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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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WO/2024/033666A1 |
The invention is method and a device for tuning the laser frequency with a rotating disc and an optical waveguide that relies on the Doppler effect. The laser is mounted on a mechanical spinning disc or an equivalent rotating object whos...
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WO/2024/032028A1 |
A laser cooling heat sink having a micro-channel structure, comprising a micro-channel heat sink working end (1), a heat-conducting metal filling layer (4), a micro-channel heat dissipation reinforcing end (2), and a heat sink base (3). ...
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WO/2024/032888A1 |
The present disclosure relates to optical communications using a spin vertical-cavity surface¬ emitting laser (VCSEL). The disclosure provides a laser apparatus comprising the spin VCSEL, and a light source for optically pumping the spi...
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WO/2024/027938A1 |
Delivery systems are provided comprising pulse producer and first pulse supplier including first optical fiber path, first pulse amplifier and first delivering end. Pulse producer produces first low-power laser pulse having power predefi...
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WO/2024/027420A1 |
The present application relates to the field of vehicle-mounted lasers, and in particular, to a pumping system for use in a vehicle-mounted laser, a vehicle-mounted laser device, and a vehicle. The pumping system comprises: a pumping sou...
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WO/2024/030178A1 |
A Bismuth-doped fiber-optic amplifier (BDFA) system in which a Bismuth-doped optical fiber (BDF) is pumped by a fiber-laser pump (rather than by a semiconductor pump). Because higher-power fiber-laser pumps permit over-pumping of the BDF...
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WO/2024/030902A1 |
A complex-wavefront photonic transceiver including a coherent source; a complex transmitter waveform generator programmable to modulate a first portion of the coherent electromagnetic radiation, when received from the coherent source, to...
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WO/2024/030478A1 |
Apparatus for and methods of rapidly achieving a target peak wavelength separation 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 suppl...
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WO/2024/028461A1 |
The invention relates to a laser system for providing a pulsed laser beam intended for interaction with a target material, comprising a laser beam source for providing a pulsed input laser beam, a target area for the arrangement of the t...
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WO/2024/028609A1 |
An optical circuit (100) for a laser device, the optical circuit (100) comprising: a first polarization-maintaining optical cavity (110a) comprising: a first gain medium (140a) excitable by a first pump light source (130a) to generate li...
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WO/2024/030088A1 |
The invention relates to an adapter for enabling changing the numerical aperture value of the laser beam in fiber laser systems.
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WO/2024/030048A1 |
The invention relates to methods and devices for increasing the output power of lasers used in compact portable devices for the laser treatment (cleaning) of parts by ablation to remove a damaged layer, rust and other foreign matter, or ...
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WO/2024/023157A1 |
A method for igniting and supplying a laser or a processing plasma in a discharge chamber (30) with electrical power more efficiently comprises: a. providing power from an output terminal (24) of an amplifier (12) to the discharge chambe...
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WO/2024/024388A1 |
A laser machining device (100) comprises: a seed light source (2); excitation light sources (3, 9A, 9B); a laser amplification unit including amplification fibers (1, 8) that are configured so as to amplify the seed light as a result of ...
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WO/2024/024575A1 |
[Problem] To provide an optical device and a distance measuring device capable of suitably detecting an emission timing of oscillating light. [Solution] An optical device according to the present disclosure comprises: a light emitting el...
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WO/2024/026036A1 |
A device may include an active material, a primary optical system, and a pump optical system. The primary optical system forms a primary folded optical path through the active material for a primary optical beam. The pump optical system ...
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WO/2024/025930A2 |
An exemplary illumination source is provided. The illumination source includes a light integrating device for coupling to at least one optical structure at an output port. The light integrating device includes at least one input port. At...
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WO/2024/023879A1 |
This light-emitting element (1) comprises comb-teeth electrodes (13, 14) on a surface of a substrate (10) composed of a liquid crystal that includes a rare-earth element that serves as a light-emission center. The comb-teeth electrodes (...
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WO/2024/017829A1 |
The invention relates to an optical apparatus (10), in particular for generating EUV radiation (12), comprising a measuring device (30). The invention also relates to the use of a measuring device (30) in an optical apparatus (10) for ge...
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WO/2024/019344A1 |
The present invention provides a selective apatite film forming method using a laser and a selective apatite film forming apparatus, the selective apatite film forming method comprising the steps of: (a) immersing an implant substrate in...
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WO/2024/016851A1 |
An optical amplifier (100), an optical amplification method, and an optical communication device (1000). The optical amplifier (100) comprises a controller (10), a three-electrode semiconductor optical amplifier (30), and a spectral tilt...
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WO/2024/018139A1 |
The invention relates to a method and a device (1) for producing coherent Smith-Purcell electromagnetic radiation, which device comprises: an electrically conductive diffraction grating (5) laterally defined by two electrically conductiv...
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WO/2024/018566A1 |
A laser oscillator according to the present invention comprises a laser oscillation source, a drive power supply, an oscillation control device, and an optical fiber that transmits a laser beam oscillated from the laser oscillation sourc...
