Abstract: A light source system includes two solid-state light sources, two filters, a rotary wheel, a first reflector, a second reflector and a multiband filter is provided. The rotary wheel has a first surface and a second surface opposite to the first surface. The two solid-state light sources and the two filters are disposed in front of the first surface. The first surface includes a first waveband converting region, a reflecting region and a transmission region. The second surface includes a second waveband converting region is symmetrical to the first waveband converting region. The first reflector, the second reflector and the multiband filter are disposed in front of the second surface. Furthermore, the multiband filter is disposed between and optically coupled with the first and the second reflectors. With these arrangements, the light source system could provide light beams of different wavebands to the light valve of a projector.

Abstract: A laser line generating device includes a conical prism, a light-emitting unit for projecting light onto the conical prism, a housing for receiving the light-emitting unit and permitting the light emitted by the light-emitting unit to pass there through, and translucent columns disposed between the housing and the conical prism for connecting the housing and the conical prism, wherein the apex of the conical prism faces towards the light-emitting unit.

Abstract: The present invention provides a method of using a laser lighting apparatus for fire rescue navigation in a smoke-filled structure. The laser lighting apparatus is portably carried at a user's body and directly operated by the user to perform the steps of turning the laser lighting apparatus on to output one or more coherent light planes; projecting the one or more coherent light planes on objects in the smoke-filled structure to produce one or more light stripes on surfaces of the objects; and identifying the objects in the smoke-filled structure from the one or more light stripes.

Abstract: A wavelength conversion element includes: a plurality of phosphor particles; a first matrix located among a part of the plurality of phosphor particles and formed of zinc oxide in a c-axis orientation; and a second matrix located among a remaining part of the plurality of phosphor particles and formed of a material having a refractive index that is lower than a refractive index of the zinc oxide.

Abstract: A light source control device comprises a light source unit which emits parallel beams from an arbitrary position along a second axial direction which is orthogonal to a first axial direction, a light source control unit which controls an emitting position of the parallel beams of the light source unit, one or more deflectors which deflects the parallel beams emitted from the light source unit, and a first diffuser which diffuses the light beam, deflected by the deflector, in a third axial direction which is orthogonal to the first axial direction and the second axial direction, wherein the deflector is disposed to be tilted relative to the first axial direction, and yields a different deflection operation in a first element direction which is orthogonal to the deflector's own optical axis direction and in a second element direction which is orthogonal to both the optical axis direction and the first element direction.

Abstract: A wavelength conversion element disclosed in the present application includes a phosphor layer including a plurality of phosphor particles and a matrix that is located among the plurality of phosphor particles and is formed of zinc oxide. The zinc oxide is columnar crystals or a single crystal in a c-axis orientation.

Abstract: A water proof encasement for an electronic device, such as an electronic laser is used for DJ lighting, holiday lighting, video equipment, and the like. The water proof encasement of the present invention allows a user to install a laser to place outside in the elements to shine on, for example, the outside of a house for holiday lighting.

Abstract: In a laser lighting device, a fly's eye lens and a condenser lens are disposed in an optical path of pulsed laser light emitted from a light source, and an electro-optical crystal element for continuously changing the deflection direction of the pulsed laser light with respect to the incident light and allowing the deflected light to pass therethrough is disposed in a position between the light source and the fly's eye lens or between the fly's eye lens and the condenser lens. The electro-optical crystal element is formed, for example, of a pair of electrodes and an optical crystal material disposed between the electrodes, and a voltage is applied between the electrodes to produce an electric field that changes the refractive index of the electro-optical crystal element. As a result, non-uniform illumination due to interference fringes produced by light having passed through the fly's eye lens can be reduced.

Abstract: Methods and systems consistent with some embodiments presented provide methods for denying visual access to a first area from a target area. In some embodiments, methods for denying visual access from a target area may include generating a structured light pattern and projecting the structured light pattern from onto the target area. The structured light pattern may be moved at a rate and in a pattern to deny visual access of a first area from the target area. In some embodiments, the rate and the pattern may be chosen based on characteristics of the target area.

