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Matches 551 - 600 out of 44,669

Document Document Title
WO/2022/129604A1
A Raman laser conversion device for generating a single longitudinal mode, SLM, laser output is disclosed. The device comprises a Raman medium that exhibits a Stokes emission when subject to pumping by a laser pump input, the laser pump ...  
WO/2022/128931A1
The present invention relates to a device (10) for amplifying a multi-wavelength laser beam, comprising: a. a first amplifying medium (M1) having a front face (20) and a reflecting rear face (22), which faces are tilted relative to each ...  
WO/2022/127077A1
A transmitter circuit for a laser radar and a method for detecting a driving current of the transmitter circuit, the transmitter circuit comprising: a driving circuit (11), which is used for applying a driving voltage to at least one las...  
WO/2022/132447A1
Apparatus for and methods of controlling wavelength in a system for producing laser radiation at more than one wavelength (color) in which one or more actuators control wavelength in response to being supplied with a waveform. The charac...  
WO/2022/131643A1
Various embodiments provide a high-efficiency directional non-resonant laser using a scatter cavity, and a manufacturing method therefor. According to various embodiments, a non-resonant laser comprises: a gain medium unit in which a sca...  
WO/2022/132448A1
Apparatus for and method of aligning optical components such as beam splitters in an optical pulse stretcher in which a landing spot of a beam which has traversed a portion of the optical beam splitter and a coincident landing spot of a ...  
WO/2022/123714A1
A gas laser apparatus according to an aspect of the present disclosure comprises: a main discharge circuit that supplies a main discharge voltage for generating a main discharge between a pair of main discharge electrodes disposed inside...  
WO/2022/122956A1
The invention relates to a method for generating a supercontinuum, the method comprising the following steps: a) radiating a carrier laser pulse (1) having a first temporal width (Δτ1) onto a first non-linear material (2); b) at the sa...  
WO/2022/124756A1
The present invention relates to a device for converting a frequency of an electromagnetic wave and, more specifically, to a device for converting an original frequency of an electromagnetic wave into a frequency corresponding to a reson...  
WO/2022/125289A1
A wavelength selection apparatus includes: a center wavelength selection optic configured to select at least one center wavelength for each pulse of a pulsed light beam in accordance with an angle of incidence of the pulsed light beam on...  
WO/2022/117583A1
A regenerative optical amplifier with intracavity wavelength conversion is disclosed. The regenerative optical amplifier is configured for generating a burst of pulses, and comprises: pulse guiding optics arranged to form a cavity and gu...  
WO/2022/116213A1
A method and apparatus for improving the laser ranging capability of a radar system, and a storage medium. The method comprises: obtaining the current operating temperature, a preset operating temperature range, and a center wavelength t...  
WO/2022/119760A1
The system and method of using an ultra-short pulse mid and long wave infrared laser. The system is seeded with a 2 μm laser source having a pulse duration in the femtosecond range. The beam is stretched, to increase the pulse duration,...  
WO/2022/116555A1
An injection locking control method, an injection locking control apparatus, and a laser radar. The injection locking control method is applied to a laser group, and comprises: acquiring a laser signal output by a slave laser (1512) (A1)...  
WO/2022/119762A1
The system and method of producing a first path comprising a pulse stretcher for a mid-wave infrared (MWIR) signal, an optical parametric chirped-pulse amplification (OPCPA) amplifier, and a MWIR compressor for producing a first beam in ...  
WO/2022/118120A1
Wavelength-tunable source of pulsed laser radiation for VIS-NIR spectroscopy which consists of a pump source (1) forming bursts of picosecond pulses of high pulse repetition rate, and a synchronously pumped optical parametric oscillator ...  
WO/2021/151795A9
The invention relates to a device (5) for combining a plurality of coherent laser beams (3.1,..., 3.N), comprising: a splitter unit (4) for splitting an input laser beam (9) into the plurality of coherent laser beams (3.1,..., 3.N), a pl...  
WO/2022/115066A1
The present invention provides an electronically controlled dielectric Huygens resonator spatial light modulator (1). The modulator (1) comprises a substrate (102), a first layer (103) positioned on said substrate (102), which is transpa...  
WO/2022/110284A1
Provided are a method for regulating the output power of a 213 nm laser, and an apparatus thereof, said method comprising: setting the temperature of a frequency tripling crystal (21) (S1); using the frequency tripling crystal (21) to ou...  
WO/2022/110830A1
The present disclosure relates to the field of fiber lasers and specifically relates to an air-cooled fiber laser. The air-cooled fiber laser comprises a housing, a pumping source, an optical component, and a cooling structure. The cooli...  
WO/2022/113717A1
By heating a high-temperature tank (116) with a heater (108), atomic gas is generated in the high-temperature tank (116) from an atomic source. A magneto-optical trap is realized by a laser beam (130) reflected by a right-angled conical ...  
WO/2022/114992A1
Pulsed fibre lasers make it possible to achieve high peak powers and energies at a relatively low pumping power and are widely applicable in such fields as materials processing, product marking and medicine, as well as the conversion of ...  
WO/2022/115122A1
Some embodiments may include a fiber laser having an input end to receive source light from a light source and an output end including: a feeding optic fiber including a cladding layer and an interior surrounded by the cladding layer, wh...  
WO/2022/112152A1
The invention concerns a very large mode area single-mode amplifying optical fiber (100) comprising a doped core (1) having a core diameter larger than 20 micrometers, surrounded by at least a first cladding (2) comprising a solid matrix...  
WO/2022/115139A1
A system including an electron beam source for providing an electron beam and at least one undulator system configured to produce free-electron laser (FEL) radiation is described. The undulator system includes undulators and at least one...  
