Semiconductor laser apparatus for optical head

Details Semiconductor laser apparatus for optical head Semiconductor laser apparatus for optical head

1986-04-17

1988-03-22

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250211J, 357 19, H01J 314

Patent

active

047330678

ABSTRACT:
In a semiconductor laser apparatus for an optical head, a beam splitter having a first surface incline at a predetermined angle with respect to a radiant surface of a semiconductor laser chip is fixed on a photodetector to reduce the cost of the optical head.

REFERENCES:
patent: 3941945 (1976-03-01), Borner et al.
patent: 4284884 (1981-08-01), Dyment et al.
patent: 4293826 (1981-10-01), Scifres et al.
patent: 4334300 (1982-06-01), Arquie et al.
patent: 4338577 (1982-07-01), Sato et al.
patent: 4541084 (1985-09-01), Oku et al.
patent: 4626679 (1986-12-01), Kuwayama et al.

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