Semiconductor laser output control circuit

Details Semiconductor laser output control circuit Semiconductor laser output control circuit

1988-09-07

1989-05-30

Scott, Jr., Leon

Coherent light generators

Particular beam control device

Having particular beam control circuit component

372 38, H01S 313

Patent

active

048357804

ABSTRACT:
A semiconductor laser output control apparatus for controlling a drive current to be supplied to a semiconductor laser which is turned on and off so as to maintain a light output from the semiconductor laser at constant. At the rising edge when the semiconductor laser is turned on, constant current supplied from a constant current source to the semiconductor laser is corrected by correction current.

REFERENCES:
patent: 4329659 (1982-05-01), Chen
patent: 4412331 (1983-11-01), Chapman
patent: 4577320 (1886-03-01), Yoshikawa et al.
patent: 4663760 (1987-05-01), Shimada et al.
patent: 4689795 (1987-08-01), Yoshimoto et al.
patent: 4709370 (1987-11-01), Bednarz et al.
patent: 4763334 (1988-08-01), Shimada et al.

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