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Proceedings Paper

Terahertz signatures of biological-warfare-agent simulants
Author(s): Tatiana Globus; Dwight L. Woolard; Tatyana Khromova; Ramakrishnan Partasarathy; Alexander Majewski; Rene Abreu; Jeffrey L. Hesler; Shing-Kuo Pan; Geoff Ediss
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Paper Abstract

This work presents spectroscopic characterization results for biological simulant materials measured in the terahertz gap. Signature data have been collected between 3 cm-1 and 10 cm-1 for toxin Ovalbumin, bacteria Erwinia herbicola, Bacillus Subtilis lyophilized cells and RNA MS2 phage, BioGene. Measurements were conducted on a modified Bruker FTIR spectrometer equipped with the noise source developed in the NRAL. The noise source provides two orders of magnitude higher power in comparison with a conventional mercury lamp. Photometric characterization of the instrument performance demonstrates that the expected error for sample characterization inside the interval from 3 to 9.5 cm-1 is less then 1%.

Paper Details

Date Published: 8 September 2004
PDF: 8 pages
Proc. SPIE 5411, Terahertz for Military and Security Applications II, (8 September 2004); doi: 10.1117/12.549128
Show Author Affiliations
Tatiana Globus, Univ. of Virginia (United States)
Dwight L. Woolard, U.S. Army Research Office (United States)
Tatyana Khromova, Univ. of Virginia (United States)
Ramakrishnan Partasarathy, Univ. of Virginia (United States)
Alexander Majewski, Goodrich Corp. (United States)
Rene Abreu, Goodrich Corp. (United States)
Jeffrey L. Hesler, Univ. of Virginia (United States)
Virginia Diodes, Inc. (United States)
Shing-Kuo Pan, National Radio Astronomy Observatory (United States)
Geoff Ediss, National Radio Astronomy Observatory (United States)

Published in SPIE Proceedings Vol. 5411:
Terahertz for Military and Security Applications II
R. Jennifer Hwu; Dwight L. Woolard, Editor(s)

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