Channeled spectropolarimetry with increased bandwidth and aliasing reduction

  • Naicheng Quan
  • , Caiyin You
  • , Chunmin Zhang
  • , Tingkui Mu

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

A channeled spectropolarimetry with increased bandwidth and aliasing reduction that consists of a high order retarder and a Wollaston prism is presented. It has the advantages of compact, low-cost, static and a measurement speed of the complete spectrally resolved Stokes vector [S0(σ) S1(σ) S2(σ) S3(σ)]T around 30 ms. Compared with the conventional channeled spectropolarimetry, it can acquire full resolution S0(σ) reconstruction and S1(σ), S2(σ) and S3(σ) reconstruction without errors caused by dominant aliasing between the channels. Besides, the bandwidth of each channel increases by 7/3 times than that of conventional channeled spectropolarimetry. The feasibility of the proposed method is demonstrated by both simulation and laboratory experiments.

Original languageEnglish
Pages (from-to)562-570
Number of pages9
JournalOptik
Volume181
DOIs
StatePublished - Mar 2019

Keywords

  • Channeled spectropolarimeter
  • Imaging spectropolarimeter
  • Polarimetry

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