延迟器级联型偏振控制器算法研究

Algorithm study on cascade retarders' polarization controller

利用邦加球图示法,推导了45°-0°-45°型偏振控制器的算法,得到偏振态变换时延迟量对应的计算公式。通过仿真对该算法进行验证,仿真结果表明:不论输入椭圆偏振光,线偏振光还是圆偏振光,该算法得到的输出偏振态与期望得到的输出偏振态一致,证明了该算法的合理性。

Using Poincaré Sphere,deduces the algorithm about the strucrure of 45°-0°-45° polarization controller,and receives the formulars related to each included retardation.By simulation,it is verified that to any input polarization state,such as elliptical polarized,line or circular polarized light,the output polarization state is consistent with the expected one,which shows the algorithm is reasonable.