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WO/2024/016320A1 |
Disclosed in the present invention is a composite birefringent crystal-based femtosecond laser pulse energy increasing apparatus. The apparatus comprises: an ultra-short pulse generator, a pulse separation unit, a spectrum expansion unit...
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WO/2024/013094A1 |
The invention relates to a passively mode-locked fiber oscillator (1) for generating seed pulses, said fiber oscillator being suitable for non-linear CPA amplification systems (35), and comprising ˗ a fiber path (3) having a first, at l...
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WO/2024/015854A1 |
A method for generating amplified laser radiation includes generating a forward- propagating laser beam in a first waveguiding gain stage, amplifying the forward-propagating laser beam in a second waveguiding gain stage, and directing th...
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WO/2024/013573A1 |
A system for illuminating a target in the presence of atmospheric turbulence includes a coherent beam combining (CBC) subsystem, an atmospheric wave-front sensor (AWS) subsystem, a multi-channel photo-detector (MCPD) subsystem, an auxili...
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WO/2024/013750A1 |
A system for laser light control including: a loop, including: an optical amplifier having an amplifier input and an amplifier output; a splitter having: a splitter input configured to receive light from the amplifier output; a splitter ...
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WO/2024/015746A2 |
Systems for transmitting power to and from flight vehicles, and associated devices and methods are described herein. A representative flight power-transmission system includes a surface-based transmitter on or adjacent to the surface of ...
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WO/2024/015852A1 |
A spectroscopy system comprises a tunable laser including a gain chip, a collimating lens for collimating light from the gain chip, an end reflector, a focusing lens for focusing the collimated light on the end reflector, a thin film ban...
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WO/2024/011967A1 |
Disclosed in the embodiments of the present application is an optical frequency comb generating device. The optical frequency comb generating device comprises a pumping source, a gain medium, a coupling input mirror, a coupling output mi...
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WO/2024/007645A1 |
A tunable single-frequency fiber laser based on PMN-PT thin film (4) comprises: a first fiber grating (1), a gain fiber (2), a second fiber grating (3), a PMN-PT thin film (4), an optical wavelength division multiplexer (5), a pump light...
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WO/2024/010847A1 |
An apparatus comprises an optical cavity formed on a substrate and defining a round-trip optical path, an interface positioning at least a portion of a gain medium to provide an active portion of the round-trip optical path over which th...
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WO/2024/010320A1 |
The present invention relates to a flat-top laser beam head module comprising: an optical cable having an optical fiber core inserted into the sheath thereof, the optical fiber core having a circular or polygonal cross-section; a cylindr...
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WO/2024/010321A1 |
The present invention relates to a flat-top laser beam head module comprising: a fiber-optic cable having an optical fiber core with a circular or polygonal cross-section inserted in a sheath; a cylindrical housing; an optical fiber conn...
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WO/2024/009662A1 |
This chamber for a gas laser apparatus in which laser gas is sealed in an internal space thereof comprises: a first main electrode and a second main electrode that face each other across a gap in the internal space, with the longitudinal...
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WO/2024/008937A1 |
The invention relates to a device and a method for stabilizing the frequency of a laser, in particular a device and a method for stabilizing the frequency of a laser on the basis of the spectroscopy of a temperature-stabilized volume Bra...
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WO/2024/009305A1 |
A diagnostic system for a high power laser system, which detects and responds to malfunctions in interlocks of the laser safety system. A fault detected in any interlock circuit mandates a limitation in the operating conditions of the la...
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WO/2024/009082A1 |
A system (200) for altering laser pulse duration includes a chirped fiber Bragg grating (cFBG) (122), a Faraday rotator (230), a retroreflector (240), and a fiber-optic polarization combiner (210) coupled to the chirped fiber Bragg grati...
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WO/2024/004487A1 |
According to the present invention, in a first area that captures atoms in a first state by means of first light and a magnetic field, atoms are optically pumped into a second state and thereby captured by magnetic force. The atoms in th...
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WO/2024/001437A1 |
An FMCW lidar based on chip integration. An external-cavity tunable laser (A) is used, the laser being formed by the hybrid integration of the following: a light-emission gain chip (100); a first optical waveguide (201), a second optical...
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WO/2024/003068A1 |
The invention relates to a system (5) for compressing light pulses emitted by a light source (2), comprising a dispersive optical system (10) configured to receive an incident light pulse (100) having a right incident wavefront of positi...
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WO/2024/000821A1 |
A laser output head adapter (100) and a laser output assembly. The laser output head adapter (100) is configured to be connected to a QBH connector (200) and a QD fiber connecting block (300), and comprises a first cylinder (110) and a r...
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WO/2024/001392A1 |
The present application discloses a solid-state laser based on a nonlinear amplifying loop mirror, comprising a pumping source, a pumping light coupling module, a nonlinear amplifying loop mirror module, and a linear arm module. The pump...
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WO/2023/248779A1 |
The objective of the present invention is to reduce the size of a lighting device, for example. This lighting device comprises: a plurality of light emitting units which are arranged in an array, and each of which emits substantially p...
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