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WO/2024/079253A1 |
The invention relates to an optical system for generating or guiding light, comprising a multi-channel light guide (1) which comprises a plurality of individual light guides running parallel to one another and comprising a superposing op...
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WO/2024/080431A1 |
Disclosed is a laser amplification medium cooling device that can effectively dissipate heat generated from a laser amplification medium. The laser amplification medium cooling device includes a cooling module configured to cool an ampli...
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WO/2024/078407A1 |
An optical fiber mode stripper, an optical fiber mode stripper preparation method, and a laser. The optical fiber mode stripper comprises: an optical fiber (100) and a filler (200); the optical fiber (100) is provided with a waveguide da...
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WO/2024/078058A1 |
The present application relates to a technique field of laser processing, aiming to solve problem of lens defects or impurities affecting normal laser emission during laser processing or causing excessive absorption of laser energy by th...
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WO/2023/220536A3 |
A system and method for flow sorting includes a sample loader that is configured to receive a sample that contains one or more laser microparticles, wherein each laser microparticle is configured to generate laser emission with one or mo...
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WO/2024/076950A1 |
An optics-integrated confinement apparatus system comprises a confinement apparatus chip having a confinement apparatus formed thereon and having at least one apparatus optical element disposed and/or formed thereon.
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WO/2024/076720A1 |
The process of heating up a cavity with a diode laser or light beam source with a booster current pulse followed by application of a drive to the diode to produce a continuous wave (CW) over time while the cavity cools (spontaneously or ...
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WO/2024/076653A1 |
A flat-top beam generating system may include a beamsplitting apparatus including one or more beamsplitters to split an input beam into three or more sub-beams that propagate along optical paths with different optical path lengths. The s...
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WO/2024/076393A1 |
The system and method for mounting a high power laser having a coefficient of thermal expansion that is thermally matched for the gain medium and the mount. In some cases, the gain medium is clamped by the mount along longitudinal edges ...
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WO/2024/076604A1 |
A beam shaper includes upstream and downstream fibers fused together at a splice angle different from a zero angle and controllably increased to provide a transformation of a Gaussian intensity distribution profile at an input of the ups...
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WO/2024/068344A1 |
A photonic integrated circuit (10) comprises a pumping laser diode (100) that is designed to emit pumping radiation (11). The photonic integrated circuit (10) furthermore comprises a gain medium (105), which is suitable for absorbing the...
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WO/2024/069856A1 |
The purpose of the present disclosure is to provide a laser which can oscillate a laser beam in the infrared range (e.g., communication wavelength band beam), and which has a low laser oscillation threshold and a reduced light loss. Th...
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WO/2024/067152A1 |
An eigenfrequency detection method for a laser system, an on-off control method for a laser system, and a cut-off frequency stabilization method for a laser system. The eigenfrequency detection method involves: turning on a non-local pum...
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WO/2023/040226A9 |
Provided in the present invention are a dustproof structure for a light emergent window sheet of a laser, and a laser. The dustproof structure for a light emergent window sheet of a laser comprises a discharge cavity body, a gas purifier...
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WO/2024/069913A1 |
A light control device (100, 200, 300) comprises a switching unit (4) that can switch between a transmission state allowing transmission of pulsed light, including an incident pulse signal, and a blocking state that blocks at least a par...
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WO/2024/072664A1 |
A system for reducing or eliminating wavelength variations of laser light is provided. The system comprises a semiconductor-based laser source emitting laser light, an optical scanner, and one or more optical elements disposed between th...
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WO/2024/068282A1 |
The invention relates to an optically pumped solid-state laser (1), wherein a pump radiation source (100) and a laser resonator (200) for forming at least one standing wave (320) with an active laser medium (201) are arranged relative to...
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WO/2024/073396A1 |
A control apparatus for a light source including a plurality of gas discharge chambers with a blower being arranged in each gas discharge chamber. The control apparatus includes: a fault monitoring module configured to, at regular interv...
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WO/2024/067945A1 |
Laser systems are provided. The laser systems comprise a pump laser source configured to generate pump laser pulses; a first nonlinear medium; and a second nonlinear medium. A cascade of nonlinear processes leads to the generation of opt...
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WO/2024/061934A1 |
The present invention relates to a fibre optical amplifier, comprising an amplifying optical fibre (1), comprising a doped core (11), at least one optical cladding (12, 13) and an outer covering (14), the optical amplifier also comprisin...
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WO/2024/064017A1 |
A device for measuring concentration of hydrogen in a gas sample comprises a multipass optical cavity having optical elements including mirrors supporting a multipass optical pathway inside the multipass optical cavity. A laser is config...
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WO/2024/057367A1 |
This solid-state laser device (1) comprises a seed light source (10), a solid-state amplifier (20), a stimulated Raman scattering generation element (30), and a wavelength filter (40). The seed light source (10) outputs pulse light (LS) ...
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WO/2024/056390A1 |
A solid-state laser has a stable resonator (2) that has a first doped YAG material (3) as an active laser medium, a second doped YAG material (4) as a saturable absorber, a first end mirror (5), which is formed by a coating of the first ...
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WO/2024/057536A1 |
This gas laser apparatus comprises: a monitor module that includes an optical plate housed in a housing unit and an incident region on which light is incident, the monitor module being slidable on the optical plate; a positioning member ...
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WO/2024/059437A1 |
A deep ultraviolet laser system includes a line narrowing module including a plurality of prisms such that an incoming laser beam from a laser first interacts with a first prism, then interacts with a second prism after the first prism. ...
