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Matches 1 - 50 out of 55,434

Document Document Title
WO/2018/188118A1
Provided is a laser excitation device, comprising a laser excitation apparatus (1), and an optical conversion medium (2) arranged facing a laser-emergent end (11) of the laser excitation apparatus (1) and maintaining a set distance from ...  
WO/2018/184943A1
A laser amplifier system (1) having a two-stage compressor system for outputting output laser pulses (13A) by amplifying initial laser pulses (5A) comprises a fibre laser preamplifier unit (7) for preamplifying the initial laser pulses (...  
WO/2018/186082A1
In the present invention, the variation in responsiveness of an output current due to the fluctuation of an input voltage is reduced by a control device (CM) that includes a current fluctuation reduction control means (CFC) which is a re...  
WO/2018/184609A1
The present patent application discloses optical arrangements that can be used to generate multiple addressable beams efficiently. The central concept of the present invention is that a number of useful beams are first generated, the use...  
WO/2018/187571A1
The present disclosure relates to novel and advantageous VCSELs and VCSEL arrays. In particular, the present disclosure relates to novel and advantageous VCSELs and VCSEL arrays having, or patterned in, unique shapes, including rectangul...  
WO/2018/184615A1
The application relates to a machining robot (1) for machining workpieces using a laser beam (2), in particular a machining robot (1) having six axes, wherein the laser beam (2) is to be directed, especially by deflecting means, substant...  
WO/2018/185907A1
According to the present invention, laser beams emitted from a plurality of solid-state laser oscillators (S1, S2, S3, S4) are respectively incident on a beam expander (L1) along a plurality of different paths, and the laser beams emitte...  
WO/2018/185757A1
A laser system, comprised of: a laser cavity; a gain medium a pump, a saturable absorber (SA); a first mirror and a second mirror; wherein a ratio of an area of the laser beam within the gain medium to an area of the beam area within the...  
WO/2018/181213A1
An optical frequency comb generator 11 generates an optical frequency comb A which is a pulse laser beam represented by an aggregate of multiple line spectra having a given repetition frequency frep. An offset frequency fceo detection un...  
WO/2018/178537A1
Optical refrigerator, in particular for cooling an infrared detector or sensor, the refrigerator (1) comprising a source (2) of laser radiation, a cooling crystal (3) configured to receive the laser radiation of the source (2) and to get...  
WO/2018/178964A1
The present application describes embodiments of a stimulated Raman scattering (SRS) spectroscope based on a passive Q-switch system for high-resolution, real-time, on-site and multi-point industrial molecular analysis.  
WO/2018/179642A1
This gas laser device (1) is provided with: a gas laser tube (10) for generating laser light by exciting gas sealed in an internal space (12); and a window member (20) attached to one axial end side of the gas laser tube (10), wherein th...  
WO/2018/183683A1
The ultra-short pulse chirped pulse amplification (CPA) laser system and method of operating CPA laser system include outputting nearly transform limited (TL) pulses by a mode locked laser. The system and method further include temporari...  
WO/2018/181133A1
The present invention provides a cladding mode light removal structure capable of effectively removing cladding mode light while suppressing heat generation in the coating of an optical fiber. A cladding mode light removal structure 1 is...  
WO/2018/177768A1
The invention describes a method and a device for creating a phase modulated ultrashort laser pulse (12), comprising the following steps: - an initial ultrashort laser pulse (1) is split into a first laser pulse (3) and a second laser pu...  
WO/2018/171206A1
A doped fiber amplifier and a work method thereof. The doped fiber amplifier comprises: a seed source (10) for inputting signal light; a first isolator (20) connected to the seed source (10); a coupler (30) connected to the first isolato...  
WO/2018/173844A1
A spread angle measurement device (15) monitors the spread angle of a laser light propagating within an optical fiber (F) that has a core and a cladding. The spread angle measurement device is provided with a first light detector (31) th...  
WO/2018/173101A1
This laser processing device (100) is characterized by being provided with: a plurality of oscillators (1a, 1b, 1c, 1d, 1e) which emit laser beams having different wavelengths; a processing head (301) which irradiates an object (202) to ...  
WO/2018/175454A1
A spectral feature of a pulsed light beam produced by an optical source is adjusted by receiving an instruction to change a spectral feature of the pulsed light beam from a value in a first target range to a value in a second target rang...  
WO/2018/166741A1
Disclosed is gas delivery system which is suitable for a high harmonic generation (HHG) radiation source which may be used to generate measurement radiation for an inspection apparatus. In such a radiation source, a gas delivery element ...  
WO/2018/169289A1
The present invention relates to an optical fiber laser generation apparatus and, in particular, to an active mode-locked optical fiber laser generation apparatus for generating laser light having a discontinuously-changed wavelength.  
WO/2018/167975A1
This laser oscillation device (100) comprises a laser light source (17) and a partial reflection mirror (14) between which there are disposed: wavelength plates (31, 32) which change the polarization direction of laser beams emitted from...  
WO/2018/168593A1
[Problem] To provide an optical amplification module capable of amplifying an optical signal by efficiently using the optical power of excitation light. [Solution] This optical amplification module comprises: a light output means 1; a fi...  
WO/2018/167797A1
Present invention provides a system and methodology for artificial rain making through use of drone aircraft remote control system or Unmanned Ariel Vehicle using principle of endothermic reaction. The mega UAV fitted with pen tax digita...  
WO/2018/169202A1
An optical waveguide sensor and a concentration measuring system using the same are provided. An optical waveguide sensor according to an embodiment of the present invention comprises: an optical waveguide for obtaining first light from ...  
