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Patent Searching and Data


Matches 351 - 400 out of 57,840

Document Document Title
WO/2020/172118A1
A vertical external cavity surface emitting laser (VECSEL) based system in a linear single cavity configuration is configured to deliver light in higher-order Hermite-Gaussian transverse modes with Watt- level output power. Simultaneous ...  
WO/2020/169941A1
The invention relates to devices and methods of characterising a single unknown pulse signal. They create multiple replica of the original that may be more reliably measured, by dividing the signal through nodes and using different signa...  
WO/2020/171152A1
This optical device is provided with: a core; a first clad covering the core and having a refractive index lower than that of the core; a second clad covering the first clad and having a refractive index lower than that of the first clad...  
WO/2020/170558A1
Provided is an optical component comprising: a first fiber having a first reflector; a second fiber having a second reflector; and an optical fiber for amplification having a first end connected to the first fiber and a second end connec...  
WO/2020/171059A1
This optical fiber cable is provided with an optical fiber for propagating laser light outputted from a light source, a cable covering having an inner tube and an outer tube for covering the inner tube, a pair of opening detection lines ...  
WO/2020/171946A1
A system includes a multi-channel beam splitter arranged and configured to split an input optical signal into a plurality of split optical signals; a plurality of phase modulators, wherein each phase modulator of the plurality of phase m...  
WO/2020/171103A1
The present invention provides an optical amplifier and a control method therefor, with which it is possible to stably control an optical amplifier that uses a multicore optical fiber. The optical amplifier uses, in a gain medium, a mult...  
WO/2020/166139A1
The present invention provides a Cr:YAG sintered body characterized by containing Al, Y, Cr, Ca, Mg, Si, and O and in that the component amounts in the sintered body satisfy conditional expressions 1) to 3). In the conditional expression...  
WO/2020/167968A1
Optical frequency combs and related methods, devices, and systems are described. An example device can comprise a waveguide configured to optically couple to an optical source and at least one optical resonator optically coupled to the w...  
WO/2020/166420A1
[Problem] To provide a laser processing machine that can be made compact, a processing method, and a laser light source. [Solution] This laser processing machine is provided with a laser light source, and an optical system. The laser lig...  
WO/2020/164251A1
A sealing structure of a laser, comprising a shell (21), a first sealing plate (22), and a second sealing plate (24). A mounting cavity (210) having an opening is formed in the shell (21); an annular surface (211) is provided in the moun...  
WO/2020/161433A1
The invention relates to a pulse laser system comprising an injection system (10), an optical amplifier system (20) and a beam combiner (71), the pulse laser system being designed to generate, on the one hand, an amplified pulse (301) of...  
WO/2020/161865A1
The machine learning method according to one aspect of the present disclosure involves creating a learning model for predicting the service life of a consumable article of a laser device, the machine learning method including: acquiring ...  
WO/2020/162057A1
The purpose of the prevent invention is to increase, in a structure formed by joining an optical fiber and a glass block together, the strength of the joint while reducing the influence of reflected light on a coating or the like on the ...  
WO/2020/162327A1
The present invention is provided with a core having erbium ions added thereto, and a cladding that encloses the core and has a refractive index lower than the refractive index of the core, wherein a specific refractive index difference ...  
WO/2020/162960A1
Free-space optical (FSO) wireless transmission, including optical communications, remote-sensing, power beaming, etc., can be enhanced by replacing conventional laser sources that operate in the infrared portion of the optical spectrum w...  
WO/2020/155250A1
The present application provides a single-frequency laser light source, comprising a pumping unit and a resonant cavity. The resonant cavity comprises a first reflection filtering unit, a second reflection filtering unit, and a gain medi...  
WO/2020/160116A1
A multi-stage optical parametric (OP) module is configured with upstream, multiple intermediate and output optical parametric amplification (OP A) stages arranged along a single light path and interacting with pump, signal and IR light b...  
WO/2020/155248A1
The present application provides a narrow-linewidth single-frequency light source, comprising a pumping unit; a resonant cavity, the resonant cavity comprising a gain optical fiber used for obtaining excitation light by means of excitati...  
WO/2020/159017A1
The present invention relates to a medical multi-laser amplification output device comprising: an optical resonance unit including a plurality of laser cavities, and an optical system for forming a single output laser beam by guiding, in...  
WO/2020/155696A1
A multi-wavelength single-frequency Q-switched optical fiber laser. Said laser comprises: a saturable absorber (1), a high-gain optical fiber (3), a polarization-maintaining multi-wavelength narrowband optical fiber grating (4), a resona...  
WO/2020/156730A1
The invention relates to a device (18) for combining at least two input laser beams (16; 16-1,...,16-n) having different spectral components, comprising: - at least one pre-compensation unit (20) for the at least two input laser beams (1...  
WO/2020/155573A1
A high peak power low frequency passive mode-locked ultrafast laser, comprising an end mirror (1), a laser gain medium (2), an optical fiber unit (3), a mode locker (4), and an output coupler (5) that are arranged in sequence. Mode field...  
WO/2020/158144A1
Provided is a laser marker where positioning of a laser oscillation unit is carried out with high precision relative to a scanning unit into which an expander of the laser oscillation unit is inserted. A laser marker 1 comprises; a laser...  
WO/2020/160540A1
There are provided high power, high brightness solid-state laser systems that maintain initial beam properties, including power levels, and do not have degradation of performance or beam quality, for at least 10,000 hours of operation. T...  