Abstract: A laser profiler includes: a laser diode mounted within a substantially cylindrical housing; a conical mirror positioned upstream from the laser diode within the cylindrical housing; and a transparent shroud positioned to surround the conical mirror. A beam produced by the laser diode is directed to the conical mirror and is reflected therefrom at 360° through the transparent shroud to produce a ring of light.

Abstract: A surface emitting laser includes a first laser, and a second laser, wherein each of the first laser and the second laser includes a light resonant cavity including a pair of reflecting mirrors, and a semiconductor layer configured to emit light and arranged inside the light resonant cavity, an oscillation wavelength of light varied by displacing a location of the reflecting mirror in a thickness direction of the semiconductor layer, the semiconductor layer is shared by the first laser and the second laser, the first laser has a resonant cavity length for oscillating with (n+1)th order (n is an integer of 1 or more) of a longitudinal mode, the second laser has a resonant cavity length for oscillating with nth order of a longitudinal mode, and respective wavelength bands of light oscillated by the first laser the second laser are different.

Abstract: A small form-factor gimbal system that provides for stabilization of payload assets in a manner that provides improved stabilization capability. Such a small form-factor gimbal system provides for precision payload asset steering functionality through integration of an inertially stabilized two-axis gimbal in combination with a beam stabilization mechanism (BSM). In a preferred embodiment, such a small form-factor gimbal system has a gimbal diameter of about 5? or less and employs a laser assembly having a Coudé path arrangement in which the laser beam passes from the azimuth subassembly to the elevation subassembly along the elevation subassembly rotational axis.

Abstract: In a lighting package, a printed circuit board supports at least one light emitting die. A light transmissive cover is disposed over the at least one light emitting die. A phosphor is disposed on or inside of the light transmissive dome-shaped cover. The phosphor outputs converted light responsive to irradiation by the at least one light emitting die. An encapsulant substantially fills an interior volume defined by the light-transmissive cover and the printed circuit board.

Abstract: A light source device that irradiates a discharge vessel with a laser beam to produce radiant light that is reflected by an ellipsoidal reflecting surface efficiently utilizes the light produced by directing the laser beam through an unirradiated region where reflected light from the ellipsoidal reflector is blocked by the discharge vessel, through an opening side of the ellipsoidal reflector to the discharge vessel. The discharge vessel has an emission substance enclosed inside which is excited by the laser beam and produces radiant light, is arranged at a focal point of the ellipsoidal reflector. A planar mirror, with which radiant light reflected by the ellipsoidal reflector is reflected in a different direction has a window in an unirradiated region where reflected light from the ellipsoidal reflector is blocked by the discharge vessel through which the laser beam passes to the discharge vessel.

Abstract: The present invention provides a light source for a projector system, and method of operating the light source as well as a projector system that provides: i. a substantially uniform brightness across the surface of an image modulator, and ii. at each point of the surface of the image modulator a more uniform filling of the available angular space. Embodiments of the present invention use a laser light source for use with an image modulator, the light source emitting light with multiple wavelengths for at least one primary color and a light integrator system that for each of the wavelengths is adapted to provide: i. a substantially uniform brightness across the surface of the image modulator, and ii. at each point of the surface of the image modulator a more uniform filling of the available angular space.

Abstract: Provided is a laser dazing apparatus shaped as a pistol having an encasement formed by a elongated barrel (114) joined to a handle (117), together forming an encasement. The barrel (114) has a forward end and a rear end, and the handle (117) is connected to the barrel (114) towards the barrel's rear end. The barrel encasement (114) also includes an adapter ring (111) with a focusing fixture (112) for controlling divergence of radiation produced by the device. The apparatus also includes various indicators, a laser generator, a least one battery for electrical power, and a plurality of control circuits controlling the laser generation device, battery, indicators and switches. The apparatus also includes a focus range adjuster (105).

