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Opt Lett. 2010 Nov 15;35(22):3784-6. doi: 10.1364/OL.35.003784.

Compact static Fourier transform imaging spectropolarimeter based on channeled polarimetry.

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Key Laboratory for Physical Electronics and Devices of the Ministry of Education and Shaanxi Key Lab of Information Photonic Technique, Xi'an Jiaotong University, Xi'an 710049, China.


The theoretical operation and experimental demonstration of a Fourier transform imaging spectropolarimeter for real time measurement of the polarization state of light are presented. The spectropolarimeter uses a Wollaston prism as a birefringent interferometer and two high-order retarders to incorporate channeled polarimetry. Compared with previous instruments, the most significant advantage of the described model is that the complete wavelength-dependent polarization is acquired simultaneously along a one-dimensional spatial image by a single snapshot. Also, we show that, in this configuration, we can benefit from the advantages of the model: it is compact and robust, and the birefringent interferometer has a high throughput.

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