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Matches 1 - 50 out of 55,002

Document Document Title
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/2018/074511A1
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/2018/074105A1
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/2018/071729A1
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...  
WO/2018/060285A1
The invention relates to a laser system with optical feedback, comprising an optical-feedback-sensitive laser (110) which emits, via an output optical fibre (111), a continuous, frequency-adjustable, propagating, source optical wave (L0p...  
WO/2018/062136A1
In order to accomplish highly-efficient nonlinear optical wavelength conversion for terahertz waves by using a simple configuration, an embodiment of the present invention provides a terahertz wave generating device 100 provided with a p...  
WO/2018/061725A1
The present invention provides an optical fiber combiner capable of controlling the generation of intense heat in an optical fiber combiner and reducing the potential damage to the optical fiber and the optical fiber combiner. The optica...  
WO/2018/061284A1
To provide a laser light irradiation device with which it is possible to efficiently perform processing without a reduction in processing quality when a drive current channeled to an excitation semiconductor laser is changed with a chang...  
WO/2018/064368A1
A fiber laser system comprises a main body, wherein the main body includes one or more fiber laser system components and a first wall hingedly attached to the main body along a first edge, the first wall having a first wall open position...  
WO/2018/057468A1
An optical system is provided having a laser configured to generate light having a first laser spectrum with a first linewidth, a waveform generator configured to produce a noise waveform, and an electro-optic phase modulator in optical ...  
WO/2018/055144A1
The present invention benefits from the determination that pre-selected spectral bandwidths that avoid the spectrum of an electronic transition of a metal/alloy vapor allow for welds substantially free from detritus that may discolor the...  
WO/2018/055394A1
A tuneable quantum cascade or interband cascade laser (100) has a gain (medium110), a cavity mirror (20), an interference filter (130) and a positioning (mechanism140). The gain medium (110) has an emission spectrum and the gain medium (...  
WO/2018/053590A1
A Raman Laser device having an nth Stokes shifted output the device including: a laser pump input; a lasing cavity having feedback elements at each end; and a diamond Raman active gain medium within the cavity, exhibiting first and highe...  
WO/2018/056324A1
Provided is a biosensor using a dye-doped organic microdisk structure, the biosensor being provided with a microdisk structure comprising: a clad layer which includes a fluorine-containing hyperbranched polymer; and a core layer which in...  
WO/2018/057567A1
The present disclosure relates, generally, to lasers and, more particularly, to lasers with a setback aperture. In one illustrative embodiment, a laser comprises front and rear resonator mirrors, an output window positioned near the fron...  
WO/2018/055744A1
The laser device (200) according to an aspect of the present disclosure is a laser device (200) provided with one or more amplification units (204) for amplifying laser light emitted from a laser oscillator (202), and an amplification co...  
WO/2018/055653A1
To solve the problem that the power consumption of optical amplifiers is not optimized over the life time of an amplifier, the optical amplifier includes a gain medium for amplifying a plurality of optical channels, the gain medium inclu...  
WO/2018/054088A1
A pump laser package (650) may include an input fiber (205) to send signal light on a first optical path inside a package, a source (215) to send pump light on a second optical path inside the package, and an output fiber (210) on a thir...  
WO/2018/049599A1
A miniature laser system, comprising a base (5) and a laser (2) disposed on the base (5). The miniature laser system further comprises an optical sliding table (4) used to adjust the position of the laser (2). The optical sliding table (...  
WO/2018/051005A1
The invention relates to a device (1) for localized cooling of an organ, said device (1) having: - A rod (10) of elongate shape with a distal end intended to come into contact with an organ that is to be cooled and with: o A cooling elem...  
WO/2018/045701A1
A spectrum regulation apparatus for mid-infrared pulse laser light (B). In the present spectrum regulation apparatus, near-infrared pulse laser light (A) emitted by a near-infrared pulse laser (1) passes through an optical coupling lens ...  
WO/2018/046601A1
A CO2 laser (10) that generates laser-radiation in just one emission band of a CO2 gas-mixture has resonator mirrors (12,14) that form an unstable resonator and at least one spectrally-selective element (24,26) located on the optical axi...  
WO/2018/045898A1
A supercontinuum coherent light source, comprising a laser generating device (1) for generating a laser pulse, a peak laser power density at a beam waist of the laser pulse being 0.47-0.94×1013W/cm2; and a solid sheet set (4) for perfor...  
WO/2018/049052A1
Systems and methods according to present principles provide ways to construct and use tunable exceptional point (EP) singularities in three-dimensional plasmonic nanostructures. Such structures have applications in sensing, communication...  
WO/2018/045597A1
A system includes: a heat sink module with a plurality of first through-holes linking its top and bottom surfaces and a plurality of grooves on the bottom surface, wherein each groove passes through a respective sequence of the first thr...  
WO/2018/046171A1
The invention relates to a resonator mirror (4) for an optical resonator (1) of a laser apparatus (2), in particular a gas or band conduction laser, comprising a reflecting surface (6) having a structured region (5) which extends over a ...  
WO/2018/048602A1
An indication of an output of an optical source of a photolitography system Is accessed; an indication of an input provided to the optical source is accessed, the provided input being associated with t he accessed indication of the outpu...  
WO/2018/047280A1
This laser device is provided with: a chamber with a pair of discharge electrodes arranged therein; a gas supplying and exhausting device which supplies a laser gas into the chamber and exhausts the laser gas that is inside the chamber; ...  
WO/2018/046636A1
A laser pulse contrast ratio measurement device is presented, the device comprising a laser pulse generator for generating a sum frequency laser pulse, the laser pulse generator providing an interaction zone, a beam guide device having a...  
WO/2018/047574A1
A laser beam source (12) is for use in a laser machining device (10), and oscillates in response to a trigger signal (S1) to generate a laser pulse (6). The laser pulse (6) is radiated by an optical system onto an object (2). A control d...  
WO/2018/047867A1
The present embodiment relates to, for example, an optical amplifier comprising a structure for enabling efficient utilization of excitation light while avoiding complication of the device structure. In the optical amplifier, a coupling ...  
WO/2018/043289A1
The present invention achieves a chirped fiber grating element with less heat generation in the vicinity of an incident end surface than the conventional. Along with making a grating (11a) pitch Λi become larger with increasing distance...  

Matches 1 - 50 out of 55,002