Abstract: A signaling buoy and method suitable for emitting a light signal over long distances in marine environments. The buoy includes a watertight enclosure having a compartment, an aperture at an upper end of the enclosure for emitting a laser light beam therethrough, a laser light source disposed within the enclosure for generating the light beam, and a battery within the enclosure for powering the light source. Electrical contacts are disposed on an exterior of the enclosure and are adapted to complete an electrical circuit when an electrical short exists therebetween to conduct electrical power from the battery to the laser light source. The buoy is configured to float upright in water with the electrical contacts submersed in the water.

Abstract: A light-source module including a light-source holder, a light source, a collimator lens holder, a collimator lens, a fasten member and an elastic member is suitable for being disposed in a housing. The light-source holder having a convex portion engaged with a concave portion of the housing is adapted to rotate about an axis. The light source disposed in the light-source holder emits a light beam along a beam path. The collimator lens is disposed in the collimator lens holder disposed in the light source holder on the beam path and a distance is maintained between the light source and the collimator lens. When fastened into a positioning hole of the housing, the fasten member pushes the light-source holder to rotate about the axis and the light-source holder presses the elastic member leaned against the light-source holder.

Abstract: A light emitting device which includes at least one of a laser light source (1), wiring (9), a lens for excitation (2), a luminous body (4), a laser cut filter (6), a half parabolic mirror (5P), and a base (5h), in which a part of the wiring (9) is installed at a portion in which a breakage easily occurs due to at least one deformation of the laser light source (1), the lens for excitation (2), the luminous body (4), the laser cut filter (6), the half parabolic mirror (5P), and the base (5h), or a change in an installation position thereof.

Abstract: A water soluble composition mitigates and diffuses energy, such as laser energy, infrared energy and electron beams with minimum backing height. The composition of the present invention presents no environmental hazard or residual liability of waste or byproducts.

Abstract: An illumination unit capable of reducing luminance unevenness in illumination light, a projection display unit, and a direct-view display unit each of which uses such an illumination unit. An illumination optical system includes one or more light sources each including a solid-state light-emitting device; and an optical member configured to allow light incident from the solid-state light-emitting device to pass therethrough and exit therefrom, and at least one of the chips in the one or more light sources is configured of a laser diode. The optical member includes an integrator including a first fly-eye lens on which light from the solid-state light-emitting device is incident and a second fly-eye lens on which light from the first fly-eye lens is incident, and uniformizing a luminance distribution of light in a predetermined illumination region illuminated with light incident from the solid-state light-emitting device.

Abstract: A silicon-based thermal energy transfer apparatus that aids dissipation of thermal energy from a heat-generating device, such as an edge-emitting laser diode, is provided. In one aspect, the apparatus comprises a base portion and a support portion. The base portion is made of silicon and includes a first primary surface. The first primary surface includes at least first and second V-notch grooves thereon. The support portion is made of silicon and includes at least first and second edges that are interlockingly received in the first and second V-notch grooves when the support portion is mounted on the base portion.

Abstract: Method and system for laser crystal degradation compensation are disclosed. The method includes: defining a plurality of sites on a frequency converting crystal; determining a degradation rate associated with each of the plurality of sites; determining an amount of time T wherein a site is continuously operable within a tolerated variation of at least one beam parameter, the amount of time T being determined based on the tolerated variation of the at least one beam parameter and the degradation rate; determining an amount of time t wherein t is a fraction of T; and iteratively shifting among the plurality of sites, wherein each of the plurality of sites is utilized continuously for a duration of time t for each iteration.

Abstract: Embodiments of the invention provide a method for visually designating a plurality of points in three-dimensional space using an apparatus including at least one laser configured to emit visible light, at least one lens configured to collimate the visible light emitted from the laser, a plurality of independently controllable reflective surfaces wherein each surface is configured to independently steer a portion of the collimated visible light dynamically in time, and a control means configured to adjust the steering of the collimated light. The method includes selecting a plurality of points on an arbitrary plane. A portion of the collimated visible light is steered to locations corresponding to the selected plurality of points on the arbitrary plane. And, at least one of the points of the plurality of points is illuminated with the portion of the collimated visible light. Alternatively, a plurality of non-planar points is selected in the three-dimensional space.

