[1] Griffith G A. USP. 4352188,1982
[2] Laakmann K D. Recent development in RF excited CO2 wayeguide lasers. Presented at CLEO, San Diego, CA. 1980
[3] Kim Y M, Youn C E, Ra J W. J A P, 1990,67(2),1127-1129
[4] He D J. Hall D R. J A P, 1983:54(3),4367-4373 [5] 北京邮电学院编.微波技术基础.北京:人民邮电出版社,1976