Light quantity control device

Details Light quantity control device Light quantity control device

1987-08-21

1989-12-26

Lee, John D.

Coherent light generators

Particular beam control device

Optical output stabilization

372 29, 372 38, H01S 313

Patent

active

048902888

ABSTRACT:
A light quantity control device suitable for use in a laser beam printer. A controller varies the quantity of light emitted by a semiconductor laser so as to maintain a constant light quantity, regulating the rate of variation of the light quantity according to the output of a monitor for detecting the quantity of light emitted from the semiconductor laser.

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"Simultaneous Feedback Control of Bias and Modulation Currents for Injection Lasers", Chen, Electronics Letters, 1/3/80, vol. 16, No. 1, pp. 7-8.

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