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Matches 1 - 50 out of 82,115

Document Document Title
WO/2019/094822A1
An emitter package can include: a body having a bottom member, side members extending from the bottom member, and a top surface, wherein the body defines a cavity formed into the top surface and located between the bottom member and side...  
WO/2019/093565A1
An RGB laser module system for implementing a white beam, according to one embodiment of the present invention, comprises: a light source part having a first beam diode, a second beam diode, and a third beam diode sequentially arranged i...  
WO/2019/094505A1
A VCSEL may include a bottom DBR mirror and a top DBR mirror above the bottom DBR mirror. The VCSEL may include a vertical optical cavity located within a portion of the bottom and top DBR mirrors. The vertical optical cavity may be conf...  
WO/2019/090957A1
A nanosecond pulsed fiber laser device, comprising a first stage pulsed laser generator (1), a second stage pulsed laser generator (2), a third stage pulsed laser generator (3) and a continuous laser diode (4), the first stage pulsed las...  
WO/2019/087872A1
The purpose of the present invention is to provide an optical receptacle capable of demultiplexing an optical signal to be transmitted and a received optical signal without needing to place an optical functional member on an inclined sur...  
WO/2019/089983A1
The invention may be embodied in other forms than those specifically disclosed herein without departing from itMulti-kW-class blue (400-495 nm) fiber- delivered lasers and module configurations. In embodiments, the lasers propagate laser...  
WO/2019/087004A1
Embodiments of the disclosure are directed to a lateral current injection electro-optical device. The device comprises an active region with a stack of III – V semiconductor gain materials stacked along a stacking direction z. The acti...  
WO/2019/086401A1
The invention relates to a device (100) for generating a laser pulse comprising: a laser diode (110) with a first diode (104) and a second diode (106) such that the laser diode (110) has a first anode (107), a second anode (108) and a ca...  
WO/2019/086730A1
The invention relates to a method for physical random number generation, comprising the steps of: modulating the gain of a vertical-cavity surface-emitting laser periodically from the lower threshold to the upper threshold and back; main...  
WO/2019/087290A1
The objective of the invention is to provide a technique for achieving a high in-plane mounting density of laser light source elements, and allow the position of lenses corresponding to each laser light source element to be adjusted with...  
WO/2019/088045A1
This surface-emitting semiconductor laser includes: a semiconductor multi-layer structure that includes a first conductivity type layer, an active layer, and a second conductivity type layer, with light generated at the active layer reso...  
WO/2019/086833A1
A laser diode array (102) comprising a plurality of laser diodes (201-210) and a channel (212) proximate to each of the laser diodes (201-210), the channel (212) configured to receive and provide a passage for a flow of a fluid coolant; ...  
WO/2019/087524A1
This semiconductor laser drive circuit comprises an anode electrode divided into at least one gain region and at least one photo-absorption region, a cathode electrode common to the gain region and the photo-absorption region, and a resi...  
WO/2019/086619A1
The invention relates to a laser assembly (1) comprising a diode laser bar (2), a heat sink (4) and at least one cover (7). The laser bar is located between the heat sink and the cover. The heat sink and/or the cover is/are coated with n...  
WO/2019/085452A1
A semiconductor laser bar (10), a single semiconductor laser tube (20), and a preparation method therefor. The semiconductor laser bar (10) comprises: a first type substrate (100); an epitaxial layer (11) arranged on the first type subst...  
WO/2019/089091A1
A method (700) includes receiving a mode control signal (530) indicative of a current-mode or a voltage-mode. When the mode control signal is indicative of the voltage-mode, the method includes connecting a voltage-mode bias sub-circuit ...  
WO/2019/083746A1
A modulated light source comprises a laser diode and a drive circuit coupled operatively to the laser diode. The laser diode is configured to lase upon passing an above-threshold current for an accumulation period. The drive circuit is c...  
WO/2019/081293A1
The invention describes a device (1) and a method (100) for bio metric identification of an object with a significantly improved signal-to-noise ratio. The device comprises an optical image sensor element (11) at least sensitive to an in...  
WO/2019/083750A1
A system for dynamically adjusting a bias voltage for a laser diode (430) or a light emitting diode is provided. An output voltage of the laser diode is measured and a level of a supply voltage (V-) applied to the laser diode (430) is ad...  
WO/2019/084069A1
Low phase noise signal generated in a small structure is required for communication and high-resolution imaging. A DBR based multi-mode laser is combined with mode-locking method to build frequency stabilized and tunable RF signal genera...  
WO/2019/079894A1
Systems, devices, and methods for optical engines and laser projectors that are well-suited for use in wearable heads-up displays (WHUDs) are described. Generally, the optical engines integrate a plurality of laser diodes (e.g., 3 laser ...  
WO/2019/081653A1
The invention relates to a semiconductor laser array (1) with a plurality of semiconductor lasers (10) comprising a common substrate (20, 20n, 20p) which is the common anode (A) of the plurality of semiconductor lasers (10). Each semicon...  
WO/2019/082817A1
Provided is a light-emitting device with which it is possible to reduce absorption of light by an electrode. A light-emitting device having a base and a laminate provided to the base. The laminate has a first semiconductor layer, a secon...  
WO/2019/080925A1
The present invention relates to a continuous laser employing colloidal quantum dots and a manufacturing method thereof. The manufacturing method of the continuous laser employing colloidal quantum dots comprises: manufacturing, on a cor...  
WO/2019/013846A3
Vertical-cavity surface-emitting laser (VCSEL) structures are described which enable their use as widely wavelength-swept coherent light sources and multiple-wavelength VCSEL arrays. Three general configurations are described: (a) a semi...  
