摘要
光束发散角的测定方法有多种,本文提出一种新的测定方法,利用BBO晶体倍频中的角度匹配来测定发散角,精度较高.
A new method is designed to determinate the light beam dispersion angle according to the fact that the BBO crystal has a certain phase match angle on certain light-frequencies while doubling frequency. The method is simple and more precise.
出处
《量子电子学报》
CAS
CSCD
2000年第4期374-376,共3页
Chinese Journal of Quantum Electronics
关键词
BBO倍频晶体
光束发散角
激光束
BBO frequency-doubling crystal, phase match angle, dispersion angle