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对采用四频差动法偏频的环形激光器中光场偏振度进行了计算和讨论。光场的偏振用圆基坐标下的琼斯矩阵表示。光场的偏振度由反射膜片和水晶片的光学性质决定,在环形腔中的不同位置处,光场的偏振度不同。
The polarization degree of the light field in a circular laser with a quadrature frequency offset method is calculated and discussed. The polarization of the light field is represented by the Jones matrix in the form of a circle-based coordinate. The degree of polarization of the light field is determined by the optical properties of the reflective film and the quartz film. The polarization degree of the light field is different at different locations in the annular cavity.