Abstract: LED packages are disclosed that are compact and efficiently emit light, and can comprise encapsulants with planar surfaces that refract and/or reflect light within the package encapsulant. The packages can comprise a submount with one or more LEDs, and a blanket conversion material layer on the LEDs and the submount. The encapsulant can be on the submount, over the LEDs, and light reflected within the encapsulant will reach the conversion material, where it is absorbed and emitted omnidirectionally. Reflected light can now escape the encapsulant, allowing for efficient emission and a broader emission profile, when compared to conventional packages with hemispheric encapsulants or lenses. In certain embodiments, the LED package provides a higher chip area to LED package area ratio. By using an encapsulant with planar surfaces, the LED package can provide unique dimensional relationships between the various features and the LED package ratios, enabling more flexibility with different applications.

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: An apparatus emits a laser light beam with a first aspect ratio of etendue R1, wherein the optical invariant with respect to a first direction is less than half the optical invariant with respect to a second orthogonal direction. A first cylindrical lens collimates the beam in the first direction. A second cylindrical lens collimates the light beam in the second direction. A bisecting reflective surface has an edge that splits the collimated beam into undeviated and first deviated beam paths. A folding reflective surface redirects the first deviated beam path back toward the bisecting reflective surface, optically parallel with and displaced from the undeviated beam path with respect to the first direction. At least a portion of the redirected first deviated beam path passes the edge and combines with the undeviated path to form an output beam having a second aspect ratio of etendue R2 not equal to R1.

Abstract: A wavelength-changeable laser apparatus including a laser light source, a collimating lens, a diffraction grating, and a mirror is shown. The laser light source provides a laser light. The collimating lens collects the laser light provided from the laser light source and providing a light that is substantially parallel. The diffraction grating diffracts the light provided from the collimating lens. The mirror reflects the light provided from the diffraction grating back to the diffraction grating, a rotation axis rotatable within a predetermined range of a tuning angle being set therein so that a wavelength of the laser light is changed in a mode hopping form, the minor rotating based on the rotation axis serving as a pivot point. Therefore, a wavelength change speed may be increased and a stability of wavelength change may be improved.

Abstract: A baby monitoring light system includes a light body having a bottom portion and a top portion, the light body having a height generally shorter than the light body width and length, the light body comprising a light source oriented upwardly from the top portion, the light body adapted to project a light beam upwardly onto a surface approximately 5 to 15 feet away. The system may include a blanket having a pocket, the light body positionable in the pocket, the pocket having a space through which the light source projects when the light body is in the pocket. The light body may include one or more releasable fasteners.

Abstract: The invention relates to a light-guide panel for an LCD with a laser backlight. The panel comprises a laser light source and a main ridge waveguide with a plurality of first holograms that change the direction of the laser light that propagates along the main ridge waveguide to the direction perpendicular to the latter. The first holograms are associated with thee light of predetermined wavelengths and are optically connected to respective transverse waveguides that lie in the same plane but are perpendicular to the main ridge waveguide. Each transverse ridge waveguide has a plurality of second holograms designed so that they change the direction of laser light that propagates along the transverse ridge waveguide in the direction at an angle to the plane of the LGP substrate. This angle should be close to 90° and may be obtained in the range of 70° to 85°.

Abstract: This invention provides a system and method for laser profiling that simplifies the task of setting up and using laser profiling systems and associated applications by providing a profiler assembly that includes a predetermined arrangement of lens and spaced-apart laser in which the geometry and calibration parameters are predetermined. The profiler assembly is adapted to mount directly into the camera mount (typically threaded) of a conventional vision system camera. All components needed to perform the profiling task can be integrated into the profiler assembly. The integration of components in a single interchangeable/exchangeable assembly makes it straightforward to optimize/adapt the assembly for a particular profiling application.

