Semiconductor laser drive

Details Semiconductor laser drive Semiconductor laser drive

1986-08-27

1988-09-13

Sikes, William L.

Coherent light generators

Particular component circuitry

Optical pumping

372 29, 372 32, 372 33, H01S 300, H01S 313

Patent

active

047714310

ABSTRACT:
A semiconductor laser driver is designed to detect a semiconductor laser output and control a drive voltage or current of a semiconductor laser so as to set a detected laser output to be a predetermined constant laser output. The laser driver includes an integrator for integrating the detected laser output, thereby utilizing an integrated signal as a semiconductor laser drive signal. The integrator integrates the difference between a voltage corresponding to the detected laser output and a reference voltage corresponding to the predetermined constant laser output.

REFERENCES:
patent: 4237427 (1980-12-01), Holland

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