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Patent Searching and Data


Matches 151 - 200 out of 57,163

Document Document Title
WO/2020/080652A1
In a single resonator, a laser beam generation device: has an optical element arrangement which combines multiple laser cavities and integrally collects laser beams, which are generated in the cavities, respectively, into one beam in an ...  
WO/2020/080651A1
A laser generation device, in one resonator, implements an arrangement of an optical element for combining a plurality of laser cavities and bringing together, as one, each laser generated per cavity on an optical path of a part at which...  
WO/2020/078867A1
The present invention relates to the supply of a sensor of an interventional device. In order to provide an interventional device with improved handling, an interventional device is provided, the device comprising a longitudinal elongate...  
WO/2020/078197A1
A semiconductor laser, comprising: one or more semiconductor chips (1-1), the length of a gain region (1-11A) of a light emitting unit (1-11) of each semiconductor chip (1-1) in a slow axis direction ranging from 1 mm to 10 cm; a laser r...  
WO/2020/080144A1
According to the present invention, excitation light is supplied from a plurality of light sources to the odd number of fiber pairs, respectively. In optical amplifiers (A1-A6), an optical multiplexer/demultiplexer (C11) is provided in e...  
WO/2020/079674A1
Laser apparatus (10) including laser devices (LD1, LD2,,...) for emitting laser pulses, a motorized laser pulse reflection arrangement continuously rotated at a uniform angular velocity for reflecting laser pulses along a single optical ...  
WO/2020/075778A1
Provided is an optical device that can be used in a laser apparatus that emits a laser beam. This optical device is provided with: a core; a cladding that covers the core and has a lower refractive index than the core; and a first slant-...  
WO/2020/077092A1
A laser mount assembly includes a lens holder including a collimating lens. A laser subassembly is positioned adjacent the lens holder and includes a vertical-cavity surface-emitting laser, a thermal electric cooler, and a thermistor. A ...  
WO/2020/075442A1
[Problem] To provide a wideband extended pulsed light source which can maintain the uniqueness between elapsed time and a wavelength and can also prevent collapsing of the uniqueness between the elapsed time and the wavelength even in th...  
WO/2020/075246A1
This laser device (10) comprises: a first mirror (3) and a second mirror (4) that cause resonance of a plurality of beams having mutually different wavelengths; a diffraction grating (2) that causes the beam center axes of a plurality of...  
WO/2020/076187A1
The invention relates to quantum electronics, specifically to methods of generating radiation in gas-dynamic flow lasers and can be used in creating process gas-dynamic laser systems integrated into the structure of a gas-turbine engine....  
WO/2020/075465A1
Provided is an optical device that can suppress deterioration of resin that fixes optical fibers. An optical combiner 20 is provided with: an input-side optical fiber 12; an output-side optical fiber 32; a fiber connection part 53 at whi...  
WO/2020/075486A1
Provided is a laser device capable of effectively detecting degradation of resin with which an optical fiber is fixed. The laser device 1 is provided with: an optical fiber 12 for propagating laser light; resin 28, 29 fixing the optical ...  
WO/2020/074581A1
The invention relates to an optical system having a dividing element (2), which divides the input laser beam (EL) into a number of spatially separate sub-beams, at least one optical amplifier (4), through which the spatially separate sub...  
WO/2020/072995A1
Disclosed are ideas to produce an add-on device which turns widely used high repetition rate lasers used for 2-photon microscopy into a light source which can be used for 3 -photon microscopy. The add-on encompasses a device to reduce th...  
WO/2020/071262A1
In cladding pump schemes, optical amplifiers employing multi-core optical fibers have low absorption efficiency of pump light in an optical amplification medium, and light intensity amplification efficiency is reduced as a result, and th...  
WO/2020/068395A1
An optical element includes an optical material including a first edge and an opposing second edge. The optical element further includes a plurality of micro-channels arranged within the optical material. Each of the micro-channels of th...  
WO/2020/067809A1
A laser decontamination system according to an embodiment of the present invention comprises: a laser generator for generating a laser beam; an optical head which is inserted into a pipe and is for laser ablating by concentrating the las...  
WO/2020/069253A1
An integrated optical modulator array useful for modulating light at different wavelengths in the same optical band includes multiple GeSi waveguides on a substrate. Each GeSi waveguide has a different width and is coupled to electrodes ...  
WO/2020/065333A1
A method for generating a spatially transformed optical output from a laser system, the method comprising: disposing a laser gain medium within a laser cavity structure; arranging an interferometric device to complete the laser cavity st...  
WO/2020/064150A1
A laser device for laser detection and ranging (Li DAR), comprising: - a laser oscillator (30) configured for emitting a pulsed laser beam (B4), - a laser beam amplifier (9) disposed on the laser beam path, - a pumping unit (10) disposed...  
WO/2020/067383A1
An optical fiber amplifier 1 according to an embodiment of the present invention is provided with a multicore fiber 10 to which erbium is added, wherein the multicore fiber 10 is twisted and helically wound so as to form a fiber coil 2.  
WO/2020/064194A1
Methods of and apparatus for controlling pulses in a laser system include controlling the relative timing of trigger pulses in a multi-chamber laser system to control a delay in the respective firing of the multiple chambers including th...  
WO/2020/061969A1
A laser emitting device (1) and a ranging device (100). The laser emitting device (1) comprises: an emission circuit (11), a self-test circuit (12), and a control circuit (13), wherein the emission circuit (11) comprises a laser emitter ...  
WO/2020/062214A1
A waveguide integrated optical modulator and a preparation method therefor, used to actively modulate a pulsed laser, and to resolve the issue in which optical modulators have a limited range of applications. The waveguide integrated opt...  
