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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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WO/2022/078620A2 |
The invention relates to an amplifier arrangement for increasing power and energy, comprising a multipass cell and at least one amplifying medium, the multipass cell having concavely curved mirrors, and the amplifying medium being arrang...
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WO/2022/078254A1 |
The present application relates to the technical field of communications, and provided are a laser chip, an injection-locked laser, and a network device, for use in solving the problem of insufficient injection locking performance of inj...
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WO/2022/079078A1 |
A method for producing used electromagnetic radiation (2) includes the steps of: a) producing and radiating electromagnetic seed light radiation (4) at a seed light frequency, b) coupling the seed light radiation into an external optical...
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WO/2022/079180A1 |
The invention relates to a method for creating single photons having a predetermined wavelength fV, the method comprising the following steps: i) creating a single photon, preferably in a source and a resonator, the single photon having ...
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WO/2022/081917A1 |
The subject matter of this specification relates to a light detection and ranging (LiDAR) device that comprises, in some implementations, a pulsed-laser source configured to generate a pulsed optical signal, a continuous wave (CW) laser ...
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WO/2022/076147A1 |
An apparatus includes a diffractive grating (108) configured to receive multiple output beams (104) from an array (102) of laser sources (103). The apparatus also includes one or more optical elements (114, 116) configured to receive, di...
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WO/2022/076943A1 |
Devices, systems, and methods for generating ultraviolet lasers are disclosed. Schematics and arrangements of a combination structure implementation that often uses an intra-cavity second harmonic generation (SHG) element and a UV extrac...
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WO/2022/075553A1 |
A miniature optical sensing device for determining distance to an object and velocity of the object, and identifying the shape and structure of the object, for example, a solid-state LIDAR, and a method for determining distance to an obj...
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WO/2022/076799A1 |
A beam-shaper for transforming a MM beam with the flattop intensity distribution profile includes an end block which is fused to a downstream end of a fiber outputting the MM beam along a path within a laser head. The beam-shaper further...
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WO/2022/073065A1 |
The disclosure relates to a substituted cyclooctatetraene triplet excited-state quencher compound of Formula (I): wherein: Z is a wide band gap moiety; L is a non-conjugating linker group; each R, which may be the same or different, is a...
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WO/2022/072088A1 |
An apparatus for a light source includes: an electrical insulator that defines a channel; a gasket that surrounds at least a portion of the electrical insulator; and a shield between the channel and the gasket. The channel is configured ...
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WO/2022/068676A1 |
An optical fiber amplification apparatus, comprising a light receiving port (201), a first light output port (202), a second light output port (203), a gain medium (204), a pump laser (205), a reflection film (206), and a transmission an...
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WO/2022/065407A1 |
This method for laser processing a processing target comprising at least one sheet of metal foil includes a step of supplying pulsed excitation energy to a laser medium to generate laser light, and a step of shining the laser light onto ...
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WO/2022/064832A1 |
This fiber laser device comprises: an excitation light source that outputs first excitation light of a first wavelength; an excitation light source that outputs second excitation light of a second wavelength; an amplification fiber havin...
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WO/2022/061154A1 |
The described methods and devices minimize or reduce the effects of the leading amplified spontaneous emission component of an optical pulse in optical multi-pass amplifier systems. One multi-pass optical amplifier includes a gain medium...
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WO/2022/057710A1 |
The present application relates to a laser pulse shaping apparatus and method, and a pulse shaper and an optical system. The laser pulse shaping apparatus comprises: a pulse shaper, which is arranged on a device light path connected to a...
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WO/2022/058047A1 |
The invention relates to a laser beam casing (1) for airtight encapsulation of a high-power laser beam (2), comprising a housing (3) made of a thermally conductive material, and at least one cavity (5) which can be closed in an airtight ...
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WO/2022/060995A1 |
An optical device includes: a first connector for a first optical fiber that transmits a first laser beam from a first laser source; a second connector for a second optical fiber that transmits a second laser beam from a second laser sou...
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WO/2022/057241A1 |
Disclosed are an electro-optical modulation apparatus and a laser resonant cavity. The electro-optical modulation apparatus is used in a laser resonant cavity, and the electro-optical modulation apparatus comprises: a crystal mounting bo...
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WO/2022/057695A1 |
A spectral broadening device for a laser pulse, comprising: an energy control module, a chirp adjustment module and a spectral broadening module which are connected in sequence. The energy control module is connected to an output port of...
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WO/2022/057709A1 |
The present application relates to a laser pulse energy amplification apparatus and method, and a femtosecond laser. The laser pulse energy amplification apparatus comprises a nonlinear pulse amplifier and a pulse shaper which are succes...
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WO/2022/054860A1 |
The purpose of the present invention is to provide a light source in which RIN and ripple are simultaneously suppressed, a light source device, a method for driving a light source, and a Raman amplifier and a Raman amplification system i...
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WO/2022/054287A1 |
To produce a single-polarization rare-earth-added optical fiber, there was the problem that it was difficult to improve manufacturability and economic efficiency because it was necessary to implement stress distribution control on the ba...
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WO/2022/054180A1 |
This band narrowing gas laser apparatus comprises: a band narrowing apparatus including a wavelength dispersion element; an output coupling mirror; a laser chamber disposed on the optical path of an optical resonator composed of the band...
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WO/2022/053250A1 |
The invention relates to a method for projecting visual objects into the surroundings of a movable device, in particular of a vehicle, comprising the step of radiating electromagnetic radiation pulses (32) in the visible spectral range i...
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WO/2022/054119A1 |
This band-narrowing module is provided with: a housing; a prism disposed in an internal space of the housing and transmitting light; a mounting unit disposed in the internal space and on which the prism is mounted; a fixing unit disposed...
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WO/2022/055564A2 |
An optical tweezer phonon laser system and method for modulating mechanical vibrations of an optically levitated mechanical oscillator to produce coherence is disclosed. A feedback loop is configured to simultaneously supply an electro-o...
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WO/2022/055938A1 |
A first layer, a first spacer layer, and a second layer of a semiconductor wafer can be etched to produce a plurality of columnar structures extending from the substrate layer and including a first optical cavity situated about the first...
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WO/2022/053776A1 |
An erbium fiber laser (10) produces a beam of ultrashort laser pulses having a center wavelength greater than 780 nanometers, an average power greater than 0.5 watt, and a spectral bandwidth compressible to a pulse duration of less than ...
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WO/2022/053775A1 |
An erbium fiber laser (10) produces a beam of ultrashort laser pulses having a center wavelength greater than 780 nanometers, an average power greater than 0.5 watt, and a pulse duration less than 200 femtoseconds. The fiber laser (10) i...
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WO/2022/053924A1 |
Passively Q-switched lasers and short wave infrared (SWIR) electro-optical systems including such lasers. A passively Q-switched laser may include a gain medium (GM) having a stimulated emission cross section σSE, a saturable absorber (...
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WO/2022/055654A1 |
An apparatus for and method of determining a fluorine concentration in a mixed gas includes a detector that supplies a measure of fluorine concentration on the basis of the amount of oxygen generated in a reaction involving the fluorine ...
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WO/2022/054836A1 |
Provided is a light source system with which an adjustment of the light axis between units can be performed easily. This light source system includes a second unit for detecting a light axis and adjusting and/or monitoring a laser ligh...
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