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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 1 — Jan. 1, 2011
  • pp: 74–81

Production of the NO photofragment in the desorption of RDX and HMX from surfaces

Jason D. White, F. Ahu Akin, Harald Oser, and David R. Crosley  »View Author Affiliations


Applied Optics, Vol. 50, Issue 1, pp. 74-81 (2011)
http://dx.doi.org/10.1364/AO.50.000074


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Abstract

A promising scheme for the remote detection of nitrate-based explosives, which have low vapor pressure, involves two lasers: the first to desorb, vaporize, and photofragment the explosive molecule and the second to create laser-induced fluorescence in the NO fragment. It is desirable to use for the first a powerful 532 nm frequency-doubled Nd:YAG laser. In this study, we investigate the degree of photofragmentation into NO resulting from the irradiation of the explosives RDX and HMX coated on a variety of surfaces. The desorption step is followed by femtosecond laser ionization and time-of-flight mass spectrometry to reveal the fragments produced in the first step. We find that modest laser power of 532 nm desorbs the explosive and produces adequate amounts of NO.

© 2010 Optical Society of America

OCIS Codes
(300.2530) Spectroscopy : Fluorescence, laser-induced
(300.6530) Spectroscopy : Spectroscopy, ultrafast
(280.1545) Remote sensing and sensors : Chemical analysis

ToC Category:
Remote Sensing and Sensors

History
Original Manuscript: August 9, 2010
Manuscript Accepted: October 29, 2010
Published: December 23, 2010

Citation
Jason D. White, F. Ahu Akin, Harald Oser, and David R. Crosley, "Production of the NO photofragment in the desorption of RDX and HMX from surfaces," Appl. Opt. 50, 74-81 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-1-74


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