WO/2019/077997A1
Provided is a semiconductor light emitting element with which it is possible to form a useful beam pattern. The semiconductor laser element LD is provided with: an active layer 4; a pair of cladding layers 2, 7 which sandwich the active ...  
WO/2019/075631A1
A curved conical photonic crystal laser device, an array, and an array light source group. The curved conical photonic crystal laser device comprises a ridge waveguide part (3), a bent waveguide part (4) and a conical light amplification...  
WO/2019/077187A1
The invention relates to a controller (200) and method for controlling a diode stack (100) that can generate high-power pulses having low pulse duration, by means of an n-channel MOSFET transistor (400) connected to the diode stack (100)...  
WO/2019/078431A1
Disclosed is a high-power light source device having a compact structure in which laser beams emitted from a plurality of laser light sources are efficiently combined. The disclosed light source device includes: a first row of laser ligh...  
WO/2019/079532A1
In one embodiment, a laser system includes: a seed laser diode configured to produce a free-space seed-laser beam; a seed-laser lens configured to collimate the seed-laser beam; a pump laser diode configured to produce a free-space pump-...  
WO/2019/077210A1
The invention relates to a structure comprising, on a semiconductor substrate (5), a section (3) of a semiconductor layer or stack of semiconductor layers comprising germanium, and a layer of silicon nitride (7) which surrounds and appli...  
WO/2019/076890A1
The invention relates to a light-emitting component (100), having a housing (1) having a mounting surface (12) and a housing recess (13), wherein a semiconductor laser diode (2) is arranged in the housing recess, which is provided and de...  
WO/2019/073853A1
One aspect of the present disclosure provides an optical device. This optical device is provided with a supporting body and an optical element. The optical element is arranged on the supporting body and emits light. The supporting body c...  
WO/2019/072185A1
The present application provides a gain coupling distributed feedback semiconductor laser and a manufacturing method therefor; the manufacturing method periodically controls carrier concentration distribution on a P-plane, such as prepar...  
WO/2019/072759A1
In one embodiment of the invention the semiconductor laser (1) contains a support (2) and an edge-emitting laser diode (3) which is mounted on the support (2) and which comprises an active zone (33) for generating a laser radiation (L) a...  
WO/2019/072761A1
In one embodiment, the optoelectronic semiconductor component (1) comprises a semiconductor chip (2) for generating radiation and an inorganic housing (3). The semiconductor chip (2) is accommodated in the housing (3) in a hermetically s...  
WO/2019/073983A1
A windshield (passenger vehicle window glass) 10 emits visible light as a result of the incidence thereon of excited light emitted from a light source, wherein the end sections 10E of the passenger vehicle window glass emit light as a re...  
WO/2019/071332A1
A method for controlling a smart LED grow lamp device, comprising: using a processor, selecting a light recipe from an online light recipe store server via a user interface of a wireless device communicatively coupled to the online light...  
WO/2019/069359A1
A semiconductor optical integrated element relating to the present invention is provided with: a conductive substrate; a laser element that is provided on the conductive substrate; a semi-insulating semiconductor layer that is provided o...  
WO/2019/068554A1
A waveguide heterostructure (0) for a semiconductor laser with an active part (I), comprising an active region layer (3) depending of the type of semiconductor used, surrounded in direction of a growth axis (G) by at least an active part...  
WO/2019/070916A1
A circuit and method provide a headroom voltage for a laser driver driving a laser diode such that the laser diode provides signals to an optical communications device. The circuit includes a headroom control circuit receiving the headro...  
WO/2019/069699A1
Provided are a light-emitting element and a fluorescent light source device that make it possible to achieve high luminance with a limited light-emitting surface area. This light-emitting element comprises: a first substrate; a reflectin...  
WO/2019/069937A1
A light source device of the present disclosure is provided with: a sapphire plate including a first surface and a second surface opposing each other; a wavelength converting material positioned opposite the first surface of the sapphire...  
WO/2019/069871A1
A wavelength conversion member (20) comprising: a wavelength conversion section (21) that converts the wavelength of primary light of a prescribed wavelength to emit secondary light; and light reflection sections (22) that are disposed a...  
WO/2019/070719A1
A Vertical Cavity Surface Emitting Laser (VCSEL) including a light emitting III-nitride active region including quantum wells (QWs), wherein each of the quantum wells have a thickness of more than 8 nm, a cavity length of at least 7λ or...  
WO/2019/068334A1
The present invention provides a wavelength monitoring and/or controlling device, preferably a wavelength locker, for monitoring and/or controlling the wavelength respectively frequency of an original laser beam received from a tunable l...  
WO/2019/069775A1
An optical module, provided with: a light emission unit configured to generate light; a mirror mechanism configured to reflect light generated by the light emission unit; and a scanning unit configured to scan light reflected by the mirr...  
WO/2019/061371A1
A packaging structure for a laser device and a light guide structure (230) thereof. The packaging structure for a laser device comprises a substrate (210), a laser element (220), a light guide structure, and a wavelength conversion layer...  
WO/2019/067455A1
A laser chip including a plurality of stripes is disclosed, where a laser stripe can be grown with an initial optical gain profile, and its optical gain profile can be shifted by using an intermixing process. In this manner, multiple las...  
WO/2019/065175A1
The present invention provides an optical wavelength converter and a composite optical device that have excellent heat dissipation characteristics and optical wavelength conversion characteristics. An optical wavelength converter 1 has a...  

Matches 1 - 50 out of 82,115