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WO/2023/019994A1 |
An optical fiber amplifier and a method for amplifying an optical signal. The optical fiber amplifier comprises: a first core spacing converter that converts a first optical signal transmitted by a first N-core optical fiber into a secon...
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WO/2023/021622A1 |
A bypass device according to an aspect of the present disclosure is attachable to and detachable from a laser apparatus for outputting a pulse laser beam, and forms a bypass optical path for bypassing a pulse width elongation device that...
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WO/2023/021351A1 |
The present invention relates to an emission LASER apparatus of ultrashort light pulses with high energy and high repetition frequency as well as an optoelectronic device that uses this LASER apparatus. In particular, the aforementioned ...
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WO/2023/022910A1 |
A MEMS tunable VCSEL includes a membrane device having a mirror and a distal-side electrostatic cavity for displacing the mirror to increase a size of an optical cavity. A VCSEL device includes an active region for amplifying light. One ...
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WO/2023/016827A1 |
The invention relates to a measuring method, comprising the following steps: - transmitting a transmission signal which comprises at least one light pulse, wherein an amplitude of an intensity of the light pulse is modulated with a modul...
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WO/2023/017585A1 |
In order to reduce power consumption, an optical amplification system (6) is provided with: a plurality of optical output means (22) and a plurality of optical amplification means (14); a power consumption measurement means (51) for meas...
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WO/2023/011826A1 |
The present invention relates to an apparatus for combining coherent laser beams, comprising: a splitting device (110) for splitting an input laser beam (108) into a plurality of coherent laser beams (102); a phase setting device (120) f...
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WO/2023/014802A1 |
A sepsis detection system includes a first subsystem configured to detect a presence of an infection in a patient, a second subsystem configured to detect a presence of a dysregulated host response in the patient, a third subsystem confi...
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WO/2023/013145A1 |
This laser irradiation device comprises a laser light source for emitting laser light, and a control unit for performing control relating to irradiation of a substrate with the laser light, wherein the control unit: acquires an operation...
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WO/2023/011374A1 |
A fiber amplifier control method, apparatus and system, a transmission node, and a storage medium. A plurality of WDM transmission systems are deployed between a first communication end and a second communication end, and at least one ta...
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WO/2023/012287A1 |
In accordance with an aspect of the invention, an apparatus (1) for emitting electromagnetic radiation is provided. The apparatus comprises a gain element (4), an optical arrangement defining a resonator and arranged to re-direct radiati...
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WO/2023/011699A1 |
Communications network optical apparatus (100) comprising an optical module (120) and a controller (140). The optical module (120) comprises optical modulators (122), internal lasers (124) to generate internal optical signals, an input p...
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WO/2023/013025A1 |
Provided is a laser device including: a first seed laser for outputting a first seed laser beam that is a continuous-wave laser beam with a first emission wavelength; a second seed laser for outputting a second seed laser beam that is a ...
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WO/2023/012988A1 |
This gas laser apparatus comprises: a chamber device that comprises an electrode in the inside thereof in which laser gas is sealed, and that outputs, to the outside via a window, light which is produced from the laser gas by application...
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WO/2023/006821A1 |
The invention relates to a focusing device (10), in particular for producing EUV radiation. The focusing device (10) is designed to illuminate target material (12) on a target plane (14). The focusing device (10) comprises at least one b...
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WO/2022/260758A9 |
A method for performing dynamic pulse control of a fiber laser in a light detection and ranging (LiDAR) scanning system is provided. The method comprises switching pump power that is deliverable to a first power amplification medium carr...
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WO/2023/007832A1 |
This fiber laser device comprises: a housing; a first optical element for the oscillation of a laser light, said first optical element having a first fiber and a first fiber connector that is provided at an end of the first fiber; and a ...
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WO/2023/007685A1 |
A control method for a discharge excitation type laser device according to the present invention provided with a power supply that controls pulse energy of a pulsed laser light, the method including: in a first period, outputting pulsed ...
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WO/2023/007831A1 |
This fiber laser device comprises: an enclosure; a first optical element that is for oscillating laser light and that has a first fiber and a first fiber connector provided at an end of the first fiber; a second optical element that is f...
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WO/2023/007545A1 |
This UV laser device is provided with: an optical isolator arranged on the optical path between an oscillation stage laser that outputs linearly polarized laser pulses with a UV wavelength and an amplifier that amplifies and outputs the ...
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WO/2023/009324A1 |
A laser assembly (10) for generating an output beam (12) includes: (i) a first laser (16) that generates a first laser beam (16A) having a first polarization state; (ii) a second laser (20) that generates a second laser beam (20A); (iii)...
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WO/2023/003705A1 |
An actively cooled end-pumped solid-state laser gain device includes a bulk solid-state gain medium. An input-end of the gain medium receives a pump laser beam incident thereon and propagating in the direction toward an opposite output-e...
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WO/2023/002690A1 |
Provided is a light source device, comprising: a fiber laser that includes an excitation light source and that outputs pulsed light which has been generated in accordance with excitation light from the excitation light source; a fiber am...
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WO/2023/002620A1 |
This laser oscillator is provided with a command superimposing portion for superimposing power commands and pulse commands from different transmission sources, and an optical portion for causing laser light to oscillate on the basis of a...
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WO/2023/004166A1 |
Methods and devices for determining a mass concentration of an airborne or respirable species in real time are provided. Methods can include drawing in a particulate species through an inlet and into a chamber of a resonator of a monitor...
