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Matches 1 - 50 out of 82,540

Document Document Title
WO/2019/157092A1
Apparatus include a first laser diode situated to emit a beam from an exit facet along an optical axis, the beam as emitted having perpendicular fast and slow axes perpendicular to the optical axis, a first fast axis collimator (FAC) opt...  
WO/2019/154465A1
The invention relates to a component arrangement, comprising a carrier substrate (1); a spacer (3) which is arranged on the carrier substrate surrounding an installation space (1a) and has an outlet opening on a side facing away from the...  
WO/2019/155505A1
The present invention provides a stem with a built-in thermoelectric cooler, the stem comprising: a first stem member (1, 1a) having a temperature-controlled body, such as an optical module, mounted on a surface thereof; a second stem me...  
WO/2019/157302A1
Disclosed herein is an integrated chemical-free laser ignition technology in an easy to use smoking device. In certain cases, the integrated chemical-free laser ignition technology allows for absence of additional chemicals, e.g. butane ...  
WO/2019/155602A1
The invention is characterized by comprising a stem having a first surface and a second surface on the side facing away from the first surface, a thermoelectric cooler having a heat dissipation board fixed on the first surface, a semicon...  
WO/2019/156226A1
A waveguide-type variable wavelength laser formed on a semiconductor substrate, wherein the variable wavelength laser comprises: a first reflection part, at which a laser beam is outputted; a second reflection part constituting a laser o...  
WO/2019/153115A1
Disclosed is a vertical cavity surface emitting laser (VCSEL). The VCSEL comprises multiple pairs of P-type doped distributed Bragg reflector (DBR) layers; the VCSEL comprises a first oxide layer, a second oxide layer, and a third oxide ...  
WO/2019/156159A1
Provided is a wavelength conversion member in which a phosphor is used, the wavelength conversion member having exceptional temperature characteristics and heat dissipation properties, and having light distribution characteristics approx...  
WO/2019/155668A1
A semiconductor laser device (10) is provided with: a semiconductor laser element (100) which outputs a laser beam; a fast-axis correction lens (2) which is disposed on the light path of the laser beam to correct the divergence angle in ...  
WO/2019/156189A1
This optical integrated element is provided with: a substrate; a first waveguide region which is obtained by sequentially stacking, on the substrate, a lower cladding layer, a first core layer that has a higher refractive index than the ...  
WO/2019/149993A1
A passive optical network (100) having an optical-signal monitor (180) configured to monitor carrier- wavelength drifts during optical bursts transmitted between the optical line terminal (110) and optical network units (1601 - 160N) the...  
WO/2019/149815A1
Methods for wavelength determination of widely tunable lasers and systems thereof may be implemented with solid-state laser based photonic systems based on photonic integrated circuit technology as well as discrete table top systems such...  
WO/2019/149928A1
The invention relates to a device for irradiating objects (12), in particular for a photochemical change of object surfaces, comprising a laser device (16) for generating radiation and an optical waveguide arrangement (18) which is forme...  
WO/2019/152462A1
Method and apparatuses are described herein for providing laser safety in semiconductor laser modules. For example, a semiconductor laser module may comprise a semiconductor laser and an optical element. The optical element that is opera...  
WO/2019/148673A1
Disclosed is a tunable semiconductor laser based on half-wave coupled part reflectors. The tunable semiconductor laser comprises two resonant cavities, wherein one of the resonant cavities is mainly composed of an optical waveguide, a fi...  
WO/2019/152532A1
Embodiments relate to an integrated process for forming an elastomeric layer over an epitaxial structure of multiple light emitting diode (LED) dies, and then etching the elastomeric layer into individual elastomeric interface layers (el...  
WO/2019/151044A1
This optical semiconductor element comprises: a semiconductor substrate formed of GaAs; a semiconductor layer provided on the front surface of the semiconductor substrate; a first electrode layer provided on the front surface of the semi...  
WO/2019/126573A3
A wireless communication device includes a quantum cascade laser (QCL) configured to generate a terahertz (THz) or microwave carrier signal. The QCL includes a laser waveguide, a laser optical gain medium incorporated in the laser wavegu...  
WO/2019/149352A1
A laser line illumination system (1, 1') provides a laser line (L) in a working plane (WP) for line illumination of an object (7). The laser line (L) extends in a first direction (X). The laser system (1) comprises a light source unit fo...  
WO/2019/145786A1
A structured light projector includes a laser array, beam control optics, a mask, and projection optics. The laser array includes individual light emitters that are configured to emit light beams. The beam control optics is configured to...  
WO/2018/208274A8
This invention is a method of producing a surface emitting semiconductor light source, wherein the lateral dimensions can be determined by a lithographic process using epitaxially buried structures, providing electrical and optical confi...  
WO/2019/146478A1
A semiconductor laser according to one embodiment of the present disclosure is provided with a semiconductor multilayer part. The semiconductor multilayer part sequentially comprises a first cladding layer, an active layer, one or more l...  
WO/2019/145728A1
A method for etching a semiconductor structure (110) is provided, the semiconductor structure comprising a sub-surface quantum structure (30) of a first III-V semiconductor material,beneath a surface layer (31) of a second III-V semicond...  
WO/2019/145172A1
The invention relates to a laser module (LM) comprising a housing and, in the housing, a coolable laser source (LQ) for generating a laser beam and a gas cell (GZ) filled with gas for stabilizing a line width and/or a wavelength of the l...  
