Development of the LD-pumped monolithic Nd：YAG laser power supply

GAO Lan; WANG Jing-feng; YANG Su-hui; ZHAO Chang-ming

LASER TECHNOLOGY > 2006 > 30(6): 664-666.

GAO Lan, WANG Jing-feng, YANG Su-hui, ZHAO Chang-ming. Development of the LD-pumped monolithic Nd：YAG laser power supply[J]. LASER TECHNOLOGY, 2006, 30(6): 664-666.

Citation:

GAO Lan, WANG Jing-feng, YANG Su-hui, ZHAO Chang-ming. Development of the LD-pumped monolithic Nd：YAG laser power supply[J]. LASER TECHNOLOGY, 2006, 30(6): 664-666.

Citation:

GAO Lan, WANG Jing-feng, YANG Su-hui, ZHAO Chang-ming. Development of the LD-pumped monolithic Nd：YAG laser power supply[J]. LASER TECHNOLOGY, 2006, 30(6): 664-666.

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Development of the LD-pumped monolithic Nd：YAG laser power supply

1.
Department of Optoelectronics Engineering, Beijing Institute of Technology, Beijing 100081, China;
2.
Science and Technology Development Center, Changchun University of Science and Technology, Changchun 130022, China

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Received Date: October 27, 2005
Revised Date: December 07, 2005
Published Date: November 24, 2006

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Abstract

Abstract

A LD power supply for pumping the monolithic laser is developed and driven by constant current circuit.Software monitoring is applied to test and adjust long period stability and fault of current.Temperature adjustment arithmetic of fuzzy and proportional-integral-derivative(PID) control is used to gain small overshoot and high control precision.Basic PID arithmetic is simplified by using a subsection chosen value to improve the operation speed more than ten times.Continuously frequency adjustable laser is realized in a certain temperature range,whose current stability is less than 2mA,lasting temperature fluctuation is below 0.1℃.
- laser technique,
- laser power supply,
- proportional-integral-derivative,
- temperature control

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References (11)

References

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