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Matches 451 - 500 out of 56,407

Document Document Title
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...  
WO/2018/145659A1
A femto-pulse laser modulator, a miniaturized two-photo microscopic imaging device, a live specimen behavior imaging system, and a miniaturized two-photo microscopic imaging method. The femto-pulse laser modulator comprises a negative ch...  
WO/2018/147231A1
This laser medium unit has: a plate-like laser gain medium having a first surface and a second surface on the reverse side of the first surface and generating emitted light by irradiating excitation light from the first surface; a reflec...  
WO/2018/147498A1
The present invention relates to an optical coupler and, according to one embodiment, the optical coupler can comprise: a first ferrule which is a hollow tubular member extending along one direction and which has one end portion to which...  
WO/2018/142270A1
Frequency-based mode mixing may be used to homogenize different modes in an optical fiber used for surgical illumination. A laser modulator may introduce frequency modulation to laser light to generate a homogeneous illumination field du...  
WO/2018/143495A1
A thin disk laser device is disclosed. The disclosed thin disk laser device comprises: a first parabolic reflector and a second parabolic reflector which face each other and are arranged in the same axis; a first thin disk and a second t...  
WO/2018/144524A1
A visible light laser system and operation for welding materials together. A blue laser system that forms essentially perfect welds for copper based materials. A blue laser system and operation for welding conductive elements, and in par...  
WO/2018/142857A1
When variation occurs in refection-proof performance among fiber lasers, the present invention restores the reflection-proof performance of a fiber laser system as a whole by reducing this variation while maintaining the output of the fi...  
WO/2018/145038A1
A femtosecond laser system for ophthalmic applications employs a number of chirped mirrors (CM1-CM4) in the laser beam delivery system between the laser head (10) and the objective lens (17). The chirped mirrors (CM1-CM4) perform the dua...  
WO/2018/075111A3
An optical fiber, such as in some instances a high-power, diode-pumped, dual-clad, ytterbium-doped fiber amplifier (YDFAs), having a fundamental mode and at least one higher order mode, wherein the higher order mode or modes have mode ar...  
WO/2018/141516A1
The invention relates to a Pockels cell, which comprises a first crystal, which exhibits a Pockels effect. The use of a thermal-expansion-adapted second crystal to change the acoustic resonance frequencies of the first crystal is describ...  
WO/2018/143284A1
The present invention reduces the power of Stokes light generated through an amplification optical fiber, without reducing the power of a laser beam outputted from the amplification optical fiber in a bidirectional excitation-type fiber ...  
WO/2018/140638A1
The present disclosure relates to a laser system. The laser system may have at least non-flat gain media disc. At least one pump source may be configured to generate a beam that pumps the non-flat gain media disc. A laser cavity may be f...  
WO/2018/138982A1
An optical fiber (10) for amplification, in which, regarding light of a specific higher-order mode propagating through a core (11), the average concentration of an active element from the specific inside position (Ri) to the specific out...  
WO/2018/138886A1
This laser device is provided with: a mirror which reflects laser light; an actuator which operates the mirror; and a controller which transmits a movement instruction to the actuator, wherein the controller predicts a movement completio...  
WO/2018/139486A1
A manufacturing device for manufacturing a laser light attenuation device is configured from: a holding device (L-shaped holding parts HA, HB) which performs initial setting of a distance between opposing surfaces of two prisms A, B by p...  
WO/2018/138473A1
Apparatus for optically isolating a laser (1) from external reflections, which apparatus comprises a mode filter (19) and a first optical fibre (1), wherein: the first optical fibre (1) is a multimode optical fibre that supports a fundam...  
WO/2018/140543A1
In various embodiments, the beam parameter product and/or beam shape of a laser beam is adjusted by directing the laser beam across a path along the input end of a cellular-core optical fiber. The beam emitted at the output end of the ce...  
WO/2018/038347A3
A laser system capable of adjusting the shape of a laser beam, according to one embodiment of the present invention, preferably comprises: an image processing unit for processing an image signal inputted from the outside into an RGB sign...  
WO/2018/138819A1
This laser system is provided with: (A) a laser device that outputs pulsed laser light; (B) an optical pulse stretcher including a delay optical path for stretching the pulse width of the pulsed laser light; and (C) a phase optical eleme...  
WO/2018/140927A1
A crystalline Raman laser source is configured with a crystal Raman medium zigzagged by a pump light at a fundamental frequency Ï‘fbetween input and output of the Raman medium such that the pump light sequentially converts to Stokes wave...  
WO/2018/134350A1
The invention discloses a laser medium for generating laser light, wherein the laser medium is in a solid state and wherein the laser medium comprises a light exit face through which the laser light exits from the laser medium during las...  
WO/2018/106295A3
A laser beam apparatus can include a set of pulsed lasers (e.g. solid state fiber lasers), a controllable beam deflector, and an electric power supply and controller connected to the beam deflector. The laser pulses from the different pu...  
