Coherent light generators – Particular beam control device – Optical output stabilization
Reexamination Certificate
2011-06-14
2011-06-14
Stultz, Jessica T (Department: 2828)
Coherent light generators
Particular beam control device
Optical output stabilization
C372S034000, C372S038010
Reexamination Certificate
active
07961766
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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Chen Haiqing
Ding Qichao
Zhang Hongpin
Huawei Technologies Co. Ltd.
Leydig , Voit & Mayer, Ltd.
Niu Xinning
Stultz Jessica T
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