WO/2019/145359A1
The invention relates to a surface-emitting semiconductor laser chip (1) having a substrate (20), a layer stack (10) arranged on the substrate (20) with a layer plane (L) running perpendicular to the stack direction (R), a front face con...  
WO/2019/145394A1
The invention describes a laser arrangement (100) comprising a laser array (110) and an optical device (140) for providing a defined illumination pattern in a defined field-of-view. The optical device (140) comprises a multitude of local...  
WO/2019/146321A1
This semiconductor laser element (1) is provided with: a first conductivity-type first semiconductor layer (20); an active layer (32) disposed over the first semiconductor layer (20); and a second conductivity-type second semiconductor l...  
WO/2019/143945A1
Embodiments described herein provide a layered structure that comprises a substrate that includes a first porous multilayer of a first porosity, an active quantum well capping layer epitaxially grown over the first porous multilayer, and...  
WO/2019/141545A1
The invention describes a Vertical Cavity Surface Emitting Laser (VCSEL) device, an optical sensor comprising the VCSEL device and a method of manufacturing such a VCSEL device. The VCSEL device comprises a first electrical contact (105)...  
WO/2019/143942A1
Systems and methods describe growing RE-based integrated photonic and electronic layered structures on a single substrate. The layered structure comprises a substrate, an epi-twist rare earth oxide layer over a first region of the substr...  
WO/2019/141733A1
The invention relates to a method for producing a housing cover (200) for a laser component (100). Said method comprises the steps of: - providing an at least partially radiation-permeable window (201) with aluminum oxide, - providing a ...  
WO/2019/143136A1
Embodiments of the present invention provide a device and method for implementing a laser light source having a narrow linewidth by using phase noise compensation, wherein: a laser light source having high operational stability and a nar...  
WO/2019/138755A1
[Problem] To provide an optical receptacle which can realize high speed and large capacity while saving space. [Solution] An optical receptacle is disposed between a photoelectric conversion device and an optical transmission body and is...  
WO/2019/138635A1
This semiconductor laser is provided with a semiconductor layer which includes both end surfaces and in which at least one of both the end surfaces is configured as a light-emitting end surface. The semiconductor layer has a waveguide an...  
WO/2019/138909A1
This semiconductor laser device is provided with: a semiconductor laser element; a base material that supports the semiconductor laser element; and a wiring part that is formed in the base material and that constitutes a conduction path ...  
WO/2019/139837A1
Methods and systems for x-ray based semiconductor metrology utilizing a broadband, soft X-ray illumination source are described herein. A laser produced plasma (LPP) light source generates high brightness, broadband, soft x-ray illuminat...  
WO/2019/137816A1
The invention relates to a method for separating semiconductor components (20), comprising the steps of providing a substrate (21), applying at least two semiconductor chips (22) to the substrate (21), etching at least one fracture nucle...  
WO/2019/135915A1
External cavity laser systems are described that can operate with essentially no mode hopping. One example configuration of the laser system includes a semiconductor laser device, a folded cavity external to the semiconductor laser devic...  
WO/2019/135379A1
Provided is a semiconductor laser module that can achieve size reduction. This semiconductor laser module 1 comprises an optical fiber 44 and semiconductor laser elements 30A to 30E. Each of the semiconductor laser elements 30A to 30E co...  
WO/2019/135493A1
The present invention relates to a lidar device, and a lidar device according to one aspect of the present invention comprises: a lower base; an upper base; a laser output unit for emitting a laser in the form of a point light source; a ...  
WO/2019/135226A1
A system for transmitting wireless power from multiple sources to multiple receivers, in which the safety of the system is maintained in spite of the possibility that two beams may intersect in the transmission space, thereby generating ...  
WO/2019/134075A1
A vertical cavity surface emitting laser device includes a substrate, a first-type doped distributed Bragg reflector (DBR) disposed on the substrate, a first electrode disposed on the substrate, an active layer disposed on the first-type...  
WO/2019/134922A1
The invention describes a laser arrangement (100) comprising a Laser array (110) and an optical structure (140) for providing a defined illumination pattern in a defined field-of-view, wherein the optical structure (140) comprises a diff...  
WO/2019/129917A1
The invention concerns an apparatus and its use for laser welding. A laser welding apparatus comprises at least one first laser device (30), each providing at least one first optical feed fiber (32) with a first laser beam; at least one ...  
WO/2019/133655A1
Structured light projection system include narrow beam divergence semiconductor sources. The structured light projector system includes an array of narrow beam divergence semiconductor sources, and a projection lens operable to generate ...  
WO/2019/128341A1
A laser chip, a light-emitting component, a light module and a network device. The laser chip comprises: a laser (10) and a monitoring photodiode (20), wherein the laser and the monitoring photodiode are a monolithically integrated integ...  
WO/2019/131439A1
Provided is an optical member (1A) comprising: a conversion member (2) that has a first face that becomes a light extraction surface (2a) and that can convert laser light that is excitation light into light of different wavelengths; a ho...  
WO/2019/130655A1
A nitride semiconductor laser element (100) is provided with a first cladding layer (102), first light guide layer (120), active layer (130), second light guide layer (140), and second cladding layer (105). The active layer (130) has a s...  
WO/2019/132077A1
The present invention relates to an optical element package having excellent thermal characteristics and, more specifically, provides an optical element package, the thermal characteristics of which are excellent because the package secu...  
WO/2019/128078A1
A solid-state light source driving device and a projection apparatus. The solid-state light source driving device comprises: a drive module (10), a light beam emitting module (20), and an overcurrent protection module (30). The drive mod...  

Matches 1 - 50 out of 82,540