斯托克斯参量
光学
傅里叶变换
成像光谱仪
分光计
物理
极化(电化学)
混叠
光谱成像
线极化
旋光法
光谱包络
棱镜
计算机科学
散射
滤波器(信号处理)
化学
物理化学
量子力学
计算机视觉
激光器
作者
Naicheng Quan,Chunmin Zhang,Tingyu Yan,Qiwei Li,Ruiru Gao,Tingkui Mu
标识
DOI:10.1016/j.optcom.2016.11.072
摘要
The theoretical operation and experimental demonstration of a Fourier-transform linear imaging spectropolarimeter are presented. It is composed of a rotating Glan-Taylor prism and a Fourier-transform spectrometer based on Savart polariscope. The polarized light enters the spectrometer to create three sets of interferograms, where the spectral linear Stokes parameters can be calculated and acquired. Compared with previous instruments, the significant advantages of the described sensor are that there are no spatial aliasing in the polarized spectra and it can be used in wider spectral coverage with low cost, ultra-compact size and a simpler common-path configuration. Another static linearly Stokes imaging spectropolarimeter based on the field of view division technique and SPIIS is conceptually described. The spectral dependence of linear Stokes parameters can be recovered with Fourier transformation. Since there is no rotating or moving parts, the system is relatively robust.
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