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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 12, Iss. 4 — Apr. 1, 2014
  • pp: 043001–

High-throughput deconvolution-resolved computational spectrometer

Jiang Yue, Jing Han, Yi Zhang, and Lianfa Bai

Chinese Optics Letters, Vol. 12, Issue 4, pp. 043001- (2014)


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Abstract

A novel high-throughput spectrometer with a wide-slit is presented. In conventional spectrometers, the slit limited the light throughput. Here, the slit is replaced with a much wider one (200 ?m) to increase throughput. A beam splitter is utilized to construct a dual-path optics to measure both non-dispersed and dispersed light intensity which comes from the wide-slit. While the dispersed light intensity is result of the non-dispersed light convoluted spectrum of the source, the spectrum can be acquired by solving the inverse problem of deconvolution. Experiments show that the reconstructed spectra achieved almost the same resolution measured by traditional spectrometer, while throughput and peak signal-to-noise ratio (PSNR) are improved dramatically.

© 2014 Chinese Optics Letters

OCIS Codes
(100.3190) Image processing : Inverse problems
(100.6640) Image processing : Superresolution
(300.6190) Spectroscopy : Spectrometers

ToC Category:
Spectroscopy

Citation
Jiang Yue, Jing Han, Yi Zhang, and Lianfa Bai, "High-throughput deconvolution-resolved computational spectrometer," Chin. Opt. Lett. 12, 043001- (2014)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-12-4-043001


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