Laser controller

Details Laser controller Laser controller

1992-03-10

1994-04-19

Davie, James W.

Coherent light generators

Particular beam control device

Optical output stabilization

372 29, 372 38, H01S 310

Patent

active

053053370

ABSTRACT:
A laser beam controller having a laser beam emitter for emitting a laser beam and a beam receiver which receives the laser beam emitted from the laser beam emitter and outputs a light receipt signal corresponding to a signal level of the laser beam. The laser controller includes a reference signal outputting device for outputting a reference signal in accordance with an environmental humidity of the laser controller. A comparator compares the light receipt signal of the light receiver with the references signal. A control device controls the output of the laser beam emitter in accordance with the comparison result of the comparator.

REFERENCES:
patent: 4727382 (1988-02-01), Negishi et al.
patent: 4802179 (1989-01-01), Negishi
patent: 4879459 (1989-11-01), Negishi
patent: 5018154 (1991-05-01), Ohashi

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