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Patent Searching and Data


Matches 551 - 600 out of 56,407

Document Document Title
WO/2018/095924A1
The invention relates to a method for exciting a crystal (5A) of a Pockels cell (5) with high-voltage pulses for a polarization adjustment of electromagnetic radiation passing through the crystal (5A), in particular laser radiation (33)....  
WO/2018/097281A1
[Problem] To highly reliably supply excitation lights having differing distribution ratios to a plurality of fiber optic amplifiers. [Solution] The present invention has a plurality of fiber optic amplifiers (101, 112), and an asymmetric...  
WO/2018/096770A1
Provided is a photoacoustic measurement device whereby even a single failure state can be appropriately detected, and it can be ensured that operation in the single failure state is not continued. The present invention is provided with: ...  
WO/2018/097074A1
[Problem] To provide: a device that supplies, respectively to optical fiber amplifiers each corresponding to a plurality of wavelength bands, highly reliable excitation light for which wavelength dependency has been taken into considerat...  
WO/2018/094349A1
A multiple wavelength laser processing system is configured with a multiple wavelength laser source for generating a multiple wavelength coaxial laser processing beam. The laser processing system further includes a multiple wavelength op...  
WO/2018/092281A1
[Problem] To provide a laser device comprising a plurality of optical shutters which are serially arranged in the optical path of laser light and which perform an opening/closing operation, wherein the timing of opening of each optical s...  
WO/2018/091880A1
A method and apparatus for passively synchronising the repetition rate of two or more mode-locked lasers is described. The method and apparatus involve forming a first synchronising optical field (6) by separating a portion of an output ...  
WO/2018/092813A1
Provided is a laser resonator which is resistant to optical damage, and which can maintain single-transverse-mode oscillation. The laser resonator comprises: a set of optical elements which form a first optical path having a tightly narr...  
WO/2018/091552A1
The invention relates to a a device for generating output laser pulses having a tunable central wavelength (1), on the basis of a parametric amplification. The aim of the invention is to provide a laser system, which has reduced complexi...  
WO/2018/092946A1
The purpose of the present invention is to provide an atomic beam shutter which is configured to be opened and closed using a piezoelectric bending actuator, thereby being unaffected by a magnetic field, having good compatibility in an u...  
WO/2018/087845A1
A planar waveguide (10) is provided with: a flat plate-shaped core (11) via which light propagates; exterior claddings (12, 13) provided on both sides of the core (11), the exterior claddings (12, 13) having a higher reflectivity with re...  
WO/2018/086816A2
Disclosed is an illumination source apparatus comprising a high harmonic generation medium, a pump radiation source and a spatial filter. The pump radiation source emits a beam of pump radiation having a profile comprising no pump radiat...  
WO/2018/087895A1
[Problem] In a laser device in which pulsed laser light emitted from a master oscillator is passed through an optical shutter that opens by a high-voltage pulse being applied thereto, to align the timing of application of the high-voltag...  
WO/2018/086618A1
A narrow line-width laser, comprising: a passive annular waveguide (1); a passive first input/output waveguide (2), coupled to the passive annular waveguide (1); a gain and wavelength-selection unit, configured to provide gains for the e...  
WO/2018/084048A1
An optical amplifier of the present disclosure comprises an optical resonator which includes an amplifying fiber capable of amplifying signal light including one or more propagation modes, and which causes at least one propagation mode i...  
WO/2018/082218A1
A rare earth ion co-doped optical fiber-based dual-wavelength synchronous pulse fiber laser, comprising: a continuous light LD pump source (103), a rare earth ion co-doped optical fiber (105) and a resonant cavity; the continuous light L...  
WO/2018/085509A1
A solid-state optical amplifier is described, having an active core and doped cladding in a single chip. An active optical core runs through a doped cladding in a structure formed on a substrate. A light emitting structure, such as an LE...  
WO/2018/084377A1
The present invention relates to a deformable mirror compensation device. A deformable mirror compensation device of the present invention comprises: a stationary plate having a first surface and a second surface that are opposite each o...  
WO/2018/083741A1
A laser irradiation device of the present disclosure is a laser irradiation device that irradiates a to-be-processed part of a substrate with a laser, wherein the laser irradiation device is provided with: a head having a laser light sou...  
WO/2018/076522A1
Disclosed is a saturable absorption mirror of a composite structure, comprising: a substrate (10), a buffer layer (20) on the substrate, a distributed Bragg mirror (30) on the buffer layer, a quantum dot saturable absorber (40) or a quan...  
WO/2018/081711A1
A tissue imaging system includes a laser module for outputting a laser pulse, an optical delay module configured to split a laser pulse received from the laser module into a plurality of time-delayed sub-pulses, a telescope for deliverin...  
WO/2018/076226A1
A multi-color laser modulation system, comprising: a multi-color laser device (1), a radio frequency signal generator (3), a frequency mixer (4), and an acousto-optic modulator (2); the radio frequency signal generator (3) generates at l...  
WO/2018/079914A1
The present invention relates to a wavelength locking structure of a tunable laser, which is more compact and economical compared to a conventional method, and a wavelength locking method of a tunable laser. The wavelength locking struct...  
WO/2018/075246A1
A spectral feature selection apparatus includes a dispersive optical, element arranged to interact with a pulsed light beam; three or more refractive optical elements arranged in a path of the pulsed light beam between the dispersive opt...  
WO/2018/072295A1
Provided is a multi-wavelength single-frequency optical fiber laser source for a laser radar system, comprising: a resonant cavity composed of a high-reflectivity chirped optical fiber grating (1), a high gain optical fiber (2), and a lo...  
