A Design of High Power LD Aging Instrument

A high power LD aging instrument is discussed in this article. Two hundred LDs can be put on the instrument at the same time. The aging current is programmable between 0~2 A. Its current stability is better than 0.1%. A PID controller is used to make the LD's temperature steadily. The undulation of LD's temperature is within ±1 ℃.

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aging instrument high power semiconductor laser laser technique PID temperature controll PWM

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MA Hai-tao, XIN De-sheng, ZHANG Jian-jia. A Design of High Power LD Aging Instrument[J]. Chinese Journal of Lasers, 2003, 30(s1): 7

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