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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 10 — Apr. 1, 2008
  • pp: B44–B51

Single disperser design for coded aperture snapshot spectral imaging

Ashwin Wagadarikar, Renu John, Rebecca Willett, and David Brady  »View Author Affiliations


Applied Optics, Vol. 47, Issue 10, pp. B44-B51 (2008)
http://dx.doi.org/10.1364/AO.47.000B44


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Abstract

We present a single disperser spectral imager that exploits recent theoretical work in the area of compressed sensing to achieve snapshot spectral imaging. An experimental prototype is used to capture the spatiospectral information of a scene that consists of two balls illuminated by different light sources. An iterative algorithm is used to reconstruct the data cube. The average spectral resolution is 3.6 nm per spectral channel. The accuracy of the instrument is demonstrated by comparison of the spectra acquired with the proposed system with the spectra acquired by a nonimaging reference spectrometer.

© 2008 Optical Society of America

OCIS Codes
(110.0110) Imaging systems : Imaging systems
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation
(300.6190) Spectroscopy : Spectrometers

History
Original Manuscript: September 10, 2007
Manuscript Accepted: November 28, 2007
Published: February 8, 2008

Citation
Ashwin Wagadarikar, Renu John, Rebecca Willett, and David Brady, "Single disperser design for coded aperture snapshot spectral imaging," Appl. Opt. 47, B44-B51 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-10-B44


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