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公开(公告)号：US11482831B2
公开(公告)日：2022-10-25
申请号：US16641803
申请日：2018-08-24
发明人： Yutaka Akahane , Makoto Aoyama , Kanade Ogawa , Koichi Yamakawa
IPC分类号： H01S3/094 , H01S3/0941 , H01S3/16 , H01S3/113 , H01S3/06 , H01S3/04 , H01S3/08 , H01S3/042 , H01S5/00 , H01S3/00
摘要： Provided is a laser device in which: a laser medium doped with ytterbium emits light upon absorption of excitation light; the light emitted by the laser medium is amplified to obtain output light; and the output light is outputted in the form of a plurality of pulses. In the laser device, a spatial filter is disposed in the optical path of the light emitted by the laser medium or is disposed in the optical path of the output light outputted from an optical resonator, the spatial filter being configured to filter out a portion of the light or of the output light around the optical axis.
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2.发明授权公开(公告)号：US12027814B2
公开(公告)日：2024-07-02
申请号：US17823569
申请日：2022-08-31
发明人： Yutaka Akahane , Makoto Aoyama , Kanade Ogawa , Koichi Yamakawa
IPC分类号： H01S3/094 , H01S3/04 , H01S3/042 , H01S3/06 , H01S3/08045 , H01S3/0805 , H01S3/0941 , H01S3/113 , H01S3/16 , H01S5/00 , H01S3/00
CPC分类号： H01S5/005 , H01S3/0401 , H01S3/0405 , H01S3/0627 , H01S3/094076 , H01S3/09415 , H01S3/113 , H01S3/1618 , H01S3/1643 , H01S3/0057 , H01S3/0092 , H01S3/042 , H01S3/08045 , H01S3/0805
摘要： Provided is a laser device in which: a laser medium doped with ytterbium emits light upon absorption of excitation light; the light emitted by the laser medium is amplified to obtain output light; and the output light is outputted in the form of a plurality of pulses. In the laser device, a spatial filter is disposed in the optical path of the light emitted by the laser medium or is disposed in the optical path of the output light outputted from an optical resonator, the spatial filter being configured to filter out a portion of the light or of the output light around the optical axis.
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