H01S5/0071

Laser light source and a laser crystallization apparatus including the same

A laser light source is provided including an airtight container. A first resonance mirror and a second resonance mirror are disposed outside the airtight container. The first resonance mirror includes a lens unit and a reflection coating layer. The lens unit includes a first surface and a second surface, and the first surface is inclined with respect to the second surface.

OPTOELECTRONIC COMPONENT COMPRISING, ON A SINGLE SUBSTRATE, AN OPTICAL TRANSDUCER MADE OF A SEMI-CONDUCTOR MATERIAL III-V AND AN OPTICALLY SCANNING MICROELECTROMECHANICAL SYSTEM

An optoelectronic component includes an optical transducer made of III-V semiconductor material and an optical scanning microelectromechanical system comprising a mirror. The optical transducer and the optical scanning microelectromechanical system are produced on a common wafer comprising at least a first layer made of silicon or silicon nitride with a thickness of less than one micron and wherein at least the mirror and its holding springs are produced. In a first variant, the mobile parts of the optical scanning microelectromechanical system are produced in various layers of silicon. In a second variant, the mobile parts of the optical scanning microelectromechanical system are produced in the layer of III-V semiconductor material.

LIGHT SOURCE DEVICE, HEADLIGHT, DISPLAY APPARATUS, AND ILLUMINATION APPARATUS

[Object] To provide a light source device, a headlight, a display apparatus, and an illumination apparatus having excellent heat dissipation. [Solving Means] The light source device includes a substrate, a phosphor, a light emitting element, and a wavelength-selective reflecting member. The phosphor is disposed in contact with the substrate. The light emitting element emits excitation light for exciting the phosphor. The wavelength-selective reflecting member partially reflects the excitation light emitted from the light emitting element to be guided to the phosphor and transmits fluorescence emitted from the phosphor by excitation caused by incidence of the excitation light and the excitation light reflected by the phosphor.

SINGLE EMITTER STACKING FOR WAVELENGTH-BEAM-COMBINING LASER SYSTEMS

In various embodiments, multiple laser emitters are arranged in one or more linear stacks and emit beams to one or more linear stacks of interleaving mirrors. The interleaving mirrors direct the beams to a shared exit point, thereby forming an output beam stack. The optical distances traversed by each beam from its emitter to the shared exit point are all equal to each other.

OPTICAL MEMBER AND LIGHT EMITTING DEVICE
20230216268 · 2023-07-06 · ·

An optical member includes: a conversion member including a fluorescent material; a light reflecting ceramic holding the conversion member, the conversion member and the light reflecting ceramic having a continuous surface; a light-transmissive film on the continuous surface; and a wiring on the light-transmissive film.

Light emitting device including base and base cap
11695255 · 2023-07-04 · ·

A light emitting device includes: a base comprising a first wiring, a second wiring, and a third wiring; a first semiconductor laser element electrically connected to the first wiring and the second wiring, at an upper surface side of the base; a second semiconductor laser element electrically connected to the second wiring and the third wiring, at the upper surface side of the base; and a base cap fixed to the base such that the first semiconductor laser element and the second semiconductor laser element are enclosed in a space defined by the base and the base cap. The first semiconductor laser element and the second semiconductor laser element are connected in series. A portion of each of the first, second, and third wirings is exposed at the upper surface of the base at locations outside of the space defined by the base and the base cap.

LASER EMITTER, DEPTH CAMERA AND ELECTRONIC DEVICE
20220412726 · 2022-12-29 ·

A laser emitter includes an emitting assembly and a laser deflection assembly, wherein the emitting assembly that has a beam outlet, and the beam outlet is configured to emit a laser beam, the laser deflection assembly that is at the beam outlet and is movable relative to the beam outlet, the laser deflection assembly is configured to change an angle of deviation of the laser beam emitted from the beam outlet when the laser deflection assembly is translated relative to the beam outlet, and an included angle is between a translation direction of the laser deflection assembly and a center line of the laser beam emitted from the beam outlet.

HIGH-BRIGHTNESS SPATIAL BEAM COMBINING OF LASER MODULES YIELDING A COMMON IMAGE PLANE

A system includes multiple laser diode modules that are spatially separated and configured to generate multiple optical beams that propagate at angles relative to each other. The system also includes an optical element having at least one entrance surface and at least one exit surface. The optical element is configured to receive the optical beams at the at least one entrance surface and output each optical beam through the at least one exit surface such that the output optical beams are closely spaced, substantially the same size, and substantially parallel to each other at a common distance downstream from the optical element, and the optical beams all share a common downstream image plane.

SEMICONDUCTOR-FIBER-LASER ASSEMBLY AND FIBER LASER
20220399699 · 2022-12-15 ·

A semiconductor-fiber-laser assembly is provided that includes a pumping module, an active optical fiber and an assembling board. The active optical fiber is provided on an upper surface of the assembling board, the pumping module is provided on a surface of the assembling board that is the same as or opposite to the upper surface; and input-side and output-side optical-fiber gratings are provided at two ends of the active optical fiber, to form a laser resonator between the input-side and output-side optical-fiber gratings. The pumping module includes a plurality of semiconductor-laser single emitters, a collimating-lens group and a mirror group that are sequentially arranged, and light beams from the semiconductor-laser single emitters pass through the mirror group to realize beam combination.

IMPROVED HEAT MANAGEMENT AND DEFICIENCY FOR HIGH INTENSITY LASER PUMPED LIGHT SOURCE

The invention provides a luminescent element (1000) comprising a solid luminescent body (100), wherein the solid luminescent body (100) comprises a luminescent material (200), wherein the luminescent material (200) is configured to generate luminescent material light (201) upon excitation with light having a wavelength where the luminescent material (200) is excitable, wherein the solid luminescent body (100) comprises luminescent body faces (120), wherein the luminescent element (1000) further comprises one or more reflective elements (300) associated to at least one luminescent body face (120), wherein the one or more reflective elements (300) are metallic, and wherein a surface coverage of the at least one luminescent body face (120) with the one or more reflective elements (300) is selected from the range of 5-40%.