An optical device including a support mounted on a rotational-drive motor, and a reflective optical component, the support including at least one sleeve coaxial with the rotational-drive axis, of which sleeve one end defines an inlet orifice and which sleeve in its wall includes an opening defining an outlet orifice, and inside which sleeve the reflective optical component is housed in such a way that a beam of light entering via the inlet orifice is reflected by the reflective optical component to exit via the outlet orifice. An optical component mounted and retained in the sleeve as a result of cooperation of shape between it and the wall of said sleeve is also discussed.

The invention provides a system (1000) comprising (i) a luminescent body (200) and (ii) a two-phase cooling device (400), wherein the two-phase cooling device (400) has a device wall (410), wherein the device wall (410) defines an chamber (450), wherein the device wall (410) comprises a tapering section (405) comprising a contact region (406), wherein the tapering section (405) tapers to the contact region (406), wherein the luminescent 5 body (200) is thermally coupled to the contact region (406), and wherein the device wall (410) has a first thickness d1 at the contact region (406), wherein d1 is selected from the range of 0.15-0.35 mm.

The present disclosure provides an apparatus for generating fiber delivered laser-induced white light. The apparatus includes a package case enclosing a board member with an electrical connector through a cover member and a laser module configured to the board member inside the package case. The laser module comprises a support member, at least one laser diode device configured to emit a laser light of a first wavelength, a set of optics to guide the laser light towards an output port. Additionally, the apparatus includes a fiber assembly configured to receive the laser light from the output port for further delivering to a light head member disposed in a remote destination. A phosphor material disposed in the light head member receives the laser light exited from the fiber assembly to induce a phosphor emission of a second wavelength for producing a white light emission substantially reflected therefrom for various applications.

A non-lethal dazzling device includes a laser operable in the visible spectrum. The laser can be a relatively low-powered laser, such as a laser having a maximum output power of 2.5 mW, or it can be a higher-powered laser with a drive circuit that lowers the maximum output power to a safe level based on the range of the hostile target from the laser. In certain embodiments, the disclosed non-lethal dazzling device can be coupled to the bridge of a binocular device.

Provided is a light source device, including: a light-emitting chip arranged on a base plate and configured to emit first light; a light guide rod including first and second light guide portions, the first light guide portion including a light incident end surface, the first light entering the light guide rod through the light incident end surface and being transmitted to the second light guide portion after passing through the first light guide portion, and the second light guide portion including a light-outputting surface for outputting light; a first positioning member including a first groove for accommodating the light guide rod, being directly or indirectly fixed relative to the base plate; and a movable fixing assembly configured to fix, together with the groove of the first positioning member, the light guide rod along a radial direction of the light guide rod, and deforms when fixing the light guide rod.

An optical device includes a metal reflective layer substantially made of a metal material, a first light transmissive layer disposed on the metal reflective layer, an optical multilayer reflective film disposed on the first light transmissive layer and including a plurality of sublayers stacked on each other and having different refractive indexes, and a wavelength converting layer disposed on the optical multilayer reflective film and containing a fluorescent material capable of absorbing incident excitation light and generating fluorescent light having a lower energy. The wavelength converting layer is capable of generating mixed light containing the excitation light and the fluorescent light in response to irradiation with the excitation light.

An illumination apparatus (1) for producing structured light and flood illumination, the illumination apparatus comprising a microlens array (4) comprising microlenses which are arranged at a pitch P in at least a first direction, and a first array (18) of first light sources (9) and a second array (19) of second light sources (10), the first light sources (9) being configured to emit light at a wavelength L, wherein the first light sources (9) are located at a distance D from the microlens array (4), wherein P.sup.2=2LD/N and N is an integer, and wherein a size of the second light sources (10) is greater than a size of the first light sources (9), such that the light sources of the first array (18) produce structured light and the light sources of the second array (19) produce a continuous area of light.

A light source device includes first and second laser light sources, a wavelength conversion unit, a light condensing module, a light combining member, and light guiding members. The first laser light source is configured to emit a first light beam along a first axis. The second laser light source is arranged along the second axis with the first laser light source and configured to emit a second light beam along the first axis. The wavelength conversion unit is configured to convert the second light beam into a color light. The condensing module is configured to condense the color light. The light combining member is configured to receive the first light beam and the color light. The light guiding members are configured to guide at least one of the first light beam and the color light.

A vehicle light guide and a vehicle headlight which can improve long-distance visibility are provided. The vehicle light guide has a shape having an incident surface on which light from a light source is incident, a first reflective surface which internally reflects the light incident from the incident surface toward a front in a front-back direction in a vehicle-mounted state, a second reflective surface having a shape with an inclined portion inclined to a lower side in the front-back direction in the vehicle-mounted state across an edge side on the front in the front-back direction and internally reflecting the light reflected by the first reflective surface toward the front in the front-back direction, and an emission surface that emits the light internally reflected by the first reflective surface and the second reflective surface and emits a light distribution pattern to the front of the vehicle.

A light-emitting module includes: first and second light-emitting devices each including semiconductor laser elements that emit laser beams with an interval in a slow axis direction of the laser beams; a first optical unit that includes one or more first reflective members provided with reflective surfaces on which laser beams are incident and that makes the interval of the laser beams smaller and emits the laser beams; a second optical unit that includes second reflective members provided with reflective surfaces on which laser beams are incident and that reflects, two times or more, laser beams emitted with an interval in a fast axis direction and emits the laser beams with a smaller interval and with a smaller width in the fast axis direction of the laser beams; and a condenser lens that gathers laser beams having traveled through the first optical unit and the second optical unit.