摘要
激光变频技术是激光应用的重要环节。激光Raman技术适合对高峰值功率的脉冲光进行频率转换 ,具有转换效率高、光束质量好等特点 ,尤其是随着调Q、锁模技术的不断成熟 ,这种技术将成为激光频率转换技术的一个重要发展方向。文中提出将Raman频移、线宽、积分和峰值Raman散射截面、Raman增益系数作为评价材料的参数。对白钨矿、黑钨矿、双钨矿型和锆英石型结构的晶体进行了分类 ,讨论了它们的性能以及作为激光频移技术的Raman激光晶体的开发前景。
Laser frequency conversion is a key technology in laser application. Solid-state Raman crystals suitable for stimulated Raman scattering are used for the frequency shift of high-peak laser pluses with high efficiency and high optical beam quality. This technology is an important trend for laser frequency conversion especially with the development of Q-switching and mode-locking technologies. Raman frequency shift, line width, integral and peak Raman scattering cross section and Raman gain coefficient are proposed as the parameters to evaluate Raman materials. According to the structure of materials, Raman crystals can be divided into scheelite type, wolframite type, bitungstate and zirconite type. The properties of those crystals and development prospect of Raman crystals for laser shifting are discussed.
出处
《硅酸盐学报》
EI
CAS
CSCD
北大核心
2004年第3期372-377,383,共7页
Journal of The Chinese Ceramic Society
基金
北京市教委 (0 0KJ 0 3 7)
中国科学院化学研究所光化学重点实验室基金资助。
