同时测量Ce:KNSBN晶体两波耦合指数增益系数和吸收系数的一种方法

Method to Determine Both the Gain Coefficient and Absorption Coefficient of Two-wave Coupling in Ce:KNSBN Crystal

本文利用光折变晶体中双光束耦合的有关理论,提出了一种同时测量光折变晶体中双光束耦合指数增益系数和吸收系数的新方法,并用Ce:KNSBN晶体进行了实验研究.

Based on the theory of degenerate two-wave mixing, a method to determine both the gain coefficient and absorption coefficient of photorefrative crystals is presented. Using this method we have measured the Γ and a of a sample crystal Ce:KNSBN.