发明名称 |
Semiconductor laser device |
摘要 |
A semiconductor laser device comprises: a semiconductor laser including laser resonators for emitting laser beams forward and backward oppositely along a plurality of parallel axes; a photodetector including a plurality of photodetector elements for detecting intensities of the laser beams emitted backward; and a waveguide located between the semiconductor laser and the photodetector for guiding the backward emitted laser beams to the corresponding ones of the photodetector elements, the waveguide including a plurality of guide grooves for guiding the backward emitted laser beams.
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申请公布号 |
US4847848(A) |
申请公布日期 |
1989.07.11 |
申请号 |
US19880157049 |
申请日期 |
1988.02.16 |
申请人 |
SANYO ELECTRIC CO., LTD. |
发明人 |
INOUE, YASUAKI;MINAKUCHI, KIMIHIDE;TABUCHI, NORIO |
分类号 |
G11B7/125;G11B7/14;H01S5/40 |
主分类号 |
G11B7/125 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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