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Proceedings Paper

Compressive Echelle spectroscopy
Author(s): Lina Xu; Mark A. Davenport; Matthew A. Turner; Ting Sun; Kevin F. Kelly
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Paper Abstract

Building on the mathematical breakthroughs of compressive sensing (CS), we developed a 2D spectrometer system that incorporates a spatial light modulator and a single detector. For some wavelengths outside the visible spectrum, when it is too expensive to produce the large detector arrays, this scheme gives us a better solution by using only one pixel. Combining this system with the "smashed filter" technique, we hope to create an efficient IR gas sensor. We performed Matlab simulations to evaluate the effectiveness of the smashed filter for gas tracing.

Paper Details

Date Published: 14 September 2011
PDF: 13 pages
Proc. SPIE 8165, Unconventional Imaging, Wavefront Sensing, and Adaptive Coded Aperture Imaging and Non-Imaging Sensor Systems, 81650E (14 September 2011); doi: 10.1117/12.894191
Show Author Affiliations
Lina Xu, Rice Univ. (United States)
Mark A. Davenport, Stanford Univ. (United States)
Matthew A. Turner, Rice Univ. (United States)
Ting Sun, Rice Univ. (United States)
Kevin F. Kelly, Rice Univ. (United States)


Published in SPIE Proceedings Vol. 8165:
Unconventional Imaging, Wavefront Sensing, and Adaptive Coded Aperture Imaging and Non-Imaging Sensor Systems
Stanley Rogers; Jean J. Dolne; David P. Casasent; Thomas J. Karr; Victor L. Gamiz, Editor(s)

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