WO/2020/160415A1
A laser system and method. In one example, the laser system includes an optical pulse stretcher configured to stretch pulse durations of an input train of input pulses to produce a train of stretched laser pulses, a pulse replicator modu...  
WO/2020/155249A1
A dual-frequency light source, comprising a pump unit (10), a first resonant cavity, and a second resonant cavity, the first resonant cavity comprising a gain medium (20), a common reflection filter unit (30), and a first reflection filt...  
WO/2020/159820A1
In various embodiments, alignment systems for laser resonators generate near- field and/or far-field images of input beams produced by the laser resonators to enable the alignment of the input beams.  
WO/2020/160422A1
The present application discloses a cavity dumped low repetition rate infrared tunable femtosecond laser source configured to produce pulses of 200 femtoseconds or less with a peak power of four megawatts or more for use in a variety of ...  
WO/2020/157839A1
This laser apparatus wavelength control method comprises: successively acquiring target wavelength data of pulsed laser light; successively storing the target wavelength data; acquiring a measured wavelength by successively measuring the...  
WO/2020/155997A1
A fiber laser (100) comprises a seed source (20) used to output initial laser light, a first-stage amplifier (30) for preliminary amplification, a second-stage amplifier (40) for secondary amplification, and a third-stage amplifier (50) ...  
WO/2020/160229A1
A multi-photon imaging system includes a laser module having a first channel for outputting a two-photon excitation laser pulse and a second channel for outputting a three-photon excitation laser pulse. The system further includes a firs...  
WO/2020/159590A1
An exemplary gas cell is adapted to provide wavelength stability to a coherent beam of light. An optic fiber is wound in a plurality winding turns where the optic fiber transports the coherent beam of light from an input fiber end to an ...  
WO/2020/158143A1
Provided is a laser marker with improved cooling efficiency of a laser output unit. The laser marker 1 includes an outer cover 20 provided with a ventilation port 22, an exhaust device attached to the outer cover 20 at a position separat...  
WO/2020/158532A1
[Problem] To limit the number of excitation laser diodes (LDs) in an optical amplification device provided with a redundant excitation LD configuration. [Solution] This optical amplification device is provided with: an excitation unit wh...  
WO/2020/154692A1
A laser apparatus and a polycrystalline material are described. The apparatus includes the polycrystalline material which is configured to receive pumping light at a pump wavelength and to produce an optical gain for laser oscillation at...  
WO/2020/126387A3
A system is configured to form a path for laser radiation (602). The system has an optical element (604) positioned in the path, and a sacrificial device (606) also positioned in the path and configured to protect the optical element.  
WO/2020/152805A1
In the laser system according to one aspect of the present disclosure, a random phase plate is disposed on an optical path between a solid state laser device and an excimer amplifier. In the random phase plate, cells having a prescribed ...  
WO/2020/152796A1
This laser processing device is provided with: a placement table for placing a workpiece; a shaping optical system that shapes a laser beam so that an irradiation region of the laser beam has a rectangular shape having short sides and lo...  
WO/2020/154707A1
A LIDAR system includes a demultiplexer that separates an outgoing LIDAR signal into multiple LIDAR output signals that each carries a different channel and the different channels are each at a different wavelength. The system also inclu...  
WO/2020/154136A1
Laser annealing apparatus includes a plurality of frequency- tripled solid-state lasers, each delivering an output beam of radiation at a wavelength between 340 nm and 360 nm. Each output beam has a beam-quality factor (M2) greater of th...  
WO/2020/150124A1
A laser system includes a first cavity to output a laser light along a first path, a first mirror to receive the laser light from the first cavity, and redirect the laser light along a second path that is different than the first path, a...  
WO/2020/150744A1
A laser-based fiber-coupled white light system is provided. The system includes a laser device comprising a gallium and nitrogen containing emitting region having an output facet configured to output a laser emission with a first wavelen...  
WO/2020/150151A1
A stackable beam module assembly and system for combining laser beams by recursive coupling of one or more beam modules whereby successive converging and diverging lenses having optical properties and an orientation in central beam chann...  
WO/2020/150537A1
Designs of optical transmitters that generate laser pulses with improved optical waveform shape in generated laser pulses and provide compensation for the optical chirp of the optical transmitters. Such pulsed optical transmitters can be...  
WO/2020/144743A1
A laser amplifier (300) is provided with a planar optical waveguide (100) for laser amplification, and input optics (200) for inputting signal light into a core layer (1) of the planar optical waveguide (100). In the laser amplifier (300...  
WO/2020/145173A1
A tunable laser that can improve finesse and achieves favorable filter characteristics. A tunable laser that has a filter region that has a wavelength selection function for light from a gain region. The filter region is a Sagnac interfe...  
WO/2020/145174A1
A tunable laser that can improve finesse and achieves favorable filter characteristics. A tunable laser that has a filter region that has a wavelength selection function for light from a gain region. The filter region is a Sagnac interfe...  
WO/2020/145176A1
The present invention provides a tunable laser whereby finesse can be enhanced, wherein good filter characteristics are realized. In a tunable laser provided with a filter region having a wavelength selection function with respect to lig...  
WO/2020/146398A1
An excimer laser system includes first and second gas cylinders connected to a laser chamber for selectively supplying the laser chamber with gases that are needed to generate and emit laser pulsations having a certain energy level from ...  

Matches 351 - 400 out of 57,840