Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 151 - 200 out of 56,703

Document Document Title
WO/2019/201791A1
A pulse length adjustment unit (7, 7') for a pulsed laser beam (5) with a spectral width comprises a first and a second dispersive element (11A, 11B) for generating angular dispersion in an angular dispersion range (13) limited by the di...  
WO/2019/200886A1
A method for realizing synchronous tuning of a wavelength and a repetition frequency in a passive mode-locking laser. One end of a section of active optical fiber or passive optical fiber in a resonant cavity of the laser is polished int...  
WO/2019/202145A1
A method for generating ultrashort pulses (20), wherein: - a master beam (17) having ultrashort pulses (14) and at least one slave beam (18) are directed through an optical gate material (11), the intensity of the slave beam (18) upstrea...  
WO/2019/203161A1
A laser-light-output-monitoring device 150 comprises: a diffusion plate 160 that diffuses a laser beam LBA to be monitored, which is branched light of a laser beam emitted from a laser oscillator 100, the diffusion plate 160 being deflec...  
WO/2019/202961A1
Provided is a cabinet 8 for a laser device configured to accommodate: a laser module 2 for laser oscillation; a power supply module 4 for supplying electrical power to the laser module 2; a laser control unit 6 for controlling the operat...  
WO/2019/198171A1
To provide an optical amplifier capable of performing Raman amplification while suppressing power consumption and a size. A multicore fiber (110) has a double clad structure. The double clad structure includes cores (C1-C7) thorough whic...  
WO/2019/198215A1
This laser device (1) is characterized by being provided with laser modules (20-1, 20-2, 20-3) that can oscillate laser beams; a housing (10) in which the laser modules (20-1, 20-2, 20-3) are embedded; and an expansion unit that is provi...  
WO/2019/199775A1
Embodiments discussed herein refer to LiDAR systems and methods that enable substantially instantaneous power and frequency control over fiber lasers. The systems and methods can simultaneously control seed laser power and frequency and ...  
WO/2019/198663A1
In optical amplifiers that use a multicore optical fiber, the absorption efficiency of excitation light in an optical amplification medium is low and the amplification efficiency of light intensity becomes lower in the cladding excitatio...  
WO/2019/149523A9
The invention relates to a method for emitting laser light (4) in the form of laser pulses, having the steps of planning a laser pulse using pulse parameters (100), checking whether laser pulses emitted within a preceding specified time ...  
WO/2019/193587A1
An optical arrangement is described for use in transmission of modulated signals, where the arrangement comprises: at least two light beam generating sources and an optical transmitter, and the optical arrangement is characterized in tha...  
WO/2019/195416A1
An optical system comprising an optical conduit (e.g., gain fiber or rare-earth-doped fiber) with a bend having a bend radius (R). The bend induces a tension and a compression in the fiber core, which results in a corresponding strain (...  
WO/2019/186022A1
A spectral transfer method makes it possible to produce a useful optical signal (3a) from a source optical signal (1), using laser radiation (2) to produce modulational instability which is effective when the source optical signal is pro...  
WO/2019/189459A1
The present invention suppresses increases in the power of Raman scattered light and reduces the likelihood that laser light oscillation will become unstable. According to the present invention, a fiber laser device (FL) is provided with...  
WO/2019/187514A1
Provided are a laser device, a multi-wavelength laser device, and a photoacoustic measuring device capable of suppressing increased size of the device, increased cost, or decreased output. Comprised are: a laser crystal; a resonator that...  
WO/2019/186767A1
Provided is a wavelength conversion system comprising: A. a first nonlinear optical crystal which outputs first sum-frequency light and second pulse laser light when receiving first pulse laser light having a first wavelength in a first ...  
WO/2019/190667A1
A fiber amplifier system including an optical component responsive to a seed beam and causing amplitude modulation that creates a non-uniform spectral transmission having peaks and nulls, and an actuator operable to shift the spectral tr...  
WO/2019/184243A1
A laser device, comprising a substrate (11), and a seed laser and a radio frequency coil (12) that are disposed on the substrate, two ends of the radio frequency coil being connected to corresponding pin terminals of the seed laser respe...  
WO/2019/186651A1
This laser gas management system includes: a gas regeneration device which is connected to multiple excimer laser devices, regenerates, as regenerated gas, a laser gas discharged from the multiple excimer laser devices, and supplies the ...  
WO/2019/190668A1
A fiber amplifier system including a plurality of optical components in an amplification chain that are responsive to a seed beam and that cause frequency modulation (FM) to amplitude modulation (AM) conversion to the seed beam that crea...  
WO/2019/183749A1
The present invention relates to a single polarization fiber laser, a preparation device thereof, and a preparation method therefor. The preparation device for the single polarization laser comprises a second pump source, a second wavele...  
WO/2019/189317A1
The present invention provides a photodetector device capable of detecting, with high accuracy, laser light which propagates through an optical fiber core. A photodetector device 30 comprises an optical fiber 34 which includes a core 40,...  
WO/2019/191647A1
Example methods, devices, and systems for optical emission are disclosed. An example device can comprise one or more optical filters. The one or more optical filters can be configured to be coupled to an optical amplifier. The device can...  
WO/2019/190670A1
An integrated optical device that combines a diffractive optical element (DOE) to provide beam combining for coherent beams and a spectral beam combination (SBC) grating to provide beam combining for incoherent beams. The device includes...  
