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Optical Engineering

Imaging polarization spectrometer based on the Wollaston prisms
Author(s): Zhan Gao; Yaya Mao; Xiaolei Chen; Zeming Lin
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Paper Abstract

As a measuring technique, owing to its high throughput and multichannel advantages, interference imaging spectroscopy is widely used in many fields. This technique can be classified as temporally modulated Fourier transform spectrometer (TMFTS) and spatially modulated Fourier transform spectrometer (SMFTS). In contrast to TMFTS-based instruments, instruments using SMFTS are more stable, simple, and compact. In spectrometry, improvements of the spectral resolution and the optical throughput are always the focus points. A new static Fourier-transform imaging spectrometer based on the use of Wollaston prisms is presented. The novelty of this work comes from the use of a longer optical path difference, which provides higher spectral resolution. The principle and the system configuration are described. An experimental system based on the Wollaston prisms has been built and preliminary imaging spectroscopy experiments have been performed with it.

Paper Details

Date Published: 1 April 2011
PDF: 6 pages
Opt. Eng. 50(4) 043602 doi: 10.1117/1.3560263
Published in: Optical Engineering Volume 50, Issue 4
Show Author Affiliations
Zhan Gao, Beijing Jiaotong Univ. (China)
Yaya Mao, Beijing Jiaotong Univ. (China)
Xiaolei Chen, Beijing Jiaotong Univ. (China)
Zeming Lin, Beijing Jiaotong Univ. (China)

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