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Matches 601 - 650 out of 57,378

Document Document Title
WO/2019/062844A1
A femtosecond laser multi-modal molecular imaging system. A near-infrared waveband generation apparatus (1011) is used to provide a near-infrared waveband pulse, the central wavelength of same being 1010 nm to 1100 nm and the spectral wi...  
WO/2019/064489A1
Provided is a fiber laser system with which it is possible to modify a power cumulative distribution of an output light diverging angle without using a spatial optical system. An output combiner (OC) generates output light including lase...  
WO/2019/067034A1
A laser system (20) includes a master oscillator (22), which emits a train of optical seed pulses with variable intervals between the pulses. An optical power amplifier (26) includes an optical gain medium (38), which receives and amplif...  
WO/2019/064302A1
A method of providing in-line Raman amplification in an optical fiber sensing system, including the procedures of generating a probe light having a probe wavelength, transmitting the probe light into an optical fiber, generating at least...  
WO/2019/062055A1
A laser array, comprising at least one row of lasers, the least one row of lasers comprising first lasers (11) and second lasers (12) adjacent to each other. First laser light emitted by the first lasers (11) and second laser light emitt...  
WO/2019/060547A1
A tunable laser device is described. In one example, the tunable laser device includes an adaptive ring mirror, a gain waveguide, a loop mirror waveguide, and a booster amplifier waveguide. The gain waveguide and the boost amplifier wave...  
WO/2019/060495A1
A device for measuring an increment on a surface comprises a housing having a left light source, a right light source and center light source each configured to project a light beam onto a target surface. Each light source is independent...  
WO/2019/058618A1
This glass composition contains, in terms of mol%, 40-80% of Ga2O3 and 0-60% (exclusive of 0%) of a rare earth oxide, and has a maximum phonon energy of 730 cm-1 or less.  
WO/2019/060140A1
Apparatuses, methods, and systems for detecting a substance are disclosed. One system includes a light source, an optical cavity, a cavity detector, and a processor. The light source generates a beam of electro-magnetic radiation, wherei...  
WO/2019/056722A1
A fiber laser comprises a pump source (11), an annular optical path (10), a tuning device, and a current adjustment device. The pump source provides pump light for a resonant optical path. The tuning device is disposed on the annular opt...  
WO/2019/058176A1
In various embodiments, one or more optical elements are utilized to alter the numerical aperture of a radiation beam received from an optical fiber in order to accommodate the properties of a downstream collimator within a laser deliver...  
WO/2019/060164A1
An apparatus includes: a gas maintenance system having a gas supply system fluidly connected to one or more gas discharge chambers; a detection apparatus fluidly connected to each gas discharge chamber; and a control system connected to ...  
WO/2019/013862A3
A Raman fiber laser source is configured with a feeding fiber delivering MM pump radiation to an inner cladding of double-clad MM Raman fiber laser. The MM pump beam radiation has a sufficient power to produce Raman scattering in the MM ...  
WO/2019/055247A1
A method and apparatus for controlling a dose of radiation generated by a laser light source is disclosed. In one embodiment, a dose controller receives measurements of the deviation of output energy from an expected output energy, or "e...  
WO/2019/053487A1
A laser or amplifier optical device comprising a gain element (101, 32), a pump unit operatively arranged to pump the gain element into a condition of population inversion, wherein it can amplify a main optical signal with an amplificati...  
WO/2019/032571A3
A pump dump or cladding mode stripper is used to remove unwanted light from the cladding of an optical fiber. Total internal reflection at the interface between the cladding and air is prevented by texturing the cladding's outer surface ...  
WO/2019/055056A1
A compact system for active co-boresight measurement includes a detector, a steering mirror, and a controller. The detector detects a portion of a transmission beam emitted by a transceiver and a portion of a received beam that is receiv...  
WO/2019/048608A1
The invention relates to an optical module (2) for a machine (1) for machining workpieces and/or for producing molded bodies by way of location-selective solidification of material powder into contiguous regions by means of a laser beam....  
WO/2019/048657A1
The invention relates to a device and a method for determining the beam position of a laser beam, comprising a beam splitter for coupling a secondary beam out of the laser beam and an optical position sensor which is arranged in the seco...  
WO/2019/049694A1
A laser device (1) oscillates a plurality of pulses of output light (200) obtained by amplifying light emitted from a laser medium (26) which emits light by absorbing excitation light (100) and to which ytterbium has been added. A spatia...  
WO/2019/048610A1
The present invention relates to an optical module (2) for a machine (1) for machining workpieces and/or for producing moulded bodies by location-selective solidification of material powder to form connected regions by means of a focused...  
WO/2019/047900A1
An optical system allows sharing of optical components and seed and pump light to achieve desired optical amplification in laser light while reducing the number of optical components and complexity of the overall optical system and achie...  
WO/2019/050724A1
A laser apparatus includes an optic dispersion compensator. In another aspect, an optic (40, 45) uses phase wrapping to compress or stretch a laser pulse. A further aspect includes an apparatus and method for binary-phase compression of ...  
WO/2019/048611A1
The present invention relates to a focusing module (13) for a machine (1) for machining workpieces and/or for producing shaped articles by location-selective solidification of material powder to form contiguous regions by means of a lase...  
WO/2019/047507A1
An optical fiber laser, comprising a pumping light source (140), a resonant optical circuit (110), a tuning device (120) and a current adjustment device; the pumping light source provides pumping light for the resonant optical circuit; t...  