WO/2019/190700A1
A method includes driving, while producing a burst of pulses at a pulse repetition rate, a spectral feature adjuster among a set of discrete states at a frequency correlated with the pulse repetition rate; and in between the production o...  
WO/2019/187555A1
The present invention is provided with: an amplification unit (21) that amplifies a laser beam and emits the laser beam through an emission part (20); a case (16) that covers the amplification unit (21); and an outer support mechanism (1...  
WO/2018/127266A8
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/2019/183261A1
A LIDAR device can accurately calculate distances to objects in an environment by classifying a signal received from a sensor as being a particular type of signal (e.g., saturated or unsaturated) and selecting, based on the type of signa...  
WO/2019/145930A3
A compact laser system with a folded annular resonator cavity defined by spherical mirrors (17, 18), enabling the generation of a multipass beam path between the mirrors, each beam pass inclined at a small angle to the axis between the m...  
WO/2019/179954A1
This disclosure provides methods and apparatuses which advantageously stabilize beam parameters and elongate crystal lifetime. In one aspect, a UV laser apparatus (100) includes a non-linear crystal(104), a laser source(102), a beam- cry...  
WO/2019/183273A1
A time delay of arrival (TDOA) between a time that a light pulse was emitted to a time that a pulse reflected off an object was received at a light sensor may be determined for saturated signals by using an edge of the saturated signal, ...  
WO/2019/178003A1
Some embodiments may include a fiber laser, comprising: a variably wound optical fiber, wherein the variably wound optical fiber includes: a first length arranged in a plurality of first loops with a first separation distance between suc...  
WO/2019/178284A1
The present disclosure relates to optical fiber amplifying systems having operability at a wide variety of ambient temperatures and to methods for using them. One aspect of the disclosure is an optical fiber system configured to provide ...  
WO/2019/174158A1
A laser module comprises a packaging support, at least one laser, a sealing gasket, and a pressure plate. Each laser comprises a support plate and a laser body fixed on the support plate. The support plate is fixed on the packaging suppo...  
WO/2019/174885A1
A control system for controlling a laser, comprising a sensor for sensing a physical value indicative of a characteristic of a laser beam emitted by the laser, a switch, a first controller and a second controller. Each controller is conf...  
WO/2019/176205A1
Provided are an optical relay, optical relay production method, and optical signal relay method that make it possible to achieve, with a simple configuration, redundancy against failure of a light source for outputting excitation light. ...  
WO/2019/176572A1
The present invention achieves strong laser oscillation in a laser oscillator which uses an optical fiber. A laser oscillator 1 comprises an excitation light source 11, an optical fiber 15, and a grating region 155. The excitation light ...  
WO/2019/174143A1
A laser assembly, comprising a laser array (1), a fixing support (2), and a first seal ring (3). The fixing support (2) comprises a first end surface (A) and a second end surface (B) disposed opposite one another, the first end surface (...  
WO/2019/172398A1
Provided is an excess light removing device capable of removing both the extra light propagating in an inner cladding and the extra light propagating in a core. The excess light removing device 30 comprises: a double clad type optical fi...  
WO/2019/170922A1
A laser system comprising an optical ring resonator, the laser system comprising: a beam splitter that directs a first beam travelling in a first direction around the ring resonator, out of the resonator towards a reflector that reflects...  
WO/2019/172292A1
Provided are a low-cost and low power-consumption optical fiber amplifier, an optical fiber amplifier control method, and a transmission system. The optical fiber amplifier comprises: an optical fiber to which excitation light is supplie...  
WO/2019/173157A1
A carbon dioxide gas-discharge slab-laser is assembled in a laser-housing. The laser-housing is formed from a hollow extrusion. An interior surface of the extrusion provides a ground electrode of the laser. Another live electrode is loca...  
WO/2019/169934A1
The present invention relates to the technical field of optical time domain reflectometers, and provides a detection method and device for high-dynamic-range optical time domain reflection. The device comprises a Raman laser and an OTDR ...  
WO/2019/171484A1
It is difficult to flatten the gain profile of an optical amplifier without increasing the power consumption, the cost, and the size of the optical amplifier; therefore, a monitoring apparatus for optical amplifier according to an exempl...  
WO/2019/168099A1
Provided are an optical repeater with which it is possible to perform OTDR measurement and diagnose, according thereto, the state of a transmission path fiber and the state of the optical repeater while suppressing an increase in inserti...  
WO/2019/165712A1
A surface plasmon ultraviolet nano-pulse laser having a multi-resonance competition mechanism, consisting of the four parts of a surface plasmon nano-pin resonance chamber (1), a spacer layer (2), a gain medium (3), and a two-dimensional...  
WO/2019/167039A1
A low voltage sub-nanosecond pulsed current driver for driving current to a load, which comprises a regulated current source connected to the load, for driving controlled current to the load (which may be a laser diode for LIDAR applicat...  
WO/2019/162004A1
The invention relates to a transmission lens unit (60) for a sensing LiDAR system (1) for generating and emitting primary light (57) into a field of view (50), comprising a light source (65) for generating the primary light (57),wherein ...  
WO/2019/163069A1
This laser oscillation device (100) comprises: a laser oscillation unit that generates a plurality of first laser lights with wavelengths that are different from each other; and a plurality of sensors (32a, 32b, 32c) with sensitivity pro...  
WO/2019/162038A1
A system, comprising an optical component that, in operational use of the optical component, optically interacts with a laser beam, an electrically conductive element disposed on or within the optical component that, in operational use o...  

Matches 151 - 200 out of 56,703