本文首先利用琼斯矩阵算法对高功率氧碘激光器腔内的偏振特性进行了分析，并得出结论，谐振腔内的本征振荡一般为椭圆偏振。
The polarization characteristics in the high power COIL resonator is analyzed by Jones calculus, and draw a conclusion that, in general the eigen-polarization state is elliptical polarization.
边界条件对耦合效应有较大的影响，较强的边界条件使椭圆板热弹耦合自由振动的频率变低，但振荡幅度增大。
The boundary conditions has strong influence on the coupling effect, the stronger it is, the smaller frequency of free vibration is but the larger amplitude is.
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