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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 8 — Apr. 14, 2008
  • pp: 5499–5504

Coherent mode-selective Raman excitation towards standoff detection

Haowen Li, D. Ahmasi Harris, Bingwei Xu, Paul J. Wrzesinski, Vadim V. Lozovoy, and Marcos Dantus  »View Author Affiliations

Optics Express, Vol. 16, Issue 8, pp. 5499-5504 (2008)

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We report the detection of characteristic Raman lines for several chemicals using a single-beam coherent anti-Stokes Raman scattering (CARS) technique from a 12 meter standoff distance. Single laser shot spectra are obtained with sufficient signal to noise ratio to allow molecular identification. Background and spectroscopic discrimination are achieved through binary phase pulse shaping for optimal excitation of a single vibrational mode. These results provide a promising approach to standoff detection of chemicals, hazardous contaminants, and explosives.

© 2008 Optical Society of America

OCIS Codes
(300.6230) Spectroscopy : Spectroscopy, coherent anti-Stokes Raman scattering
(320.5540) Ultrafast optics : Pulse shaping

ToC Category:

Original Manuscript: January 17, 2008
Revised Manuscript: March 17, 2008
Manuscript Accepted: March 20, 2008
Published: April 4, 2008

Haowen Li, D. Ahmasi Harris, Bingwei Xu, Paul J. Wrzesinski, Vadim V. Lozovoy, and Marcos Dantus, "Coherent mode-selective Raman excitation towards standoff detection," Opt. Express 16, 5499-5504 (2008)

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  22. This work was first presented at the CLEO/QELS conference, May 6-11, 2007.

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