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WO/2024/058237A1 |
An optical device (10) of an optical machining device (1) includes: an optical fiber amplifier that amplifies pulsed light; a diffraction grating (12) that disperses, by a diffraction phenomenon, pulsed light (PL) output from the optical...
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WO/2024/058207A1 |
This excitation light generation device comprises: a first multi-mode laser that outputs first excitation light; a second multi-mode laser that outputs second excitation light; a first excitation current/temperature controller that contr...
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WO/2024/059394A1 |
Aspects of the present disclosure relate to methods, systems, and apparatus for wireless gravitational wave communication. In one or more embodiments, a method of wireless gravitational wave communication includes generating one or more ...
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WO/2024/051171A1 |
A multi-pulse mode-locked laser, comprising a pulse generator and a pulse coherent superimposer (15), wherein the pulse generator is a linear or annular cavity mode-locked laser. When the pump current of a first pump laser (11) exceeds a...
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WO/2024/054626A1 |
Laser feedback stabilization combined with isolation is provided in an integrated approach. The main element is a high quality factor resonator that acts as a circulator under high optical power due to the Kerr nonlinearity. This resonat...
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WO/2024/052321A1 |
The invention relates to a beam diaphragm (10) comprising: a diaphragm opening (12) for allowing the passage of a laser beam (14); a deflection unit (16) for deflecting a portion of the laser beam (14) not allowed to pass through the dia...
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WO/2024/054341A1 |
A method of carrier envelope phase stabilization is disclosed which includes temporally stretching a oscillator output signal to produce at least one stretcher output signal, splitting the stretcher output signal to produce a forward byp...
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WO/2024/052998A1 |
The present invention is a laser oscillator having a function for monitoring the output of a laser beam emitted from a laser oscillation source, and comprises an excitation light source that outputs an excitation light to the laser oscil...
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WO/2024/045550A1 |
A laser radar transmitting module, a transceiver device and a laser radar. The transmitting module comprises: a multi-wavelength light emitting unit, the multi-wavelength light emitting unit being suitable for generating a light beam; a ...
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WO/2024/047871A1 |
A narrow-band laser apparatus according to the present invention comprises: a laser resonator that includes an output coupling mirror and a narrow-band module, the narrow-band module including a prism and a grating, a reflecting surface ...
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WO/2024/047139A1 |
A tunable laser comprising a first wafer, a second wafer, and an optical cavity. The first wafer is of a first semiconductor material. The first wafer supports an optical amplifier and an electro-optically tunable optical filter. The sec...
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WO/2024/049703A1 |
The disclosure generally relates to laser power control. An example method includes obtaining data regarding laser output and input applicable to a CO2 laser generating system, and using the obtained data to generate an estimated corresp...
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WO/2024/048420A1 |
[Problem] To stabilize the average power and peak power of oscillating light. [Solution] This laser element comprises: a stacked semiconductor layer comprising a first reflective layer with respect to a first wavelength and an active lay...
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WO/2024/047867A1 |
A laser device comprising a pair of electrodes that generate discharge and an optical pulse extending device that extends the pulse width of pulse laser light generated by the discharge generated between the electrodes, wherein the optic...
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WO/2024/047442A1 |
The present invention provides a way to avoid anti-reflection (AR) coatings inside a laser cavity. It is especially useful when the AR coating is not desirable. This invention can also be used to make single longitudinal mode (SLM) laser...
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WO/2024/048325A1 |
[Problem] To enable a smaller form factor and variable peak power. [Solution] This light source device comprises: a laminated semiconductor layer having an active layer that emits light of a first wavelength, which is a wavelength that c...
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WO/2024/047873A1 |
This control device comprises: a determination unit that, on the basis of the time required to vacuum a circulating system of a gas laser oscillator and the electrical power of a blower that circulates laser gas in the circulating system...
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WO/2024/041903A1 |
The present invention relates to a laser system for laser machining a workpiece (104) using an interference pattern (124), comprising: at least one laser beam source (106) for providing a plurality of coherent laser beams (112); an ampli...
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WO/2024/040638A1 |
A solid-state laser, comprising a pumping source (1) and a bonded crystal (2); the pumping source (1) can output initial pumped light; the bonded crystal (2) comprises a saturable absorber (21) and two efficiently-pumped laser gain media...
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WO/2024/039975A1 |
In various embodiments, laser systems and processing techniques utilize multiple laser beams having different wavelengths coupled into optical fibers in which one region thereof is composed of doped or undoped low-OH fused silica, and an...
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WO/2024/038491A1 |
The purpose of the present invention is to improve the amplification factor of an L-band signal. The present disclosure is an optical fiber for amplification to which a rare earth element has been added, said rare earth element–added...
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WO/2024/037799A1 |
A wavelength of a tunable laser device is stabilized by providing a laser beam from a tunable laser source to an interferometer having a stable reference axis and to a gas absorption cell, scanning the laser beam between first and second...
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WO/2024/031743A1 |
The present application belongs to the field of lasers. A method for breaking through the limitation of a fluorescence spectrum on a laser wavelength, and a laser device. The method comprises: exciting electrons in a laser gain medium (3...
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WO/2024/035528A1 |
A method of and apparatus for optimizing cold start conditioning of a laser with one or more chambers, is provided. The method of and apparatus invoke cold start conditioning procedures when restarting a laser with one or more chambers a...
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WO/2024/033274A1 |
The invention relates to an assembly (14a, 14b) for laser protection with an optical element (16a, 16b) for reflecting and/or absorbing a laser beam (18), and with a sensor (30a, 30b) which is arranged on the optical element (16a, 16b) o...
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