Abstract: Emissive quantum photonic imagers comprised of a spatial array of digitally addressable multicolor pixels. Each pixel is a vertical stack of multiple semiconductor laser diodes, each of which can generate laser light of a different color. Within each multicolor pixel, the light generated from the stack of diodes is emitted perpendicular to the plane of the imager device via a plurality of vertical waveguides that are coupled to the optical confinement regions of each of the multiple laser diodes comprising the imager device. Each of the laser diodes comprising a single pixel is individually addressable, enabling each pixel to simultaneously emit any combination of the colors associated with the laser diodes at any required on/off duty cycle for each color. Each individual multicolor pixel can simultaneously emit the required colors and brightness values by controlling the on/off duty cycles of their respective laser diodes.

Abstract: A laser aiming device incorporated into a battery cap housing, which is in turn secured to such as an existing gun sight and which is in communication with the sights primary power source, such as a battery. The laser aiming device constitutes such as a diode and adjustment mechanism attached to a weapon sight battery source and, by virtue of a circuit closing cap insert, powering itself off the same. As such, the device is capable of being attached to the other side of the battery cap, while running off the single (primary) battery source associated with the cap.

Abstract: A laser light source module includes a laser light source outputting laser light, a wavelength conversion element converting a wavelength of the laser light, a temperature sensor mounted on a first face of the wavelength conversion element, a heater substrate of a ceramic base material, on which the wavelength conversion element is mounted. A heater is provided on the heater substrate, in which a sub-mount substrate on which the laser light source is mounted and the heater substrate are fixed to a heat sink, and the heat sink includes a concavity at a position corresponding to a projection region of the wavelength conversion element opposite to the substrate, whereby the entire wavelength conversion element is kept at the most suitable operation temperature, and laser light can be wavelength-converted in higher efficiency.

Abstract: A computation & control unit defines, as first and second voltages, A+B_signal voltages at distances which give the maximum and minimum voltages of an S_signal voltage, respectively. The unit further defines the higher one of the first and second voltages as an S_signal validity determination voltage and defines a distance at which the S_signal voltage takes on an in-focus determination voltage. The unit defines first and second lower limit voltages, defines the higher one of the first and second lower limit voltages as a lower limit voltage, and defines, as an upper limit voltage, an A+B_signal voltage at a distance which gives an in-focus determination voltage between the maximum and minimum positions of the S_signal voltage. An input and output unit outputs the upper and lower limit voltages as the upper and lower limit values of a settable range of the S_signal validity determination voltage.

Abstract: A light source structure of a projector includes at least a solid state lighting element, at least an optical collimator lens, and at least a micro-lens. The solid state lighting element generates a plurality of radial beams, which are incident to the optical collimator lens. The optical collimator lens converts the radial beams into a plurality of parallel beams which successively strike the micro-lens. The parallel beams are concentrated and focused by the micro-lens into a projecting beam.

Abstract: Techniques, devices and materials for light source devices that convert excitation light into different light via wavelength conversion materials. One example of a light source includes an excitation light source; a wavelength conversion material that absorbs light from the excitation light source and emits a longer wavelength light; and a layer of a transparent material that has plural optical structures in contact to or in close proximity to the wavelength conversion material to receive the emitted light from the wavelength conversion material and to modify the received light to produce output light with a desired spatial pattern associated with the plural optical structures.

Abstract: A light-emitting device includes a light-emitting section, a lens, and a movement control section, the movement control section changing an illumination position and a spot size of a laser beam in the light-emitting section by changing a relative position of the lens with respect to the light-emitting section.

Abstract: An illumination device includes: a light source section including a laser light source; a first uniformization optical member receiving light from the light source section; a second uniformization optical member receiving light from the first uniformization optical member; an optical device disposed on an optical path of outgoing light from the light source section; and a drive section vibrating the optical device.

Abstract: An illumination device includes: a light source section including a laser light source; a uniformization optical member including a plurality of unit cells which are two dimensionally arranged, and receiving light from the light source section; an optical device disposed on an optical path between the light source section and the uniformization optical member; and a drive section vibrating the optical device, in which an expression (1) is satisfied: {6×f×tan(?f)}>Pf ??(1) where f is a focal length of the unit cell, Pf is a pitch of the unit cell, ?f is a marginal ray angle in a light flux emitted from the optical device to enter the uniformization optical member.