WO/2018/075248A1
A spectral feature of a pulsed light beam produced by an optical source is controlled by a method. The method includes producing a pulsed light beam at a pulse repetition rate; directing the pulsed light beam toward a substrate received ...  
WO/2018/073634A1
According to a first aspect, the present disclosure relates to a laser source for emitting radiation in a given emission spectral band, centered on a given emission angular frequency (ω), said the central emission angular frequency. The...  
WO/2018/044363A3
An artificial saturable absorber uses additive pulse mode-locking to enable pulse operation of an on-chip laser operation. Four different artificial saturable absorbers are disclosed. The first includes an integrated coupler, two arms ea...  
WO/2017/059314A8
An optical source for a photolithography tool includes a source configured to emit a fist beam of light and a second beam of light, the first beam of light having a first wavelength, and the second beam of light having a second wavelengt...  
WO/2018/041944A3
The invention relates to an electromagnetic assembly for generating a light pattern comprising a super luminescent diode chip and a diffractive optical element which is designed to generate a light pattern from electromagnetic radiation ...  
WO/2018/074511A1
A seed light unit (MO) as a fiber laser device is provided with: a plurality of optical paths which are partly shared and in which light resonates; an amplifying optical fiber (13) which constitutes a part of each of the optical paths an...  
WO/2018/044813A4
A laser cooling system includes a first tubing, a second tubing, and a cold plate assembly including a first channel to receive the first tubing and a second channel to receive the second tubing. A joint removably couples the first tubin...  
WO/2018/074105A1
A laser irradiation device is provided with transparent first and second rotating plates 4A, 4B which are disposed at inclinations at opposite angles to each other on an optical path for a laser beam array 3 formed from a plurality of la...  
WO/2018/069930A1
A single loop hardware-based system for producing laser pulses in a microsecond scale operational mode includes a GUI to enable a user to select the operational mode of the system; a laser source for producing one or more laser beam puls...  
WO/2018/011306A3
In a method for generating a laser pulse of an excitation laser (3), which is actuated by a driver, in response to a triggering time of a trigger signal, the driver actuation signal (218 - 220) is generated taking into account the time i...  
WO/2018/071729A1
Techniques and devices for optical sensing of rotation based on measurements and sensing of optical polarization or changes in optical polarization in light waves in an optical loop due to rotation without using optical interferometry an...  
WO/2018/071756A1
The present disclosure relates to systems and circuits that may facilitate sub-5 nanosecond laser diode operation. An example system includes a trigger source, a laser diode, a first field effect transistor and a second field effect tran...  
WO/2018/071844A1
Methods for synthesizing fibers having nanoparticles therein are provided, as well as preforms and fibers incorporating nanoparticles. The nanoparticles may include one or more rare earth ions selected based on fluorescence at eye-safer ...  
WO/2018/070412A1
A laser device is provided with a light source 10 which can output infrared light in a switchable manner between pulsed light and continuous light, and a wavelength conversion element 50 which converts the wavelength of infrared light wi...  
WO/2018/071712A1
In an example, a tandem pumped fiber amplifier may include a seed laser, one or more diode pumps, and a plural core fiber including a first core and a second core, the second core surrounding the first core. The plural core fiber may inc...  
WO/2018/067204A1
In one aspect, a transparent heat exchanger (300) includes a first transparent substrate (306) optically attached to a heat source (326) like a laser amplifier, one or more fins (344) to transfer heat from the heat source (326), the one ...  
WO/2018/067864A1
The disclosure generally relates to medical systems, devices and methods, and more particularly relates to dispersing heat during energy delivery to a tissue. The device may comprise two layers - a first layer which is optically transpar...  
WO/2018/067837A1
A reflectarray metasurface for quantum-cascade lasing includes: (1) a substrate; and (2) an array of subcavities disposed on the substrate. Each subcavity in the array of subcavities includes (a) a first metallic layer disposed on the su...  
WO/2018/066470A1
In order to provide an optical fiber having a smaller temperature increase than conventional optical fiber, the present invention comprises a core (11) and a primary coating (12) having a lower refractive index than the core (11) and cov...  
WO/2018/066148A1
The present invention comprises a core (11) and a primary coating (12) having a lower refractive index than the core (11) and covering a side surface of the core (11) excluding a coating-removed section (10). The side surface of the core...  
WO/2018/067383A1
An Nd3+ optical fiber laser and amplifier operating in the wavelength range from 1300 to 1450 nm is described. The fiber includes a rare earth doped optical amplifier or laser operating within this wavelength band is based upon an optica...  
WO/2018/058896A1
Disclosed is a frequency stabilization device for a laser interferometer, comprising a circuit control system (9), a laser (2), a guiding light path, a frequency stabilization light path and a laser output light path. The guiding light p...  
WO/2018/061210A1
[Problem] To correct wavelength dispersion in a discharge excitation-type laser device. [Solution] This laser device is provided with: first wavelength dispersion elements (14a-14e) which perform wavelength dispersion in a direction orth...  
WO/2018/060045A1
The invention relates to a short-pulse laser system comprising a first resonator, a second resonator, and an amplification means for amplifying the electromagnetic pulses both in the first resonator as well as in the second resonator. Th...  
WO/2018/061098A1
[Problem] To reduce the heat load applied to a band-narrowing optical system, in a discharge excitation-type laser device provided with the band-narrowing optical system. [Solution] This laser device is provided with: a laser chamber (10...  

Matches 551 - 600 out of 56,407