nm and is suitable for imaging all the most common fluorophores and fluorescent proteins. In embodiments, an LED light pipe engine is used to generate a portion of the spectral content of the white light output. In alternative embodiments the solid state illumination system produces light output of a selectable color.

Abstract: Described herein are devices and structures used for decorating food, and food packaging, using a single light source to provide multiple points of light on a panel or panels of the device. The devices may include a structure such as a stand placing the decorative device on a food item, such as a cake.

Abstract: An illumination system for a lithographic or inspection apparatus. A plurality of optical waveguides transmit radiation from the illumination source to an output. A switching system enables selective control of one or more subsets of the optical waveguides. An inspection method uses an illumination system and inspection and lithographic apparatuses comprise an illumination system. In one example, the optical waveguides and switching system are replaced by a plurality of parallel optical bandpass filter elements. The optical bandpass filter elements each only transmit a predetermined wavelength or a band of wavelengths of radiation. At least two of the parallel optical bandpass filter elements each being operable to transmit a different wavelength or band of wavelengths.