H - Electricity – 01 – S
Patent
H - Electricity
01
S
345/32
H01S 3/13 (2006.01) H01S 5/028 (2006.01) H01S 5/068 (2006.01) H01S 5/0683 (2006.01)
Patent
CA 1295403
ABSTRACT OF THE DISCLOSURE According to this invention, in a semiconductor laser apparatus which detects a laser beam from a semiconductor laser element using a light-receiving element so as to perform automatic light power control, a temperature dependency of a power of a laser beam transmitted through an end face protection film of the semiconductor laser element and that of a detection power of the light-receiving element have inverse characteristics to each other, so that a variation in intensity of output light due to a change in temperature is minimized.
567823
Okada Tsunekazu
Yamaguchi Nozomu
Gowling Lafleur Henderson Llp
Sony Corporation
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