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Matches 101 - 150 out of 56,849

Document Document Title
WO/2020/031929A1
[Problem] To provide an undersea repeater that is capable of reducing power consumption while being equipped with a plurality of subunits. [Solution] This undersea repeater is configured so as to comprise a case 1, a plurality of light-a...  
WO/2020/032827A1
An infrared (IR) laser device and a surgical laser system using same comprise a pulse master oscillator equipped with quasi-continuous or QCW laser pump diode assemblies and a power amplifier equipped with continuous or CW laser pump dio...  
WO/2020/030900A1
A method for forming a layer comprising an organic lanthanide complex on a substrate. The method comprises providing a substrate, providing a vapour comprising an organic lanthanide complex, and contacting at least a portion of the subst...  
WO/2020/029517A1
A method and corresponding apparatus for reducing a backlight crosstalk impact of an optical assembly. The optical assembly comprises at least two wavelength channels. The method comprises: sequentially presetting a drive current of a la...  
WO/2020/026685A1
A fiber laser oscillator 1 that emits laser light comprises: a fiber Bragg grating 4 that reflects a specific wavelength component of the laser light, and an active fiber spool 6 in which an active fiber 6a is wound and accommodated. The...  
WO/2019/102402A3
An optical configuration including axiconical elements that serve as parts of a resonator or an optical chain of an amplifier for an active laser volume with a large transverse dimension. The system may include a single-fold or multiple-...  
WO/2020/026600A1
Provided is a laser energy measuring device with which it is possible for a laser beam that is being radiated onto a substrate to be evaluated accurately. This laser energy measuring device is provided, inside or outside an illuminating ...  
WO/2020/027184A1
A light detecting device (2) is provided with: a first cladding mode stripper (21) and a second cladding mode stripper (22) provided in an optical fiber, with a prescribed spacing therebetween; a first light detector (31) for detecting t...  
WO/2020/022552A1
Disclosed is a laser annealing device comprising: a laser light source for emitting a laser light; a laser light shaping unit, which receives the laser light emitted from the laser light source so as to shape same into a line beam of a c...  
WO/2020/023101A1
Systems and methods described herein provide a thermally compensated waveguide structure having a thermal index profile configured to correct thermal aberrations caused by temperature gradients in a fast axis direction and/or correct oth...  
WO/2020/023016A1
Embodiments of the disclosure pertain to an optical modulator including an m*n optical coupler, first and second waveguides coupled or connected to the m*n optical coupler, a first phase shifter coupled to the first waveguide, and first ...  
WO/2020/019661A1
An opposing pump structure for twin 980-nm pump lasers (2-1, 2-2) in an EDFA, the structure comprising an erbium-doped optical fiber (1), two 980-nm pump lasers (2-1, 2-2), two signal/pump combiners (3-1, 3-2), and anti-interference stru...  
WO/2020/020823A1
An FEL (35) comprises a feedback device (36) for feeding back emitted illumination radiation (5).  
WO/2020/022012A1
This laser beam irradiation device comprises: a control unit that calculates at least one predicted movement position to which a target is predicted to move at a specific future point in time; a transmission laser beam source that genera...  
WO/2020/023611A1
A tunable multi-mode laser (100) is configured to generate a multi-mode optical signal (160) at a tuned wavelength. The laser (100) includes a semiconductor optical gain region (110), a feedback region (130), and a phase modulation regio...  
WO/2020/020705A1
The invention relates to a laser light source (1), comprising at least one nonlinear optical medium (3), in particular one nonlinear crystal, and at least one pump laser source (2) for producing a pump laser beam (5) in order to form a s...  
WO/2020/023477A1
The disclosure describes aspects of laser cavity repetition rate tuning and high-bandwidth stabilization of pulsed lasers. In one aspect, an output optical coupler is described that includes a cavity output coupler mirror, a piezoelectri...  
WO/2020/021527A1
The present invention provides an active fiber package for use in a fiber laser, amplifier, or ASE source comprising: a plate-shape base comprising a groove having a configuration of at least two spirals for receiving and fixedly holding...  
WO/2020/023575A1
A laser safety system adapted to prevent inadvertent illumination of people and assets. The laser safety system configured to emit a laser beam with a laser and determine a path of a target object relative to the laser safety system. The...  
WO/2020/018591A1
A LIDAR system includes a LIDAR chip and local electronics that receive signals from the LIDAR chip. The local electronics are configured to operate one or more components on the LIDAR chip such that the LIDAR chip transmits an optical d...  
WO/2020/016824A1
A coherent beam combination (CBC) system (10) includes an array of beam sources (12a, 12b and 12c) generating coherent beams directed towards a target (T). The phase modulators (14a, 14b and 14c) allow adjustment of relative phase offset...  
WO/2020/018160A1
A method of spectral beam-combining an array of fiber optics is disclosed. Each fiber may be coupled to a high-power, wavelength-stabilized, fiber-coupled, diode-laser module and has a fiber-by-fiber pre-selected wavelength. The waveleng...  
WO/2020/018308A1
The present application discloses a method and apparatus for compensation of focal errors in laser beam measurement instruments that characterize beam parameters by analyzing images of Rayleigh scatter taken at multiple angles around the...  
WO/2020/016336A1
The invention relates to a device (16) for combining a number N of coherent laser beams (3.1,..., 3.N), comprising: at least N-1 phase setting apparatuses (6.1,..., 6.N) for each setting the phase of one of the coherent laser beams (3.1,...  
WO/2020/017446A1
Provided is a multimode optical amplifier which provides a gain to a plurality of signal light propagation modes. The multimode optical amplifier is provided with: a multiplexer which multiplexes signal light and excitation light; an amp...  
