Method and apparatus for obtaining and maintaining...

Details Method and apparatus for obtaining and maintaining... Method and apparatus for obtaining and maintaining...

2004-12-30

2010-02-23

Harvey, Minsun (Department: 2828)

Coherent light generators

Particular beam control device

Mode locking

C372S029015

Reexamination Certificate

active

07668213

ABSTRACT:
A method and apparatus for detecting and controlling the conditions needed for starting and maintaining mode-locked operation of a laser system including a fiber oscillator and high power fiber amplifier. The invention is used to monitor the output power and repetition rate of the fiber oscillator and control the operation of the oscillator such that the oscillator obtains and maintains correct mode-locked operation despite changes in environmental conditions such as temperature, and also with changes due to component aging or degradation.

REFERENCES:
patent: 4866712 (1989-09-01), Chao
patent: 6738408 (2004-05-01), Abedin
patent: 6850543 (2005-02-01), Cundiff et al.
patent: 6957019 (2005-10-01), Gupta et al.
patent: 2002/0176452 (2002-11-01), Lin et al.

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