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Fourier transform imaging spectropolarimeter using simultaneous polarization modulation

机译:使用同时偏振调制的傅立叶变换成像光谱偏振仪

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We introduce a Fourier transform imaging spectropolarimeter composed of a simultaneous polarization modulator and a Fourier transform spectrometer without slit. The spectropolarimeter enables the generation of four sets of fringe patterns with different polarization states of light from an object point. Fourier transform of the fringe patterns provides four equations of Stokes parameters in various wavenumbers. And we can obtain the full-stokes vector from the equations. The most significant advantage of the method is that the four polarized fringe patterns are obtained simultaneously and separated without aliasing. Additionally, the advantages of the Fourier transform spectrometer are maintained, such as high radiative throughput.
机译:我们介绍了由同时偏振调制器和不带狭缝的傅立叶变换光谱仪组成的傅立叶变换成像光谱仪。分光旋光仪可以生成四组条纹图,这些条纹图具有来自目标点的不同偏振态的光。条纹图案的傅立叶变换提供了各种波数的斯托克斯参数的四个方程。并且我们可以从方程中获得全炉料向量。该方法最显着的优点是可以同时获得四个偏振条纹图案,并且无需混叠即可将其分开。另外,保留了傅立叶变换光谱仪的优点,例如高辐射通量。

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