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Matches 51 - 100 out of 56,632

Document Document Title
WO/2019/246053A1
A laser master-oscillator power-amplifier (MOPA) is operated to provide successive bursts of ultrashort pulses. The pulse-bursts are selected by an optical modulator from a pulse train delivered by the master oscillator prior to amplific...  
WO/2019/244660A1
[Problem] To easily measure and detect a failure part of a long-distance optical cable by low-cost equipment in a configuration in which an isolator is disposed in the vicinity of an optical amplifier in order to improve and stabilize op...  
WO/2019/245996A1
Techniques of deriving audio signals using frequency modulated continuous-wave (FMCW) LIDAR use an acceleration-based algorithm in which an audio signal is based on a difference in velocity between two up-chirps or two-down-chirps. Such ...  
WO/2019/246598A1
An optical combiner includes a rotating mirror configured to rotate through a range of angular displacement. During a first time period, the rotating mirror is disposed at a first angular displacement, and is configured to receive a firs...  
WO/2019/147327A3
A fiber amplifier system including an optical source providing an optical seed beam and an FM electro-optic modulator (EOM) that frequency modulates the seed beam to broaden its spectral linewidth. The system also includes an AM EOM that...  
WO/2019/246418A1
A beam steering system for a free-space laser communication system in a satellite includes a laser that emits a laser beam, a liquid lens assembly with at least one liquid lens to change the direction of the laser beam, and an amplifying...  
WO/2019/242261A1
A laser beam array imaging device (10), comprising: a lamp panel (1) that is used for emitting a laser beam, a first drive assembly (2) that is used for driving the lamp panel (1) to move longitudinally, and an imaging bottom plate (3) t...  
WO/2019/245027A1
The present invention addresses the problem that fiber lasers that have conventionally been proposed as a white light source, which is an important device for measuring the wavelength-dependent characteristics of optical fibers and optic...  
WO/2019/245032A1
The present invention is provided with: a plurality of first optical fibers (3); an optical combiner (10) connected, at one end surface thereof, to one end surface of each of the first optical fibers (3); a second optical fiber (5) conne...  
WO/2019/242555A1
The present application provides a wavelength tunable laser device, which can reduce the complexity of laser wavelength tuning. The laser comprises a reflective gain unit, an optical phase shifter, a coupler, and a passive filter unit ar...  
WO/2019/238417A1
The invention relates to an assembly (5) for reducing a spectral bandwidth of an output beam (3) of a laser (1). The assembly (5) has a beam expansion optic (6) arranged within a laser resonator. Said beam expansion optic functions to in...  
WO/2019/240171A1
The purpose of the present invention is to realize a fiber laser system in which failure due to Stokes oscillation is less likely to occur. This invention is provided with: a plurality of fiber laser units (FLU1-FLU7); a combiner OC for ...  
WO/2019/240064A1
The purpose of the present invention is to achieve efficient conversion of a beam profile of a laser beam using a simple configuration. The present invention is provided with: a first optical fiber which outputs guided light from a first...  
WO/2019/216948A3
An on-chip laser includes a gain portion, a mirror in communication with the gain portion, a waveguide in communication with the gain portion, and a resonator optically coupled to the waveguide at an optical coupling. The resonator has a...  
WO/2019/240582A1
A storage control system (10) for controlling a storage space parameter of a storage space (100) for produce (110), the storage control system (10) comprising a (i) controller (300) and (ii) a gas sensor system (200) configured to analyz...  
WO/2019/238837A1
The invention relates to a laser system characterised in that it comprises a laser source having a locking range around a free frequency f0, an optical resonator arranged at the output of the laser source and having a resonance mode with...  
WO/2019/233899A1
The present description relates to, according to one aspect, a system (10) for generating high peak power laser pulses comprising at least one first light source (101) for emitting first nanosecond laser pulses (IL), a fibre device (110)...  
WO/2019/233900A1
According to one aspect, the present disclosure relates to a system (10) for generating high peak power laser pulses comprising at least a first light source (101) for emitting first laser pulses (IL), a fibre device (110) for carrying s...  
WO/2019/234621A1
A frequency double or mixing laser includes a laser pump, a rear optical element, a Brewster window, a laser generator medium, an output coupler and a nonlinear crystal located inside the resonator cavity. The nonlinear crystal may be lo...  
WO/2019/233012A1
An all-fiber transverse mode switchable high-order mode Brillouin laser. The laser comprises a narrow linewidth pump laser (1), an optical amplifier (2), a 1*N optical switch (3) where (N ≥ 2), an optical fiber mode selection coupler g...  
WO/2019/229415A1
Apparatus and methods for jet impingement cooling are provided. In one arrangement, a fluid channelling structure engages against a target surface to define a flow volume. Fluid is jetted onto the target surface from inlets and is remove...  
WO/2019/229823A1
This optical pulse stretcher is provided with: a separation optical element which separates a pulse laser beam entering a first surface into first transmitted light and first reflected light; a reflective optics system which guides and c...  
WO/2019/229620A1
A system includes a laser (1) operative to emit a light beam, a beam splitter (2) arranged to split the light beam into a first beam and a second beam, the first beam being directed to a nonlinear converter (8) that generates a signal be...  
WO/2019/224822A1
A laser system, comprising: a laser cavity, a gain medium positioned within the laser cavity, a pump source optically coupled to the gain medium, an input mirror positioned at a first end of the laser cavity, an output coupler positioned...  
WO/2019/225174A1
A processing head (20) comprising a collimating lens (21) for converting laser light emitted from the emission end of a delivery fiber (12) into collimated light, and a focusing lens (22) for focusing and shining the collimated light ont...  