WO/2018/162356A1
The invention relates to a method and a laser assembly for material processing, wherein, in a laser assembly, a laser beam is focused onto a processing/imaging plane and the laser beam can be adapted in terms of its intensity distributio...  
WO/2018/163152A1
An optical transmitter is provided which is configured to transmit coherent electromagnetic signals being chirp optical signals, having a plurality of frequency changes that occur over time. The optical transmitter comprises: an illumina...  
WO/2018/161686A1
The present invention relates to the technical field of optical communications. The present invention relates to a dual-rate DML device and module, and a calibration method, and in particular, to a dual-rate DML device and module having ...  
WO/2018/163489A1
According to the present invention, a bandpass filter (3a-3c) is configured to allow passing therethrough of a light beam in a prescribed band including a wavelength band of the color of a laser beam to be detected, from among light beam...  
WO/2018/158129A1
A xenon chloride (XeC1) excimer laser (12) includes a lasing-gas mixture including a buffer gas, a noble gas, a halogen-donating gas, and deuterium. The deuterium is present in a concentration greater than about 10 parts-per-million.  
WO/2018/159445A1
An optical comb control method to which the present invention is applied comprises a control step of controlling a difference between a first frequency offset and a second frequency offset using: a first optical comb which has a first fr...  
WO/2018/158261A1
According to one aspect, the present description relates to a laser source for emitting a group of pulses, comprising: a primary laser source (22) that is suitable for emitting at least one primary laser pulse; at least one interferomete...  
WO/2018/158448A1
The invention relates to a device for generating amplitude-modulated laser radiation, with a splitting element (2) that splits a laser beam (1) between at least two beam holes, at least one optical amplifier (3, 7) that amplifies the las...  
WO/2018/157799A1
An optical pulse signal generation method comprises: generating high-frequency microwave signals by means of a passive mode-locked laser, and extracting a high-frequency harmonics signal from the high-frequency microwave signals; inputti...  
WO/2018/156679A1
A semiconductor device includes a plurality of VCSEL devices (or VCSEL device) formed from a layer structure that includes bottom n-type layer(s), intermediate p-type layer(s), an n-type modulation doped quantum well structure formed abo...  
WO/2018/153620A1
A laser-activated remote phosphor (LARP) target with a first layer having a first index of refraction and a phosphor dispersed within the first layer. A second layer which has a second index of refraction different from the first index o...  
WO/2018/155526A1
[Problem] To facilitate switching between a wideband mode of a wide wavelength-variable range and a high-output mode of a high output near a gain peak, in a laser device for wavelength variable laser resonance ionization. [Solution] This...  
WO/2018/154771A1
A laser device equipped with a master oscillator for emitting a laser beam, a laser amplifier positioned on the optical path of the laser beam, a transmission optical system positioned on the optical path between the laser amplifier and ...  
WO/2018/152594A1
Disclosed herein is an optical plural-comb generator (10). The optical plural-comb generator (10) comprises a plurality of mode-locked lasers (12,14) that are mechanically coupled and optically independent. The optical plural-comb genera...  
WO/2018/153462A1
A pulse laser apparatus (100) for creating laser pulses (1), in particular soliton laser pulses (1), based on Kerr lens mode locking of a circulating light field in an oscillator cavity (10), comprises at least two resonator mirrors (11,...  
WO/2018/150459A1
This laser diode driving power source 100 of a laser machining device 200 that irradiates a workpiece 300 with a laser emitted from an LD 20 thereby machining the workpiece 300, is characterized by being provided with: a power converter ...  
WO/2018/152478A1
A combination of microvalves and waveguides may enable the creation of reconfigurable on-chip light sources compatible with planar sample preparation and particle sensing architecture using either single-mode or multi-mode interference (...  
WO/2018/151911A1
An additive manufacturing system includes a laser array including a plurality of laser devices. Each laser device of the plurality of laser devices generates an energy beam for forming a melt pool in a powder bed. The additive manufactur...  
WO/2018/150530A1
This extreme ultraviolet light generating device is provided with: (A) a chamber; (B) an optical unit; (C) a chamber reference member that is provided with a housing chamber for housing the optical unit; (D) a height positioning mechanis...  
WO/2018/150547A1
This laser device comprises: a master oscillator which emits a laser beam; an amplifier which is disposed along the light path of the laser beam emitted by the master oscillator; a beam splitter which is disposed between the master oscil...  
WO/2018/152338A1
The present disclosure relates to systems and methods for reducing thermal effects in double- clad optical fiber amplifying systems via control of the pump absorption. One optical fiber amplifying system for reducing thermal effects incl...  
WO/2018/151762A1
An apparatus includes an optical fiber (100, 500) configured to transport an optical signal. The optical fiber includes a core (102, 502) configured to receive and amplify the optical signal. The optical fiber also includes end features ...  
WO/2018/151581A1
The present invention relates to a laser scribing device comprising: a laser light source for outputting a laser beam; a splitter for dividing the laser beam into a first laser beam and a second laser beam; a beam expander telescope for ...  
WO/2018/146819A1
A laser oscillation device (100) is provided with an external resonator (10) constituted of: laser mediums (11, 12) that emit laser beams of different wavelengths; and a partial reflection mirror (14) that transmits some of the laser bea...  
WO/2018/148375A1
A resonator is provided having a waveguide with a first boundary, a second boundary parallel to the first boundary, a first end, a second end, and a waveguide cavity at least partly between the first boundary and the second boundary. A f...  

Matches 1 - 50 out of 55,434