Abstract: A glass pane is described. The glass pane has at least one pane, and one adhesive layer on the pane. The adhesive layer has at least one thermoplastic film with a luminescent pigment and a barrier film with an anti-scratch coating.

Abstract: An illuminating unit includes: a light source section including a laser light source; a first uniformizing optical member on which light from the light source section is incident; and a second uniformizing optical member including a plurality of first unit cells and a plurality of second unit cells and on which light from the first uniformizing optical member is incident. The first unit cells are arranged on a light incidence surface of the second uniformizing optical member and each have an anisotropic shape with a major-axis direction as a first direction and a minor-axis direction as a second direction, and the second unit cells are arranged on a light emission surface of the second uniformizing optical member and each have a shape protruding along both the first direction and the second direction.

Abstract: A device housing includes first and second cases, a first magnetically sensitive positioning pin, and a first compressible member. The first case has a first protruding block having a first positioning hole. The second case has a first groove having a second positioning hole. When the first protruding block is disposed in the first groove, the first positioning hole is aligned with the second positioning hole. The first magnetically sensitive positioning pin runs through the first and second positioning holes to position the second case on the first case. The first compressible member is disposed in the first positioning hole and between an inner wall of the first positioning hole and the first magnetically sensitive positioning pin. When a first magnetic force acts on the first magnetically sensitive positioning pin, the first magnetically sensitive positioning pin compresses the first compressible member and moves away from the second positioning hole.

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: 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: A system for illuminating an object is provided, the system comprising a coherent or semi-coherent light source and a first diffuser positioned relative to the coherent or semi-coherent light source so as to receive said coherent or semi-coherent light. The first diffuser may diffuse the light to produce diffused light. An actuator having a moveable element, such as a moveable reflective surface, may be positioned to project the diffused light onto an object, and may be moved to project light onto different portions of the object. This movement may be performed with such rapidity that it is not perceived by a person viewing the object. Rather, the entire object would appear to be illuminated. Movement of the element may be controlled by a computer, and may be performed according to a predefined routine.

Abstract: A mounting mechanism for a laser or reflector may consist of a gross adjustment mechanism and a fine adjustment mechanism. The gross adjustment mechanism may enable a laser or reflector to be oriented in an approximate orientation and locked in place. The fine adjustment mechanism may enable a fine and precise adjustment to be applied. The mounting mechanisms may include a mounting plate that may mount to the surface of a wall and protect the rest of the mounting mechanism from disruption, but may also allow the fine adjustment mechanism to be tuned. The mounting mechanisms may be used to create a durable yet easily adjustable laser maze amusement.

Abstract: A wavelength conversion device comprising a plurality of regions. Each region for absorbing radiant energy and emitting light having a characteristic dependent upon which region of the device emits the light.

Abstract: A surface-emitting semiconductor laser includes a substrate, a first n-type semiconductor multi-layer reflecting mirror formed on the substrate including a pair of a high refractive index layer with a relatively high refractive index and a low refractive index layer with a low refractive index which are laminated, an n-type semiconductor layer formed on the first semiconductor multi-layer reflecting mirror, having an optical film thickness greater than an oscillation wavelength, and including Al and Ga, an active region formed on the semiconductor layer, and a second p-type semiconductor multi-layer reflecting mirror formed on the active region and including a pair of a high refractive index layer with a relatively high refractive index and a low refractive index layer with a low refractive index which are laminated, wherein an n-type impurity dopant injected into the semiconductor layer is a group VI material or Sn.

Abstract: A waveguide that includes a first cladding layer, the first cladding layer having an index of refraction, n3; a gradient index layer positioned adjacent the first cladding layer; an assist layer positioned adjacent the gradient index layer, the assist layer having an index of refraction, n2; a core layer positioned adjacent the assist layer, the core layer having an index of refraction, n1; and a second cladding layer, the second cladding layer having an index of refraction, n4, wherein n1 is greater than n2, n3, and n4; and n2 is greater than n3 and n4.