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公开(公告)号：US20230170660A1
公开(公告)日：2023-06-01
申请号：US18161904
申请日：2023-01-31
Applicant: TRUMPF Laser GmbH
Inventor： Jonathan Brons , Raphael Scelle , Dominik Bauer , Aleksander Budnicki , Alexander Killi , Dirk Sutter , Peter Kroetz
CPC classification number: H01S3/0057 , G02F1/3511 , G02F1/3503
Abstract: A laser system for nonlinear pulse compression includes a laser source configured to generate laser pulses with a pulse energy of at least 50 mJ, a spectral broadening device for spectrally broadening the high-energy laser pulses using self-phase modulation, and a compression device including a grating compressor having at least two diffraction gratings and configured to compress the spectrally broadened high-energy laser pulses. The laser system is configured to generate a pulse duration of the high-energy laser pulses of less than 100 fs.
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Patent Agency Ranking
2.发明申请公开(公告)号：US20240380170A1
公开(公告)日：2024-11-14
申请号：US18780536
申请日：2024-07-23
Applicant: TRUMPF Laser GmbH
Inventor： Raphael Scelle , Aleksander Budnicki , Florian Jansen , Markus Ginter , Jonathan Brons , Rainer Flaig
IPC: H01S3/00
Abstract: A method for generating output laser pulses includes generating input laser pulses having an equal pulse duration, and coupling the input laser pulses into an optical actuator. A dispersion of the optical actuator is settable. The method further includes setting the dispersion of the optical actuator for a current input laser pulse, so that a pulse duration change caused by a change of a temperature of at least one component and/or by a change of an ambient temperature is compensated for, and that an associated output laser pulse has a pulse duration corresponding or nearly corresponding to a target pulse duration.
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公开(公告)号：US20230387640A1
公开(公告)日：2023-11-30
申请号：US18448217
申请日：2023-08-11
Applicant: TRUMPF Laser GmbH
Inventor： Jonathan Brons , Rainer Flaig , Dirk Sutter , Ivo Zawischa
CPC classification number: H01S3/0092 , H01S3/10015 , H01S3/0085 , H01S3/1302
Abstract: A method for generating output laser pulses from input laser pulses includes causing the input laser pulses to temporally successively pass through an optical component with temperature-dependent power efficiency. The optical component is heated by the passing of the input laser pulses. The input laser pulses emerge from the optical component as output laser pulses. The method further includes calculating a current temperature or a current temperature difference of the optical component, or a temperature-dependent current parameter based on all preceding input laser pulses or output laser pulses that have contributed to the heating of the optical component, and setting a power of a current input laser pulse based on the calculated current temperature, or the calculated current temperature difference, or the calculated current parameter, so that an associated output laser pulse has a pulse energy that deviates from a predefined pulse energy by less than 5%.
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公开(公告)号：US11942752B2
公开(公告)日：2024-03-26
申请号：US18448217
申请日：2023-08-11
Applicant: TRUMPF Laser GmbH
Inventor： Jonathan Brons , Rainer Flaig , Dirk Sutter , Ivo Zawischa
CPC classification number: H01S3/0092 , H01S3/0085 , H01S3/10015 , H01S3/1302
Abstract: A method for generating output laser pulses from input laser pulses includes causing the input laser pulses to temporally successively pass through an optical component with temperature-dependent power efficiency. The optical component is heated by the passing of the input laser pulses. The input laser pulses emerge from the optical component as output laser pulses. The method further includes calculating a current temperature or a current temperature difference of the optical component, or a temperature-dependent current parameter based on all preceding input laser pulses or output laser pulses that have contributed to the heating of the optical component, and setting a power of a current input laser pulse based on the calculated current temperature, or the calculated current temperature difference, or the calculated current parameter, so that an associated output laser pulse has a pulse energy that deviates from a predefined pulse energy by less than 5%.
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公开(公告)号：US11846866B2
公开(公告)日：2023-12-19
申请号：US17965801
申请日：2022-10-14
Applicant: TRUMPF Laser GmbH
Inventor： Dominik Bauer , Jonathan Brons , Alexander Killi
CPC classification number: G02F1/3503 , G02F1/3507 , G02F1/3511 , H01S3/0092 , G02F2201/17
Abstract: An apparatus for spectral broadening of laser pulses includes a main body, a plurality of mirror elements fastened to the main body, each having a mirror surface formed thereon and configured to reflect the laser pulses the plurality of mirror elements being fastened to a main body, and at least one nonlinear optical medium for the passage of the laser pulses for the generation of a nonlinear phase (ΦNL) by self-phase modulation. The at least one nonlinear optical medium may be a sheet-like and disk-shaped solid-state optical medium and/or a gaseous optical medium.
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公开(公告)号：US20230038729A1
公开(公告)日：2023-02-09
申请号：US17965801
申请日：2022-10-14
Applicant: TRUMPF Laser GmbH
Inventor： Dominik Bauer , Jonathan Brons , Alexander Killi
Abstract: An apparatus for spectral broadening of laser pulses includes a main body, a plurality of mirror elements fastened to the main body, each having a mirror surface formed thereon and configured to reflect the laser pulses the plurality of mirror elements being fastened to a main body, and at least one nonlinear optical medium for the passage of the laser pulses for the generation of a nonlinear phase (ΦNL) by self-phase modulation. The at least one nonlinear optical medium may be a sheet-like and disk-shaped solid-state optical medium and/or a gaseous optical medium.
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