WO/2017/184336A3
A multi-wavelength LIDAR system includes a first laser source that generates a first optical beam having a first wavelength and a second laser source that generates a second optical beam having a second wavelength. An optical element pro...  
WO/2018/134971A1
A laser device according to an aspect of the present disclosure is provided with: a master oscillator; at least one amplifier disposed on an optical path of first pulsed laser light output from the master oscillator; a sensor disposed on...  
WO/2018/135621A1
In a multicore optical fiber amplifier using cladding excitation, it is difficult to control the generation of an optical surge due to penetration of signal light into a core in a non-signal-light state without fluctuation of the gain of...  
WO/2018/136668A1
Herein is provided a fiber length including a doped fiber core extending over the fiber length. First and second cladding regions radially surround the core. At least one pump light input site is arranged to accept input pump light into ...  
WO/2018/134533A1
The invention relates to a device for alternating between different specific shapes of a light beam (6) generated by a light source, the device comprising a multi-plane light conversion (MPLC) device which is used to apply a unitary tran...  
WO/2018/134532A1
The invention relates to a device for controlling the position of a focussing point (20) of a light beam (6) generated by a light source (4), the control device comprising a multi-plane light conversion (MPLC) device which is used to app...  
WO/2018/134534A1
The invention relates to a variable-ratio optical splitter for controlling the proportion of energy of a light beam (6) distributed to at least two outlets, the splitter comprising automated means for varying the transverse position and/...  
WO/2018/129962A1
A tellurate crystal, a growth method therefor, and a use thereof. The chemical formula of the crystal is MTe 3O 8 in which M is Ti, Zr and Hf; the tellurate crystal belongs to a cubic system and Ia-3 space group; the waveband of transmit...  
WO/2018/129297A1
The present invention provides systems and methods for optical frequency comb generation with self-generated optical harmonics in mode-locked lasers for detecting the carrier envelope offset frequency. The mode-locked laser outputs an op...  
WO/2018/127266A1
A broadband light source device (100) for creating broadband light pulses (1) comprises a hollow-core fiber (10) of non-bandgap type including a filling gas and being arranged for creating the broadband light pulses (1) by an optical non...  
WO/2018/128661A2
An example apparatus may include a first plate having a first side. A first plurality of fins may be integral with the first side of the first plate and protruding perpendicularly therefrom. The first plurality of fins may be arranged in...  
WO/2018/128616A1
An element containing Bose-Einstein condensations (BECs) is disclosed. The BECs are able to interact with photons to create optic and catalytic functions including at least one of changing propagation of the photons, changing mutual cohe...  
WO/2018/129435A1
A method of measuring Raman scattering includes exciting Raman scattering of a sample with a first wavelength and a second wavelength of electromagnetic radiation traveling along a common optical path to form a first scattered radiation ...  
WO/2018/126293A1
A single longitudinal mode ring Raman laser including: a pump source outputting a pump light power, resonantly coupled to a first ring resonator; a optical measurement and piezo-actuator for stabilising the resonant coupling of the pump ...  
WO/2018/128740A1
A system for an extreme ultraviolet (EUV) light source includes a light-generation system configured to emit one or more light beams onto a beam path; one or more optical amplifiers, each of the one or more amplifiers including a gain me...  
WO/2018/128963A1
A laser assembly generates continuous (CW) laser output light in the range of approximately 181 nm to approximately 185 nm by generating fourth harmonic light from first fundamental CW light having a first fundamental wavelength between ...  
WO/2018/128662A2
Aspects of the present disclosure describe configurations of, and methods for operating a large scale optical phased array for contemporary applications including LIDAR, optical communications, imaging, and displays - among others.  
WO/2018/122566A1
The invention refers to a method and installation for storing energy as photonic radiation, destined to the subsequent use thereof, whether it is obtained from classical or renewable (solar, wind, electromagnetic, chemical, tidal, etc.) ...  
WO/2018/124413A1
The present invention relates to an integrated light transmission/reception optical system module and a scanning lidar having the same, the module simplifying an optical system structure and, at the same time, facilitating the alignment ...  
WO/2018/124038A1
The purpose of the present invention is to suppress, better than a conventional method, an increase of errors contained in a monitored value which is associated with a change in the relative positions of an optical fiber, a reflector, an...  
WO/2018/124728A1
The present invention relates to a method for forming a wired part of a chromatic liquid crystal device, and the chromatic liquid crystal device, which comprises a substrate, transparent electrodes, and an alignment layer, the method bei...  
WO/2018/121061A1
A method and device for controlling a phase-change refrigeration system with a solid-state light-emitting light source, and a projection device, which relate to the technical field of control. The method comprises: acquiring a first empi...  
WO/2018/114666A1
A heat sink comprising a heat spreader (2) made from synthetic diamond and having a front surface for mounting one or more components to be cooled like a laser disc (8) and a rear surface for direct fluid cooling (10). A plurality of rib...  

Matches 451 - 500 out of 56,407