WO/2019/225446A1
Provided is a crystal fiber manufacturing method with which it is possible to suppress the occurrence of stress birefringence, while making the light emission center distributed in a concentrated manner at the cross-sectional center. The...  
WO/2019/224180A1
The invention relates to a transmission device (16) for emitting light pulses (18a, 18b), to a detection device (12) for detecting objects (14), and to a method for emitting light pulses (18a, 18b). The transmission device (16) comprises...  
WO/2019/221147A1
This method of producing a substance comprises a producing step of producing a new substance by, in a state in which a raw material that absorbs giant pulse laser light is disposed inside a base material or in a state in which the base m...  
WO/2019/218634A1
A control method for a laser (30), an electronic control apparatus (300), the laser (30), a laser drilling device, and a storage medium. The control method for the laser (30) comprises: collecting a rising edge or falling edge of a contr...  
WO/2019/222723A1
A visual impairment device includes a power supply, an intense light source having two or more beams of intense light with different peak wavelengths and a wavelength bandwidth less than 50 nm, a modulator and a control circuit. The modu...  
WO/2019/221034A1
A laser device 10 is provided with a laser oscillator 20 which emits laser light, and an optical unit 16 which receives the laser light and outputs the laser light externally. The optical unit 16 comprises: a partial transmission mirror ...  
WO/2019/220430A2
Methods and apparatuses for manipulating and modulating of laser beams. The methods and apparatuses enable activating and deactivating of laser beams, while the laser systems maintain their operating power. Further, a hybrid pump module ...  
WO/2019/218264A1
The present invention discloses a thulium-doped fiber laser amplifier, which comprises a pump source, a wavelength division multiplexer, a thulium-doped fiber, and a wavelength decomposition multiplexer. The thulium-doped fiber is a doub...  
WO/2019/221353A1
Provided is a hypertube system comprising: a hypertube vehicle; a tube unit surrounding a travel route of the hypertube vehicle; one or more LIDAR sensors which comprise a laser transmission unit for irradiating a laser toward the hypert...  
WO/2019/220863A1
Provided is an optical pulse pair generation device that generates an optical pulse pair that includes first pulse light and second pulse light, which each have a central wavelength with a predetermined wavelength difference and which ar...  
WO/2019/219101A1
The present invention relates to a laser system and a method of generating a defined spatial mode-shaped laser beam using an unstable laser resonator layout. The laser system for mode shaping of a laser beam (7) within an unstable optica...  
WO/2019/218827A1
The present invention relates to a laser light source based on the application of OCT spectral analysis. The laser light source comprises: a laser module; a temperature control circuit, connected to the laser module and used for detectin...  
WO/2019/221480A1
A laser irradiating device is disclosed. The laser irradiating device preferably comprises: a reflector having a receiving space formed therein; a flash lamp inserted and mounted in the reflector to generate light; a laser rod for resona...  
WO/2019/216921A1
An apparatus includes a thermally conductive housing (102) including a reflective chamber (110), the reflective chamber (110) including a reflective surface (120) on a first side of the reflective chamber (110) and an orifice (130) on a ...  
WO/2019/217180A1
A substrate processing system includes a processing chamber, a substrate support, a laser, and a collimating assembly. The substrate support is disposed in the processing chamber and is configured to support a substrate. The laser is con...  
WO/2019/215798A1
A laser device (100A) comprising a plurality of laser modules, wherein the laser device (100A) comprises: a plurality of drive power source units that drive the laser modules; a plurality of output detection units that detect the laser o...  
WO/2019/217404A1
A method of cutting a glass sheet comprising a transparent oxide glass includes directing a laser beam from a middle-infrared (mid-IR) laser source onto a major surface of the glass sheet. A wavelength of the laser beam is tuned thereby ...  
WO/2019/217771A1
Within examples, a laser includes a first electrode and a second electrode; a first transport layer and a second transport layer that are between the first electrode and the second electrode; a gain layer positioned between the first tra...  
WO/2019/214146A1
Disclosed are a multi-laser drive current correction method and apparatus, and a laser projector. One specific embodiment of the method comprises: within a projection time period of an nth pixel point: sequentially driving a plurality of...  
WO/2019/214200A1
A laser pulse power control method, a pulse optical fiber laser device (3), and a laser cutting system. Said method comprises: acquiring an analog input signal and receiving a laser control pulse signal (S101); detecting the laser contro...  
WO/2019/211827A1
A method for extending scatterometry measurements of periodic structures created on a substrate into the deep UV and soft X-ray regions of the electromagnetic spectrum is presented. The method comprises measuring the scattering of a high...  
WO/2019/211638A1
Improved low power therapy laser device (10) comprising a housing (11), a laser light source arranged in the housing (10), a beam expander (18) arranged in the beam path of the laser and diverting lenses (19) in front of the beam expande...  
WO/2019/213339A1
Methods and apparatus for increasing reflectivity of an aluminum layer on a substrate. In some embodiments, a method of depositing an aluminum layer on a substrate comprises depositing a layer of cobalt or cobalt alloy or a layer of tita...  
WO/2019/211837A1
Laser systems and methods configured to reconstruct an image of an object from an input comprising: the object's scattered intensity distribution (SID) and the object's compact support; the system comprising: a first lens and a second le...  
WO/2019/212735A1
A method and apparatus for characterizing an optical element. The optical element is part of a laser and is mounted on a translation stage to scan the optical element transverse to an intracavity laser beam. A performance characteristic ...  

Matches 51 - 100 out of 56,632