WO/2019/042191A1
The present invention relates to a class of erbium ion-doped silicate crystals and a 1.5 μm band laser device using the same. The crystal of the present invention has a general chemical formula of (ErxYbyCezA(1-x-y-z))3RM3Si2O14, wherei...  
WO/2019/041682A1
A gain-based transient control system and method for a distributed Raman fiber amplifier. The method comprises: calculating a target out-of-band ASE power value and a pump laser power ratio of a Raman fiber amplifier according to target ...  
WO/2019/043917A1
A laser device (1) is provided with: a branching waveguide (23) that outputs a plurality of light beams by branching propagation light into a plurality of light beams, said propagation light having been propagated from an optical amplifi...  
WO/2019/045925A1
A laser therapy apparatus can include a printed circuit board (112, 450, 460, or 500), a power supply (120), a controller (118), and a plurality of light sources (114) electrically coupled to the printed circuit board and powered by the ...  
WO/2019/044442A1
Disclosed is a pluggable optical module wherein an optical fiber for connecting optical components is compactly stored in a housing in which a plurality of optical components are mounted. A pluggable optical module (100) has an optical f...  
WO/2019/005254A3
An apparatus for generating Smith-Purcell radiation having at least one spectral component at a wavelength λ includes a periodic structure including a dielectric material and an electron source, in electromagnetic communication with the...  
WO/2019/046049A1
Laser-apparatus includes a fiber-MOPA arranged to deliver amplified seed optical pulses having a wavelength of about 1043 nanometers to a multi-pass ytterbium-doped yttrium aluminum garnet solid-state optical amplifier for further amplif...  
WO/2019/043256A1
The invention relates to a device for generating a repetition of laser pulses consisting of pulse bursts. The problem to be solved by the invention is that of demonstrating a possibility for generating laser pulses for material processin...  
WO/2018/005532A8
Monopole rectenna arrays distributed over a curved surface for multi-directional, multi-polarization, and multi-band ambient RF energy harvesting in accordance with embodiments of the invention are disclosed. In one embodiment, a rectenn...  
WO/2019/039530A1
The present invention provides a method for producing a laminate for non-linear optics, which comprises: a step for subjecting an electro-optic polymer layer (11) that contains electro-optic molecules to poling processing; and a step for...  
WO/2019/039584A1
Provided is a carbon isotope analyzing device 1A provided with: a carbon dioxide isotope generating device 40 provided with a combustion unit which generates gas containing a carbon dioxide isotope from a carbon isotope, and a carbon dio...  
WO/2019/038825A1
This wavelength conversion device is provided with: A. a crystal holder for holding a nonlinear crystal that wavelength-converts and emits an incident laser beam; B. a first container which accommodates the crystal holder and includes an...  
WO/2019/036584A1
A mode-locked semiconductor laser capable of changing the spacing between the carrier frequencies of its output comb. In an example embodiment, the mode- locked semiconductor laser is implemented as a hybrid solid-state device comprising...  
WO/2019/002229A3
The invention relates to a laser arrangement comprising at least one optical fibre amplifier (5, 6) and to a method for operating said type of laser arrangement in which a pulsed laser beam is generated using a light source (1), the lase...  
WO/2019/032571A2
A pump dump or cladding mode stripper is used to remove unwanted light from the cladding of an optical fiber. Conventional pump dumps include high-index polymer coatings and roughened cladding outer surfaces. Unfortunately, high-index po...  
WO/2019/031289A1
Provided is a terahertz wave generation method used to generate a terahertz wave in a direction that satisfies non-collinear phase matching conditions by inputting pump light into a non-linear optical crystal capable of generating a tera...  
WO/2019/030601A1
A fiber laser system based in solitonic passive mode-locking, comprises a laser diode (10) to emit and deliver an optical signal of a first wavelength; a single-fiber laser cavity (50) comprising a dichroic mirror (51), a SESAM (53) and ...  
WO/2019/030792A1
This capacitor cooling structure is for cooling a capacitor having a first electrode and second electrode. For this purpose, this capacitor cooling structure comprises: an electrically conductive part connected electrically to the first ...  
WO/2019/028718A1
An optical amplification system. The system comprises: a first amplification module (210), configured to amplify at least a conventional C band optical signal; a second amplification module (220), configured to amplify a long L band opti...  
WO/2019/028679A1
A frequency-doubling laser and a harmonic laser light generating method; the frequency-doubling laser comprises a first reflecting mirror (1), a second reflecting mirror (2), a gain medium (3), a telescope module (5), a polarizing elemen...  
WO/2019/026912A1
This light source device is provided with: a fiber laser that emits randomly polarized laser light; a polarization beam splitter that splits the laser light emitted by the fiber laser into first split laser light and second split laser l...  
WO/2019/026673A1
This rotation drive device is provided with: a casing (6); a stator holding section (51) provided to the outer periphery of a stator (2); a blade base (52) which is a circular cylindrical member; a flange (53) extending from an axial end...  
WO/2019/028082A1
A method of fiber laser processing of thin film deposited on a substrate includes providing a laser beam from at least one fiber laser which is guided through a beam-shaping unit onto the thin film. The beam-shaping optics is configured ...  
WO/2019/028064A1
A surface treating method and apparatus include operating a quasi-continuous wave fiber laser and pre-scan shaping the laser beam such that an instantaneous spot beam has predetermined geometrical dimensions, intensity profile, and power...  
WO/2019/027729A1
A laser source includes a topological cavity for nonreciprocal lasing, a magnetic material and an optical waveguide. The magnetic material is arranged to interact with the topological cavity. The optical waveguide is arranged to receive ...  

Matches 601 - 650 out of 57,378