Title:
SEMICONDUCTOR LASER DEVICE AND METHOD FOR CONTROLLING SEMICONDUCTOR LASER DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/153707
Kind Code:
A1
Abstract:
A semiconductor laser device (1) comprises: a plurality of light amplifying units which are controlled by a controller (80) and which each emit light; a diffraction grating (50) on which light from the plurality of light amplifying units is incident; and a revolving mirror that can revolve and is disposed on the light paths between the diffraction grating (50) and the plurality of light amplifying units. The controller (80) revolves the revolving mirror in accordance with the current applied to the plurality of light amplifying units, and the angle of incidence of light with respect to the diffraction grating (50) changes depending on the current applied.
Inventors:
YAMAGUCHI HIDEO
FUKAKUSA MASAHARU
FUKAKUSA MASAHARU
Application Number:
PCT/JP2021/044364
Publication Date:
July 21, 2022
Filing Date:
December 02, 2021
Export Citation:
Assignee:
PANASONIC HOLDINGS CORP (JP)
International Classes:
H01S5/022; G02B26/08; G02B26/10; H01S5/14; H01S5/40
Domestic Patent References:
| WO2019155668A1 | 2019-08-15 | |||
| WO2020084652A1 | 2020-04-30 | |||
| WO2015083200A1 | 2015-06-11 |
Foreign References:
| JP2009117746A | 2009-05-28 | |||
| JP2014110257A | 2014-06-12 | |||
| JP2019004121A | 2019-01-10 | |||
| CN111129951A | 2020-05-08 |
Attorney, Agent or Firm:
NII, Hiromori et al. (JP)
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