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WO/2021/151795A9 |
The invention relates to a device (5) for combining a plurality of coherent laser beams (3.1,..., 3.N), comprising: a splitter unit (4) for splitting an input laser beam (9) into the plurality of coherent laser beams (3.1,..., 3.N), a pl...
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WO/2022/115066A1 |
The present invention provides an electronically controlled dielectric Huygens resonator spatial light modulator (1). The modulator (1) comprises a substrate (102), a first layer (103) positioned on said substrate (102), which is transpa...
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WO/2022/110284A1 |
Provided are a method for regulating the output power of a 213 nm laser, and an apparatus thereof, said method comprising: setting the temperature of a frequency tripling crystal (21) (S1); using the frequency tripling crystal (21) to ou...
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WO/2022/110830A1 |
The present disclosure relates to the field of fiber lasers and specifically relates to an air-cooled fiber laser. The air-cooled fiber laser comprises a housing, a pumping source, an optical component, and a cooling structure. The cooli...
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WO/2022/113717A1 |
By heating a high-temperature tank (116) with a heater (108), atomic gas is generated in the high-temperature tank (116) from an atomic source. A magneto-optical trap is realized by a laser beam (130) reflected by a right-angled conical ...
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WO/2022/114992A1 |
Pulsed fibre lasers make it possible to achieve high peak powers and energies at a relatively low pumping power and are widely applicable in such fields as materials processing, product marking and medicine, as well as the conversion of ...
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WO/2022/115122A1 |
Some embodiments may include a fiber laser having an input end to receive source light from a light source and an output end including: a feeding optic fiber including a cladding layer and an interior surrounded by the cladding layer, wh...
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WO/2022/112152A1 |
The invention concerns a very large mode area single-mode amplifying optical fiber (100) comprising a doped core (1) having a core diameter larger than 20 micrometers, surrounded by at least a first cladding (2) comprising a solid matrix...
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WO/2022/115139A1 |
A system including an electron beam source for providing an electron beam and at least one undulator system configured to produce free-electron laser (FEL) radiation is described. The undulator system includes undulators and at least one...
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WO/2022/114402A1 |
According to the present disclosure, a device for measuring a voltage by using a Pockels cell comprises: a Pockels cell for changing a reflective index of incident light on the basis of an applied electric field; at least one non-polariz...
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WO/2022/105749A1 |
The embodiments of the present application provides a laser output optical cable, mainly comprising: an energy transmission optical fiber and a laser cutting head connector for connecting a laser output head and a laser cutting head, the...
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WO/2022/104437A1 |
The present invention relates to apparatus and/or methods for sanitising objects comprising a UV light source for emitting a beam of UV light and are particularly suited to sanitising a plurality of objects such as banknotes and mail at ...
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WO/2022/108824A1 |
Disclosed are laser modules for laser systems and methods thereof that expand options for clinicians when using lasers in medical procedures such as holmium lasers in urological procedures. A laser module includes independently drivable ...
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WO/2022/104597A1 |
A polarization-insensitive optical parametric amplifier for radially polarized light, comprising: a laser module (1) and a nonlinear crystal (2) that satisfies type II phase matching or type II quasi-phase-matching, wherein the laser mod...
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WO/2022/107707A1 |
This light amplification device comprises: an optical fiber amplification part that amplifies, while propagating with a time difference, two pulse laser lights respectively having a first wavelength λ1 and a second wavelength λ2 which ...
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WO/2022/106199A1 |
A system for correcting the wavefront (182) of a laser beam (180) includes a beamsplitter (120) for splitting off a fraction of the laser beam (180) to be used as a diagnostic beam (180D), a focusing element (140) for bringing the diagno...
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WO/2022/096413A1 |
A method for providing an ensemble of beamlets effectively acting as a high-energy laser pulse is disclosed. According to the method, a beamlet pattern with a plurality of spatially distributed laser beamlets is provided. The beamlets ar...
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WO/2022/097040A1 |
A method for performing a nonlinear optical operation includes pumping a laser with an optical signal at a pump wavelength and pumping the laser with an electronic or optical bias that acts as a hyperparameter, filtering out optical outp...
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WO/2022/088307A1 |
A high-power all-fiber laser beam combiner capable of adjusting the shape of output beams, comprising an input fiber bundle (1) and an output fiber (2). The input fiber bundle (1) and the output fiber (2) are matched and spliced by taper...
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WO/2022/087667A1 |
A composite all optical-fibre based tapered photonic waveguide (110) including a single or multiple secondary waveguides (120) within or around a primary waveguide (118) is described. The composite optical fibre may also be termed a beam...
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WO/2022/091959A1 |
This laser module (20) comprises a first LD (31) emitting first light (L1), a second LD (32) emitting second light (L2), a collimating lens (36), (37), and a wavelength combining element (45). The wavelength combining element (45) reflec...
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WO/2022/093750A1 |
A method of performing coherent anti-stokes Raman spectroscopy (CARS) includes generating first and second optical pulse trains having different and adjustable repetition rates. One of the pulse trains is directed in a CW direction and t...
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WO/2022/092469A1 |
Embodiments relate to a resonator and a passive mode locking-type high repetition rate-pulse laser oscillation system including same. The resonator is characterized by comprising: a graphene layer formed on a support; and a tapering fibe...
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WO/2022/085111A1 |
One aspect of the present disclosure relates to a laser apparatus comprising: an oscillator for outputting pulsed laser light; a rotary stage for supporting an optical element disposed on the optical path of the pulsed laser light; a gra...
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WO/2022/083105A1 |
Disclosed in the present invention is a crystal switching device suitable for an optical parametric oscillator, comprising a switching disc, a transmission disc, connection members and a positioning device; the switching disc and the tra...