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WO/2023/287518A1 |
A pulsed power circuit including one or more magnetic switches respectively implemented as one or more inductors having saturable cores wherein, after a discharge pulse, each saturable core is repeatably reset to an initial bias point on...
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WO/2023/285030A1 |
The invention relates to a pulse modification apparatus (1) comprising one or more pulse stretching devices for the dispersive stretching of laser pulses (3) and/or one or more pulse compression devices (2) for the dispersive compression...
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WO/2023/284894A1 |
A negative high-voltage laser having an ultra-long discharge tube, comprising a gas storage tube (101), a reflector (103) and a light exit surface (111) being respectively provided at both ends of the gas storage tube (101); a water cool...
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WO/2023/285241A1 |
A laser pulse spectral broadening apparatus (100) for spectral broadening of laser pulses (1A) com- prises a multi-pass cell device (10) with multiple mirror elements, which are arranged for providing a beam path (2) extending from an in...
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WO/2023/285728A1 |
Various example embodiments relate to the field of fiber laser technology. A fiber laser may comprise an active optical fiber configured to amplify an optical signal and a frequency shifter, which may be optically coupled to the active o...
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WO/2023/284893A1 |
A positive high-voltage laser having a super-long discharge tube, comprising a gas storage tube (101), two ends of the gas storage tube (101) being respectively provided with a reflecting mirror (111) and a light emitting surface (103); ...
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WO/2023/285028A1 |
The invention relates to a pulse modification apparatus (1) in the form of a pulse stretching apparatus for the dispersive stretching of laser pulses (2) or a pulse compression apparatus for the dispersive compression of laser pulses (2)...
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WO/2023/286236A1 |
An optical isolator according to an aspect of the present disclosure comprises: a case; a first polarizer that is disposed in the case such that incident light of linearly polarized light of an ultraviolet wavelength is transmitted there...
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WO/2023/284776A1 |
A laser pumping apparatus including a geometric light concentrator and a heat insulator, and a laser pumping system. The laser pumping apparatus receives and guides pump light and converges same to a laser gain material (1070, 1170, 2040...
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WO/2023/281431A1 |
System and method for imaging a target, the method comprising transmitting a plurality of N pulses of electromagnetic waves to illuminate the target, receiving a pulse of electromagnetic waves that is reflected by the target from each of...
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WO/2023/280712A1 |
An optical fiber for guiding an optical signal, said optical fiber having a longitudinal, optical axis (A) and a cross section perpendicular thereto, said optical fiber comprises: a core region (2) being capable of guiding an optical sig...
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WO/2023/281513A1 |
A correction optical element (COE) for a multi-channeled coherent beam combining (CBC) system that uses a fiber array comprising multiple optical fibers and a single collimation array comprising multiple collimating lenses, for coherent ...
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WO/2023/273392A1 |
A high-stability excimer laser apparatus, comprising a discharge resonant cavity, a line width narrowing module, a measurement module and a control module. The line width narrowing module comprises a beam expanding apparatus and an echel...
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WO/2023/278097A1 |
A gas control apparatus includes a control system in communication with a gas discharge chamber. The control system includes a performance monitoring module configured to, during standard mode of operation of the gas discharge chamber an...
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WO/2023/276103A1 |
A wavelength control method for a laser apparatus provided with a wavelength actuator that periodically changes the wavelength of pulse laser light to be burst-output includes: reading data regarding a target value of the wavelength; det...
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WO/2023/276064A1 |
A laser device (100) comprises: a laser oscillator (101); an acoustic-optical modulation unit (102) including a first acoustic-optical modulator (3) that diffracts laser light from the laser oscillator (101) when first ultrasonic waves a...
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WO/2023/272691A1 |
A frequency modulation nonlinear calibration apparatus (100) and calibration method. The calibration apparatus (100) comprises: a light source (110), a light splitting module (120), a delay module (130), and a control module (140). The d...
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WO/2023/277926A1 |
An illumination device for generating multiple wavelength, narrow linewidth, single longitudinal and single transversal mode emission, includes a laser-medium inside a laser-resonator configured to receive a pump beam from a single pump ...
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WO/2023/275747A1 |
Techniques dual-frequency comb sources are disclosed. In the illustrative embodiment, a whispering-gallery-mode resonator supports a family of radially-polarized modes and a family of axially-polarized modes. A laser excites one radially...
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WO/2023/272894A1 |
Disclosed are an excimer laser, and a line width narrowing apparatus and method. The line width narrowing apparatus comprises: a control apparatus, and a beam shifter (5), a beam expanding element (6) and a dispersing element (7) dispose...
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WO/2023/277363A1 |
A device according to embodiments may calculate a measurement value according to a measurement mode on the basis of the inclination of a laser range finding apparatus. A storage medium according to embodiments stores at least one program...
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WO/2022/269522A1 |
A super-mode selective optical unit that may include (i) a multicore fiber (MCF) that comprises one or more claddings, and multiple doped fiber cores located within one of the one or more claddings; and (ii) a multimode fiber (MMF) that ...
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WO/2022/269306A1 |
A laser system includes a laser diode that, upon activation, selectively produces a continuous wave of laser light or uniformly spaced, intermittent pulses of laser light. The system further includes a laser focuser with a plurality of l...
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WO/2022/268716A1 |
A device having a layered structure that includes a layer of phase change material and a matrix material layer having embedding quantum emitters is tuned. An electric field is applied through the matrix material layer and the layer of ph...
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WO/2022/270615A1 |
Conventional broadband light sources have had the problem of being difficult to oscillate or having an unstable oscillation state.　This optical fiber output light source device characterized by including: an optical path connecting a p...
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