Method and system for controlling wavelengths of multi-path...

Details Method and system for controlling wavelengths of multi-path... Method and system for controlling wavelengths of multi-path...

Filed on

2011-06-14

Date issued

2011-06-14

Examiner

Stultz, Jessica T (Department: 2828)

Patent Class

Coherent light generators

SubClass

Particular beam control device

SubSubClass

Optical output stabilization

Other Related Categories

C372S034000, C372S038010

Type

Reexamination Certificate

Status

active

Patent number

07961766

Description

ABSTRACT:
A method for controlling wavelengths of a multi-path laser is provided. The method includes: obtaining a difference between an actual output wavelength and a target output wavelength of each laser (S601); obtaining a corrected control amount of a temperature controller of each laser by decoupling calculation according to the difference (S602); and determining a die temperature of each laser according to the corrected control amount of the temperature controller (S603). A system for controlling wavelengths of a multi-path laser includes a multi-path laser (10), a difference module (12), a decoupling module (14), and a temperature control module (16).

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patent: 6567198 (2003-05-01), Kang
patent: 7218864 (2007-05-01), Lee
patent: 2003/0108353 (2003-06-01), Nasu et al.
patent: 1252654 (2000-05-01), None
patent: 1396739 (2003-02-01), None
patent: 2006089453 (2006-08-01), None

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