Zhang Chunmin, Quan Naicheng, Mu Tingkui
Appl Opt. 2018 Jul 20;57(21):6128-6134. doi: 10.1364/AO.57.006128.
A Stokes channeled interference imaging spectropolarimeter with full-resolution spectra and aliasing reduction is presented. The sensor uses a Wollaston prism, a Savart polariscope, and a linear analyzer as a birefringent interferometer, along with two high-order retarders to incorporate channeled polarimetry employing a tempo-spatially mixed modulated mode with no internal moving parts and offering a robust system. The performance of the system is verified through laboratory tests. Compared with the previous sensors, the most significant advantage of the described instrument is that the reconstructed spectra retain the resolution of the interferometer, and the errors in the reconstructed spectral resolved polarization state caused by aliasing between the interference channels are suppressed effectively. Additionally, the advantages of the interferometer are maintained, such as compact structure and high optical throughput.
本文介绍了一种具有全分辨率光谱和减少混叠功能的斯托克斯通道干涉成像光谱偏振仪。该传感器使用沃拉斯顿棱镜、萨瓦尔偏光镜和线性分析仪作为双折射干涉仪，以及两个高阶延迟器，以采用时空混合调制模式实现通道偏振测量，该模式无内部运动部件且系统稳健。通过实验室测试验证了该系统的性能。与先前的传感器相比，所描述仪器的最显著优势在于重建光谱保留了干涉仪的分辨率，并且有效抑制了干涉通道之间混叠导致的重建光谱分辨偏振态误差。此外，还保留了干涉仪的优点，如结构紧凑和光学通量高。
