We study beam-coupling in this paper considering the optical activity, the electrooptic, piezoelectric and photoelastic effects in BSO.By programming, we solve coupled-wave equations.

• 本文在研究光波耦合时,考虑了BSO晶体的旋光性、电光效应、压电效应、弹光效应,通过编写程序,运用数值解法求解了耦合方程。