[1] WOODBURY E J,SOOY W R.Laser using porro prism and reflectors:US,3464026[P].1969-08-26.
[2] CROW T G.Laser apparatus employing mechanical stabilization means:US,3924201[P].1975-12-02.
[3] CHENG Yong,WANG Hui-sheng,WANG Zhi-huai,et al.Alignment -free solid laser apparatus:US,6526088[P].2003 -02 -25.
[6] LIU Jing-hua,ZHANG Shu-lian,LI Yan,et al.Improvement of self-micrometer laser through employing CCP[C]// International Symposium on Photonics in Measurement,2002:233-238.