Power stabilized laser diode array

Details Power stabilized laser diode array Power stabilized laser diode array

2011-02-22

2011-02-22

Rodriguez, Armando (Department: 2828)

Coherent light generators

Particular beam control device

Optical output stabilization

C372S029021, C372S034000

Reexamination Certificate

active

07894495

ABSTRACT:
A system for controlling optical-power stability of emitting laser diodes (204), the laser diodes exhibiting temperature changes at the laser diode junctions (312), the temperature changes are predicted according to the laser diodes duty cycle. The system includes, a laser diodes arranged to emit light on a target (14); a data stream analyzer (408) configured to receive incoming data stream (324) analyze the data and produce an image data occurrence factor of larger than zero values (424) representing the data in the incoming data stream (324); and an optical power stabilizer (412) configured to control current intensity (428) applied on a laser diode according to the image data occurrence factor (424).

REFERENCES:
patent: 4378956 (1983-04-01), Lester
patent: 6559880 (2003-05-01), Ohba
patent: 2005/0116666 (2005-06-01), Shimizu et al.
patent: 2007/0285491 (2007-12-01), Kishimoto
patent: 2008/0055672 (2008-03-01), Watanabe et al.
patent: 2009/0028199 (2009-01-01), Brown et al.

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