Laser module, control method of the same, control data of...

Details Laser module, control method of the same, control data of... Laser module, control method of the same, control data of...

2011-03-15

2011-03-15

Harvey, Minsun (Department: 2828)

Coherent light generators

Particular component circuitry

Controlling current or voltage to laser

C372S029011, C372S034000, C372S038020, C372S108000

Reexamination Certificate

active

07907650

ABSTRACT:
A laser module includes a semiconductor laser, an output optical system provided on an optical output side of the semiconductor laser, a temperature detecting element that detects a temperature of the output optical system; and an output controller that calculates a drive current to set an optical output intensity of the laser module at a desired value on the basis of temperature information obtained by the temperature detecting element, and outputs the drive current to the semiconductor laser.

REFERENCES:
patent: 4725854 (1988-02-01), Ohtsuka et al.
patent: 6807199 (2004-10-01), Ono et al.
patent: 6922423 (2005-07-01), Thornton
patent: 2001/0019562 (2001-09-01), Kai et al.
patent: 2004/0264518 (2004-12-01), Chang
patent: 5-312646 (1993-11-01), None
patent: 8-139395 (1996-05-01), None

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