WO/2020/013096A1
This optical amplification relay system comprises an optical fiber for propagating multi-propagation-mode light, and an optical amplification relay for amplifying light propagating through the optical fiber. The optical amplification rel...  
WO/2019/220430A3
Methods and apparatuses for manipulating and modulating of laser beams. The methods and apparatuses enable activating and deactivating of laser beams, while the laser systems maintain their operating power. Further, a hybrid pump module ...  
WO/2019/221770A3
The present invention relates to a novel stand-off distance chemical detector system such as can be used, for example, for standoff detection of explosives. Instead of a conventional lasing medium, a Pr:YAG or Pr:BYF based UV laser is us...  
WO/2020/009708A1
An optical and electronic feedback system can be used to significantly narrow the linewidth of distributed Bragg reflector lasers (DBRs) by reducing the high-frequency noise in the laser spectrum. An optical feedback path reduces the hig...  
WO/2020/008599A1
In the energy measurement device according to an aspect of the present disclosure, a part of main light is sequentially reflected by a first beam splitter, a second beam splitter, a third beam splitter, and a fourth beam splitter and inp...  
WO/2020/006824A1
A laser amplifier, comprising a laser amplifier main body (1), a glass window (6), and a sealing gland (7), wherein the interior of the laser amplifier main body is provided with a through working medium flow passage (2); the interior of...  
WO/2020/006800A1
Disclosed are a dual-wavelength laser and a laser therapeutic apparatus. The dual-wavelength laser therapeutic apparatus having a simple structure and high stability can switch to output a high-power 532 nm green laser and 1064 nm near-i...  
WO/2020/009298A1
Disclosed is a device for converting a straightly incident laser beam into beams diffusively emitted in a curved pattern on a predetermined plane. The device for converting a laser beam into beams diffused in a curved pattern may compris...  
WO/2020/003142A1
A control system for thermo optical control of focus position of an energy beam in an additive manufacturing apparatus has a first doped medium and a second doped medium, each of which is optically transparent and doped with a dopant. Th...  
WO/2020/003138A1
Methods and apparatus for dermatological laser treatment, e.g. for the removal of unwanted tattoos or other skin pigmentation. Removal of multiple colours with a single pulsed laser beam may be achieved using intensities in excess of abo...  
WO/2020/003140A1
A laser beam shaping system which has a laser resonator configured to operate at a resonating, first wavelength range to produce an intracavity resonating beam and a laser gain material, configured to produce gain and to amplify the firs...  
WO/2020/006371A1
A fiber laser is configured with a double clad fiber with a core doped with ions of Erbium (Er+3) and Ytterbium (Yb+3). At least two spaced apart high and low reflection mirrors flank the core and define a resonant cavity therebetween. T...  
WO/2020/003918A1
The present invention involves processing an active medium piece (109), which is extracted by a nano-probe (108), in a shape conforming to a nano-slot (104) to obtain an active medium small piece (111) processed in a smaller size (fourth...  
WO/2019/224601A3
In various embodiments, emitter modules include a laser source and (a) a refractive optic, (b) an output coupler, or (c) both a refractive optic and an output coupler. Either or both of these may be situated on mounts that facilitate two...  
WO/2020/002569A2
The invention relates to a laser system (1) for generating laser pulses, comprising: a main resonator (2) having a main resonator beam path (6), in which a laser-active medium (4), in particular a laser-active solid-state medium, and an ...  
WO/2020/006368A1
An active waveguide including active and passive rods which have respective polymeric claddings mechanically and optically coupled to one another so as to define a side pumping scheme. One or a plurality of elements are embedded in one o...  
WO/2020/001050A1
Provided is a phonon band edge emission-based all solid state high power slab laser, comprising a pump source, a focussing system, a laser resonant cavity and a self-frequency doubling crystal. The self-frequency doubling crystal is an y...  
WO/2020/004288A1
A laser device 100 is provided with a laser oscillator 10, a dehumidifier 11, and a control unit 9 which controls the operation of the dehumidifier 11. The control unit 9 controls the dehumidifier 11 so as to make the dew point W in the ...  
WO/2020/004224A1
Provided are a light source device that is suitable for an optical amplifier including a plurality of optical amplification units and that can emit excitation light of optimal intensity to each of the optical amplification units, and an ...  
WO/2020/002933A1
A method and system for combining two or more optical fields is disclosed. A first continuous-wave high powered output field generated by a solid-state master laser is injected into a first solid state optical amplifier to produce a sing...  
WO/2020/004238A1
The present invention provides a multi-clad optical fiber having the effect of suppressing the skew mode light in a clad layer and having little optical transmission loss in a core. A double-clad optical fiber 10 comprises a core 20, an ...  
WO/2019/245937A1
A microchip laser and a handpiece including the microchip laser. The microchip laser includes a laser medium with input and output facets. The input facet is coated with a highly reflective dielectric coating at microchip laser wavelengt...  
WO/2019/246053A1
A laser master-oscillator power-amplifier (MOPA) is operated to provide successive bursts of ultrashort pulses. The pulse-bursts are selected by an optical modulator from a pulse train delivered by the master oscillator prior to amplific...  
WO/2019/244660A1
[Problem] To easily measure and detect a failure part of a long-distance optical cable by low-cost equipment in a configuration in which an isolator is disposed in the vicinity of an optical amplifier in order to improve and stabilize op...  
WO/2019/245996A1
Techniques of deriving audio signals using frequency modulated continuous-wave (FMCW) LIDAR use an acceleration-based algorithm in which an audio signal is based on a difference in velocity between two up-chirps or two-down-chirps. Such ...  

Matches 101 - 150 out of 56,849