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Proceedings Paper

Snapshot spectral imaging demonstrator
Author(s): Martin De Biasio; Thomas Arnold; Andreas Tortschanoff; Raimund Leitner
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Paper Abstract

Spectral imaging measures data that is spatially and spectrally resolved: that is at each point in the image the spectrum is measured. Classical spectral imaging requires that the sample is scanned either spatially or spectrally. The main drawback of the classical approaches is that they are sequential. This paper presents a computed tomographic imaging spectrometer (CTIS) that can image two spatial and one spectral dimension in one camera frame. Unlike hyper-spectral imaging techniques which provide full spatial and spectral resolution, with the proposed technique there is a tradeoff between spatial and spectral resolution. The proposed CTIS system uses two crossed glass gratings that project the spectral and spatial image information to a 2D CCD camera array. The current system is designed for microscopic applications in pathology and cell imaging as well as macroscopic material analysis.

Paper Details

Date Published: 12 May 2011
PDF: 6 pages
Proc. SPIE 8032, Next-Generation Spectroscopic Technologies IV, 803212 (12 May 2011); doi: 10.1117/12.899471
Show Author Affiliations
Martin De Biasio, Carinthian Tech Research AG (Austria)
Thomas Arnold, Carinthian Tech Research AG (Austria)
Andreas Tortschanoff, Carinthian Tech Research AG (Austria)
Raimund Leitner, Carinthian Tech Research AG (Austria)

Published in SPIE Proceedings Vol. 8032:
Next-Generation Spectroscopic Technologies IV
Mark A. Druy; Richard A. Crocombe, Editor(s)

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