WO/2020/061505A1
Multi-clad optical fiber cladding light stripper (CLS) comprising an inner cladding with one or more recessed surface regions to remove light propagating within the inner cladding. A CLS may comprise such recessed surface regions along t...  
WO/2020/056655A1
A near-infrared laser, comprising a front cavascope, a laser crystal, a Q-switched crystal, a quasi-phase-matched crystal, a wavelength selection crystal, and a rear cavascope. By applying an intracavity cascade frequency-doubled optical...  
WO/2019/113405A3
Orbital debris removal (ODR) systems under the present approach may use a ground- or surface-based FEL and mirror system with sufficient power and both spatial and temporal resolution to both locate Category II OD (1 cm to 10 cm diameter...  
WO/2020/059433A1
This optical fiber cooling device 5 is provided with a housing 33, a liquid metal M, and a chiller device 37. The housing 33 stores a portion of a first optical fiber 17 and a second optical fiber 19. The liquid metal M is disposed insid...  
WO/2020/059247A1
A laser device 1A is provided with: a semiconductor laser element 5; a waveform calculation unit 3 which calculates input waveform data Da; a driver circuit 4 which supplies, to the semiconductor laser element 5, a drive current Id havin...  
WO/2019/092702A3
A laser system including a seed laser, a laser beam splitting and combining subsystem receiving an output from the seed laser and providing a combined laser output having noise and a noise cancellation subsystem operative to provide a no...  
WO/2020/060735A1
Disclosed is an electrode for a laser chamber comprising an alloy of a first metal having a first free energy of formation with fluorine greater than or equal to the free energy of formation with fluorine of copper, and a second metal ha...  
WO/2020/056852A1
A tunable narrow linewidth photogenerated microwave source based on polarization control, comprising a high reflectivity fiber grating (1), a high gain fiber (2), a low reflectivity polarization-maintaining fiber grating (3), a stress ad...  
WO/2020/052515A1
A laser beam combining device with an unstable resonator cavity includes a semiconductor laser source(1) configured to emit a plurality of laser beams to a beam shaper(2) to form a plurality of parallel laser beams and the parallel laser...  
WO/2020/056264A1
Bismuth (Bi) doped optical fibers (BiDF) and Bi-doped fiber amplifiers (BiDFA) are shown and described. The BiDF comprises a gain band and an auxiliary band. The gain band has a first center wavelength (λ1) and a first six decibel (6dB)...  
WO/2020/054869A1
An optical oscillator according to an embodiment is provided with: a first reflecting portion which transmits light of a first wavelength and reflects light of a second wavelength; a second reflecting portion which forms an unstable reso...  
WO/2020/055577A1
Spliced multi-clad optical fibers with a cladding light stripper (CLS) encapsulating the splice. The splice may facilitate conversion between two optical fibers having different architectures, such as different core and/or cladding dimen...  
WO/2020/052744A1
The invention relates to an optical assembly (23), in particular for polarization of a laser beam (30), comprising a plurality of plate-shaped optical elements (5, 6,…) having a beam entry surface (5a, 6a,...) and a beam exit surface (...  
WO/2020/051068A1
A method and a system for etching of semiconductor substrates, and particularly, wet etching of wafers. The etch rate of liquid solutions applied on the wafer is adjusted by irradiating the liquid solutions with spatially varied light in...  
WO/2020/048052A1
A method, device and system for dynamically controlling a gain of a Raman optical fiber amplifier. The method comprises: determining whether a target gain falls within a gain mask range; if the target gain falls within the gain mask rang...  
WO/2020/051515A1
A linear regulator operates in the manner of a linear voltage regulator, but with the functionality of a switching converter. This concept enables DC voltage up-conversion with no switching, more efficient step down of large voltage step...  
WO/2020/051339A1
A pulse configurable laser unit is an environmentally stable, mechanically robust, and maintenance-free ultrafast laser source for low-energy industrial, medical and analytical applications. The key features of the laser unit are a relia...  
WO/2020/051377A1
A photonic lantern couples light from several fibers or fiber cores into one or more fibers or fiber cores. Photonic lanterns are often used to combine several lower-power beams into a single higher-power beam. They can also be used to c...  
WO/2020/048239A1
A high-power optical fiber laser gain optical fiber heat-dissipating device. The whole device is a circular structure, comprises a circular base heat sink (1) and a cylindrical heat sink (2), the outer diameter of a cylinder being slight...  
WO/2020/047977A1
Disclosed is an all-fiber vortex light laser based on resonance of orbital angular momentum modes, the laser having an annular cavity structure, and comprising a narrow-linewidth pump laser (1), an optical amplifier (2), an orbital angul...  
WO/2020/051185A1
Spectrographic measurements are often limited by the amount of light that is available. Photons that are not collected or measured reduce the signal to noise and therefore reduce measurement precision. This invention collects the zero or...  
WO/2020/045569A1
Provided is a cladding mode light removal structure capable of removing cladding mode light while suppressing local heating due to cladding mode light in an inexpensive manner. This cladding mode light removal structure 1 is used to remo...  
WO/2020/047339A1
A fiber amplifier that is particularly configured to provide gain across a large extent of the C-band spectral range (i.e., a gain bandwidth of at least 42 nm, preferably within the range of 46-48 nm) utilizes a specially-designed discre...  
WO/2020/041931A1
Disclosed is a submarine network device, comprising an optical fiber set, a pump laser set, an erbium doped fiber amplifier (EDFA) set, a primary optical fiber coupler (CPL) set, and a secondary CPL set. The primary CPL set comprises N p...  
WO/2020/046646A1
Fiber optic amplification includes a photonic crystal fiber coupled to a pump laser through a first coupler. The pump laser emits a first electromagnetic radiation wave into the photonic crystal fiber at a first oscillation frequency and...  

Matches 151 - 200 out of 57,163