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Matches 201 - 250 out of 57,840

Document Document Title
WO/2021/016004A1
A wavelength sensor for wavelength stabilization of a laser beam includes an etalon placed in the laser beam and tilted with respect to the laser beam. Reflected beams from the etalon form an interference pattern on a segmented photodete...  
WO/2021/011031A1
A fiber optic assembly includes: a gain fiber configured to output signal light; a first taper corresponding to the gain fiber, wherein the first taper is configured to expand the signal light output by the gain fiber; and a reflector co...  
WO/2021/007896A1
The present invention provides a dual-wavelength pumped erbium-doped fluoride fiber laser and a laser light generating method. The fiber laser comprises a first pump laser, a second pump laser, a beam combiner, a first fiber Bragg gratin...  
WO/2021/010894A1
According to embodiments of the present invention, a laser source is provided. The laser source includes a photonic crystal structure including a first domain having a plurality of first holes defined therein, the first domain being asso...  
WO/2021/008929A1
Provided are light sources and methods of controlling them, and devices and methods for use in measurement applications, particularly in metrology, for example in a lithographic apparatus. The methods and devices provide mechanisms for d...  
WO/2021/010089A1
Provided are a Q switch resonator that realizes efficient pulse extraction, and a pulse generator in which the Q switch resonator is used. The Q switch resonator has: an optical resonator that is formed by at least two mirrors, the optic...  
WO/2021/011735A1
A laser-assisted ridge preservation method is performed using a free-running (FR) pulsed neodymium yttrium aluminum garnet (Nd: YAG) laser device. The method includes one or more of photothermally denaturing and vaporizing encapsulated g...  
WO/2021/010488A1
Provided are a semiconductor laser module, a light source unit, and a direct diode laser which are highly reliable and can be miniaturized. A semiconductor laser module 10 of the present invention comprises: a semiconductor laser element...  
WO/2021/010128A1
A laser device 1A is provided with a light source unit 10A and an optical multiplexing unit 21. The light source unit 10A outputs first laser light L1 and second laser light L2 having a wavelength different from that of the first laser l...  
WO/2021/009323A1
The invention relates to a system for generating a high-energy, ultra-short light pulse, comprising a generator (1) adapted to generate at least one temporally stretched short pulse source (11), a non-linear amplification and non-linear ...  
WO/2021/004078A1
The present invention relates to a praseodymium-doped gadolinium scandate visible waveband laser crystal and a preparation method therefor. The formula of said crystal is PrxGd1-xScO3, in which the value x is in the range of 0.005-0.015,...  
WO/2021/007460A1
Disclosed herein is an all-fiber, easy to use, wavelength tunable, ultrafast laser based on soliton self-frequency-shifting in an Er-doped polarization-maintaining very large mode area (PM VLMA) fiber. The ultrafast laser system may incl...  
WO/2021/004349A1
A structured light ranging chip module and an electronic equipment.The structured light ranging chip module comprises: a light source controller, a depth measurement unit, a depth image generation unit, a processor module, and a data int...  
WO/2021/006454A1
The present invention provides a display system comprising: a display device; a wireless power receiving module for supplying power to the display device; and a wireless power transmitting module for emitting laser light toward the wirel...  
WO/2021/003804A1
A flexible and expandable submarine cable amplifier structure, comprising submarine cables (1), buffers (2), amplifier unit general structure modules (3), and universal joints (4). Multiple amplifier unit general structure modules (3) an...  
WO/2021/007461A1
Disclosed is a pulsed laser apparatus and method of generating a laser pulse. The apparatus includes an input coupler configured to receive pumping light from a pumping light source and a seed pulse from a seed pulse generator. The appar...  
WO/2021/004661A1
Transformation device (1) for laser radiation (7), comprising a first array (2) of cylindrical lenses (3) arranged side by side in a first direction (x) and a second array (4) of cylindrical lenses (5) arranged side by side in the first ...  
WO/2021/007398A1
A CPA ultrashort pulse laser system is configured with a beam splitter dividing each ultrashort pulse from a seed laser into at least two replicas which propagate along respective replica paths. Each replica path includes an upstream dis...  
WO/2021/004717A1
A measurement system for use with a light amplification cavity comprises: an input optical element; an imaging system; and a detector. The input optical element is for receiving an input radiation beam and directing: a first portion of t...  
WO/2021/006236A1
Provided is a laser device that, by using an optical material as a phase conjugate mirror, does not require complex and high-accuracy control/adjustment and that can perform stable laser beam output. This laser device (20) comprises: a l...  
WO/2021/002068A1
The purpose of the present invention is to reduce the potential influence of an optical fiber fuse on a front-stage optical fiber when the optical fiber fuse has occurred in a rear-stage optical fiber of an optical device comprising the ...  
WO/2021/001591A1
The invention relates to a system (1) and method for generating ultra-short pulses intended to be inserted into a ring laser (10) with a regulator (7) of a pulsed signal of a certain intensity, the system (1) comprising an optical attenu...  
WO/2021/000008A1
The present disclosure provides an optical system (100) for controlling atoms. The optical system (100) comprises a laser source (10) for generating a laser beam at a carrier frequency and microwave and radio frequency (MW/RF) sources (4...  
WO/2021/001951A1
A laser chamber of a discharge excitation gas laser device comprises: a container that accommodates laser gas therein; a pair of discharge electrodes arranged inside the container; a crossflow fan that supplies the laser gas to a dischar...  
WO/2021/003359A1
This application describes a laser driver that can include a voltage source, an inductor, at least one capacitor, a diode laser, and an electronic switch. The switch may be connected to ground and may be configured to alternate between a...  