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WO/2022/082986A1 |
Embodiments of the present application provide a gain adjustment method and an optical fiber amplifier. The gain adjustment method is applicable to the optical fiber amplifier, and the optical fiber amplifier at least comprises: a gain m...
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WO/2022/082875A1 |
An encapsulation structure for a semiconductor laser (4). The encapsulation structure comprises a housing (1); and a heat dissipation mechanism (3) and a transmitting hole (2), the transmitting hole (2) being provided in one side of the ...
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WO/2022/084233A1 |
A multipass laser amplifier (100) includes a mirror (130), a mirror device (140), a gain crystal (120), and refractive or diffractive beam-steering element (110). The gain crystal (120) is positioned on a longitudinal axis of the multipa...
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WO/2022/085012A1 |
A laser beam for improved atmospheric penetration is produced by a device having two or more laser sources each producing a laser beam of a different wavelength. The beams are combined by an optical combiner into a composite beam having ...
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WO/2022/085146A1 |
A laser apparatus according to the present invention comprises: a first actuator that adjusts an oscillation wavelength of a pulsed laser beam; a second actuator that adjusts a spectral line width of the pulsed laser beam; and a processo...
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WO/2022/083950A1 |
The invention relates to a pulse compression optical arrangement (1) for a pulsed laser beam (6), comprising: a grating arrangement (2) which has at least one diffraction grating (3, 4). The optical arrangement (1) comprises a beam-expan...
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WO/2022/083116A1 |
Provided is a dual-wavelength resonant cavity based on a volume Bragg grating, comprising: first to fourth volume Bragg gratings (TVBG1, TVBG2, RVBG3, RVBG4); the first volume Bragg grating (TVBG1) and the second volume Bragg grating (TV...
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WO/2022/084100A1 |
The invention relates to a pulsed or continuous fiber laser or fiber amplifier having an active fiber with a fiber core (1), a fiber cladding (2), and a doped region (3) with an active dopant which is used to amplify a laser pulse propag...
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WO/2022/077997A1 |
A miniature mid-infrared laser based on double microdisks, comprising a laser source (1), a coupler (2), an echo wall microdisk laser (3), and an echo wall microdisk optical parametric oscillator (4). The echo wall microdisk laser (3) an...
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WO/2022/078620A2 |
The invention relates to an amplifier arrangement for increasing power and energy, comprising a multipass cell and at least one amplifying medium, the multipass cell having concavely curved mirrors, and the amplifying medium being arrang...
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WO/2022/078254A1 |
The present application relates to the technical field of communications, and provided are a laser chip, an injection-locked laser, and a network device, for use in solving the problem of insufficient injection locking performance of inj...
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WO/2022/079078A1 |
A method for producing used electromagnetic radiation (2) includes the steps of: a) producing and radiating electromagnetic seed light radiation (4) at a seed light frequency, b) coupling the seed light radiation into an external optical...
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WO/2022/079180A1 |
The invention relates to a method for creating single photons having a predetermined wavelength fV, the method comprising the following steps: i) creating a single photon, preferably in a source and a resonator, the single photon having ...
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WO/2022/081917A1 |
The subject matter of this specification relates to a light detection and ranging (LiDAR) device that comprises, in some implementations, a pulsed-laser source configured to generate a pulsed optical signal, a continuous wave (CW) laser ...
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WO/2022/076147A1 |
An apparatus includes a diffractive grating (108) configured to receive multiple output beams (104) from an array (102) of laser sources (103). The apparatus also includes one or more optical elements (114, 116) configured to receive, di...
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WO/2022/076943A1 |
Devices, systems, and methods for generating ultraviolet lasers are disclosed. Schematics and arrangements of a combination structure implementation that often uses an intra-cavity second harmonic generation (SHG) element and a UV extrac...
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WO/2022/075553A1 |
A miniature optical sensing device for determining distance to an object and velocity of the object, and identifying the shape and structure of the object, for example, a solid-state LIDAR, and a method for determining distance to an obj...
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WO/2022/076799A1 |
A beam-shaper for transforming a MM beam with the flattop intensity distribution profile includes an end block which is fused to a downstream end of a fiber outputting the MM beam along a path within a laser head. The beam-shaper further...
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WO/2022/073065A1 |
The disclosure relates to a substituted cyclooctatetraene triplet excited-state quencher compound of Formula (I): wherein: Z is a wide band gap moiety; L is a non-conjugating linker group; each R, which may be the same or different, is a...
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WO/2022/072088A1 |
An apparatus for a light source includes: an electrical insulator that defines a channel; a gasket that surrounds at least a portion of the electrical insulator; and a shield between the channel and the gasket. The channel is configured ...
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WO/2022/068676A1 |
An optical fiber amplification apparatus, comprising a light receiving port (201), a first light output port (202), a second light output port (203), a gain medium (204), a pump laser (205), a reflection film (206), and a transmission an...
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WO/2022/065407A1 |
This method for laser processing a processing target comprising at least one sheet of metal foil includes a step of supplying pulsed excitation energy to a laser medium to generate laser light, and a step of shining the laser light onto ...
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WO/2022/064832A1 |
This fiber laser device comprises: an excitation light source that outputs first excitation light of a first wavelength; an excitation light source that outputs second excitation light of a second wavelength; an amplification fiber havin...
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WO/2022/061154A1 |
The described methods and devices minimize or reduce the effects of the leading amplified spontaneous emission component of an optical pulse in optical multi-pass amplifier systems. One multi-pass optical amplifier includes a gain medium...
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WO/2022/057710A1 |
The present application relates to a laser pulse shaping apparatus and method, and a pulse shaper and an optical system. The laser pulse shaping apparatus comprises: a pulse shaper, which is arranged on a device light path connected to a...
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