Ultra stable and adjustment-free “cat’s eye” cavity He-Ne laser

XU Zhi-guang; ZHANG Shu-lian; DU Wen-hua; LI Yan; ZHU Jun

Laser cavity stability is a conventional and concerning subject from the birth of laser.With a "cat's eye" reflector as the reflecting mirror,the problems of laser adjustment and power stability can be solved.Comprehensive experiments are carried out in a half-external cavity He-Ne laser and the "cat's eye" reflector cavity,plane-concave mirror cavity and concave-concave mirror cavity.The results show that the use of the half-external "cat's eye" cavity can improve the laser stability and lower the power drift significantly.The adjustment problem is also considered and solved.A stable and adjustment-free He-Ne laser is finally realized,which exhibits remarkable advantages than the current He-Ne lasers.

Corresponding author: ZHANG Shu-lian, zsl-dpi@tsinghua.edu.cn;

1. Department of Precision Instruments and Mechanics, Tsinghua University, Beijing 100084, China

Received Date: 2005-02-28

Accepted Date: 2005-03-11

Available Online: 2006-03-25

Abstract: Laser cavity stability is a conventional and concerning subject from the birth of laser.With a "cat's eye" reflector as the reflecting mirror,the problems of laser adjustment and power stability can be solved.Comprehensive experiments are carried out in a half-external cavity He-Ne laser and the "cat's eye" reflector cavity,plane-concave mirror cavity and concave-concave mirror cavity.The results show that the use of the half-external "cat's eye" cavity can improve the laser stability and lower the power drift significantly.The adjustment problem is also considered and solved.A stable and adjustment-free He-Ne laser is finally realized,which exhibits remarkable advantages than the current He-Ne lasers.

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Reference (14)

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Ultra stable and adjustment-free “cat’s eye” cavity He-Ne laser

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References

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通讯作者: 陈斌, bchen63@163.com

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