WO/2021/001185A1
In a pulse compressor (1) having a plurality of optical components (2-4), at least one of which is a diffraction grating (3), according to the invention at least one of the optical components (2-4) is fastened to the base plate (6) by me...  
WO/2021/002807A1
The method far limiting the deflection of the laser head during temperature changes is solved in such a way that the temperature difference between the warmest upper wall and the coldest lower wall of the laser head is reduced by metal p...  
WO/2020/259972A1
Disclosed is a broadband light source device, being configured for generating broadband or white light output. The broadband light source device comprises a gas cell, and a hollow-core photonic crystal fiber at least partially enclosed w...  
WO/2020/259644A1
A large-mode-area triple-clad passive fiber, a mode stripper, a laser output head and a fiber laser. The large-mode-area triple-clad passive fiber comprises a fiber core (27), an inner clad layer (28) covered outside the fiber core (27),...  
WO/2020/259643A1
A triple-clad fiber, a pump combiner (2, 7), a fiber grating (3, 5), and a fiber laser. A triple-clad passive fiber comprises a core (13), an inner cladding (14) covering the outer surface of the core (13), an outer cladding (15) coverin...  
WO/2020/259642A1
A triple-clad active optical fibre, an optical amplification structure, and an optical fibre laser. The triple-clad active optical fibre comprises a fibre core (20), an inner cladding layer (21) covering the outside of the fibre core (20...  
WO/2020/261803A1
This photoelectric sensor comprises: a mounting stand (33a) for mounting a workpiece (W1); a projection means (4) having a laser diode (41) and a converging lens (45); and a photodiode (52) for receiving, at a position in the same plane ...  
WO/2020/264126A1
An optical fiber system, such as a reversed pumped fiber laser, including a pair of fiber pump combiners. A cladding light stripper that reduces an amount of the pump light coupled between the active fiber segments may join two active fi...  
WO/2020/255880A1
A method for manufacturing an optical element in which a laser beam is transmitted, reciprocated, or reflected. The method is provided with: a first step of obtaining a bonded element formed by subjecting first and second element parts, ...  
WO/2020/256885A1
An apparatus includes: a beam splitter on a beam path, the beam splitter configured to receive light from a deep ultraviolet (DUV) light source; and a first plurality of reflective optical elements on the beam path. The beam splitter is ...  
WO/2020/253910A1
The invention relates to a laser system for generating laser radiation with a variable power distribution over time, comprising a first pulse generator (1) and a second pulse generator (2), the pulses (P1, P2) of which have different pul...  
WO/2020/248929A1
Provided in the embodiments of the present application is a closed-loop control high-power single-fiber output continuous all-fiber laser system, comprising: an oscillator-stage module and an amplifier-stage module connected to the oscil...  
WO/2020/217033A3
The invention relates to a cooling system (100) of a laser amplifier medium (30), comprising a circuit arranged in a closed loop and configured to, in use, receive a circulating heat transfer liquid (20). The circuit comprises in particu...  
WO/2020/248931A1
Provided by embodiments of the present application is a myriawatt-level ultra-high power full fiber continuous fiber laser system, comprising: a general electrical control module, at least two laser modules respectively connected to the ...  
WO/2020/171865A3
A fiber amplifier system including a plurality of seed beam sources each generating a seed beam at a different wavelength and a plurality of fiber amplifiers that amplify the seed beams. The system also includes a spectral beam combining...  
WO/2020/250268A1
The present invention is provided with a first clad layer (101), a waveguide-type laser (102), an absorption layer (103), and a second clad layer (104). The absorption layer (103) is configured by an oversaturation absorbent body such as...  
WO/2020/251054A1
Provided is a wavelength conversion member which can easily convert the wavelength of laser light outputted from a laser irradiation device to a different wavelength and amplify the laser light, even if the laser irradiation device produ...  
WO/2020/248987A1
Provided are a photoelectric functional crystal M3RE(PO4)3, a preparation method therefor, and an application thereof. The crystal has a non-centrosymmetric structure and belongs to the cubic system -43m point group, M is an alkaline ear...  
WO/2020/250298A1
In a laser system according to an aspect of the present disclosure, a beam shaping unit, a random phase plate, and collimating optics are arranged on an optical path between a solid-state laser apparatus and an excimer amplifier. A propa...  
WO/2020/217032A3
The invention relates to a cooling system (100) of a laser amplifier medium (30), comprising a circuit arranged in a closed loop and configured to, in use, receive a circulating heat transfer liquid (20). The circuit comprises a tank (16...  
WO/2020/248576A1
Provided in the present application are a laser drive circuit, a laser display device, and a laser drive method. The circuit comprises: a first input end of the laser drive circuit is used for receiving an analogue dimming signal used fo...  
WO/2020/252480A1
In an example, the disclosed technology includes a laser source, comprising a plurality of pump elements configured to generate laser light, a controller coupled to the plurality of pump elements, configured to select individual drive cu...  
WO/2020/247036A1
An apparatus includes a base (204) that includes a raised surface (230) and a first opening (210) through the raised surface. The apparatus also includes a cover (202) configured to be coupled to the base in order to form a cavity (304),...  
WO/2020/245244A1
The invention relates to an optical waveguide comprising two or more light-guiding cores (1a-1e) which extend continuously from one end of the optical waveguide to the other along the longitudinal extent of said optical waveguide in a ma...  
WO/2020/247673A1
A laser assembly comprising a multi-clad fiber optically coupled to a light source configured to emit optical radiation at a first wavelength and a protective element disposed between the light source and the multi-clad fiber so as to pr...  

Matches 201 - 250 out of 57,840