位相共轭镜耦合到染料激光器中的频移现象

Frequency shift of self-pumped phase conjugate mirrors coupled to ring dye lasers

本文建议了一个测量位相共轭镜耦合到染料激光器后,当波长自扫描时,BaTiO_3晶体内的运动光栅的多普勒频移的方法,实验结果表明,多普勒频移Δf<0.2Hz.进一步的分析显示,多普勒频移不能解释朝长波方向扫描的波长自扫描现象.

In this paper we propose a new method of the measurement of the Doppler frequency shift due to the moving grating inside a BaTiO3 crystal when a self- pumped phase conjugate mirror is coupled to a ring dye laser. The experimental results show that the Doppler frequency shift is less than 0. 2 Hz. Furtheremore, the analysis indicates that the Doppler frequency shift cannot be Used to explain the wavelength self-scanning initially towards the longer wavelength.