WO/2022/114402A1
According to the present disclosure, a device for measuring a voltage by using a Pockels cell comprises: a Pockels cell for changing a reflective index of incident light on the basis of an applied electric field; at least one non-polariz...  
WO/2022/105749A1
The embodiments of the present application provides a laser output optical cable, mainly comprising: an energy transmission optical fiber and a laser cutting head connector for connecting a laser output head and a laser cutting head, the...  
WO/2022/104437A1
The present invention relates to apparatus and/or methods for sanitising objects comprising a UV light source for emitting a beam of UV light and are particularly suited to sanitising a plurality of objects such as banknotes and mail at ...  
WO/2022/108824A1
Disclosed are laser modules for laser systems and methods thereof that expand options for clinicians when using lasers in medical procedures such as holmium lasers in urological procedures. A laser module includes independently drivable ...  
WO/2022/104597A1
A polarization-insensitive optical parametric amplifier for radially polarized light, comprising: a laser module (1) and a nonlinear crystal (2) that satisfies type II phase matching or type II quasi-phase-matching, wherein the laser mod...  
WO/2022/107707A1
This light amplification device comprises: an optical fiber amplification part that amplifies, while propagating with a time difference, two pulse laser lights respectively having a first wavelength λ1 and a second wavelength λ2 which ...  
WO/2022/106199A1
A system for correcting the wavefront (182) of a laser beam (180) includes a beamsplitter (120) for splitting off a fraction of the laser beam (180) to be used as a diagnostic beam (180D), a focusing element (140) for bringing the diagno...  
WO/2022/096413A1
A method for providing an ensemble of beamlets effectively acting as a high-energy laser pulse is disclosed. According to the method, a beamlet pattern with a plurality of spatially distributed laser beamlets is provided. The beamlets ar...  
WO/2022/097040A1
A method for performing a nonlinear optical operation includes pumping a laser with an optical signal at a pump wavelength and pumping the laser with an electronic or optical bias that acts as a hyperparameter, filtering out optical outp...  
WO/2022/088307A1
A high-power all-fiber laser beam combiner capable of adjusting the shape of output beams, comprising an input fiber bundle (1) and an output fiber (2). The input fiber bundle (1) and the output fiber (2) are matched and spliced by taper...  
WO/2022/087667A1
A composite all optical-fibre based tapered photonic waveguide (110) including a single or multiple secondary waveguides (120) within or around a primary waveguide (118) is described. The composite optical fibre may also be termed a beam...  
WO/2022/091959A1
This laser module (20) comprises a first LD (31) emitting first light (L1), a second LD (32) emitting second light (L2), a collimating lens (36), (37), and a wavelength combining element (45). The wavelength combining element (45) reflec...  
WO/2022/093750A1
A method of performing coherent anti-stokes Raman spectroscopy (CARS) includes generating first and second optical pulse trains having different and adjustable repetition rates. One of the pulse trains is directed in a CW direction and t...  
WO/2022/092469A1
Embodiments relate to a resonator and a passive mode locking-type high repetition rate-pulse laser oscillation system including same. The resonator is characterized by comprising: a graphene layer formed on a support; and a tapering fibe...  
WO/2022/085111A1
One aspect of the present disclosure relates to a laser apparatus comprising: an oscillator for outputting pulsed laser light; a rotary stage for supporting an optical element disposed on the optical path of the pulsed laser light; a gra...  
WO/2022/083105A1
Disclosed in the present invention is a crystal switching device suitable for an optical parametric oscillator, comprising a switching disc, a transmission disc, connection members and a positioning device; the switching disc and the tra...  
WO/2022/082986A1
Embodiments of the present application provide a gain adjustment method and an optical fiber amplifier. The gain adjustment method is applicable to the optical fiber amplifier, and the optical fiber amplifier at least comprises: a gain m...  
WO/2022/082875A1
An encapsulation structure for a semiconductor laser (4). The encapsulation structure comprises a housing (1); and a heat dissipation mechanism (3) and a transmitting hole (2), the transmitting hole (2) being provided in one side of the ...  
WO/2022/084233A1
A multipass laser amplifier (100) includes a mirror (130), a mirror device (140), a gain crystal (120), and refractive or diffractive beam-steering element (110). The gain crystal (120) is positioned on a longitudinal axis of the multipa...  
WO/2022/085012A1
A laser beam for improved atmospheric penetration is produced by a device having two or more laser sources each producing a laser beam of a different wavelength. The beams are combined by an optical combiner into a composite beam having ...  
WO/2022/085146A1
A laser apparatus according to the present invention comprises: a first actuator that adjusts an oscillation wavelength of a pulsed laser beam; a second actuator that adjusts a spectral line width of the pulsed laser beam; and a processo...  
WO/2022/083950A1
The invention relates to a pulse compression optical arrangement (1) for a pulsed laser beam (6), comprising: a grating arrangement (2) which has at least one diffraction grating (3, 4). The optical arrangement (1) comprises a beam-expan...  
WO/2022/083116A1
Provided is a dual-wavelength resonant cavity based on a volume Bragg grating, comprising: first to fourth volume Bragg gratings (TVBG1, TVBG2, RVBG3, RVBG4); the first volume Bragg grating (TVBG1) and the second volume Bragg grating (TV...  
WO/2022/084100A1
The invention relates to a pulsed or continuous fiber laser or fiber amplifier having an active fiber with a fiber core (1), a fiber cladding (2), and a doped region (3) with an active dopant which is used to amplify a laser pulse propag...  
WO/2022/077997A1
A miniature mid-infrared laser based on double microdisks, comprising a laser source (1), a coupler (2), an echo wall microdisk laser (3), and an echo wall microdisk optical parametric oscillator (4). The echo wall microdisk laser (3) an...  

Matches 551 - 600 out of 44,669