Semiconductor laser device

Details Semiconductor laser device Semiconductor laser device

2008-09-09

2008-09-09

Harvey, Minsun (Department: 2828)

Coherent light generators

Particular active media

Semiconductor

C372S099000

Reexamination Certificate

active

11350273

ABSTRACT:
The semiconductor laser device1A has a semiconductor laser array3including a plurality of active layers2arranged in parallel along a slow direction, and outputs laser beams from the front end face2aside of the active layers2.The semiconductor laser device1A comprises a collimating lens5that collimates laser beams L1outputted from the respective rear end faces2bof the active layers2within a plane orthogonal to the slow axis, and a reflecting mirror9that feeds back parts of the laser beams L2outputted from the collimating lens5to the respective active layers2via the collimating lens5.

REFERENCES:
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patent: 4976539 (1990-12-01), Carlson et al.
patent: 5434874 (1995-07-01), Fouquet et al.
patent: 5513201 (1996-04-01), Yamaguchi et al.
patent: 5761227 (1998-06-01), Hargis et al.
patent: 3071360 (2000-05-01), None

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