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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 4 — Feb. 1, 2009
  • pp: B145–B150

Differential absorption lidar CO 2 laser system for remote sensing of TATP related gases

Avishekh Pal, C. Douglas Clark, Michael Sigman, and Dennis K. Killinger  »View Author Affiliations


Applied Optics, Vol. 48, Issue 4, pp. B145-B150 (2009)
http://dx.doi.org/10.1364/AO.48.00B145


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Abstract

A CW tunable 10.6 μm CO 2 laser differential absorption lidar (DIAL) system has been developed, for the first time to our knowledge, for the remote sensing of triacetone triperoxide (TATP) gas vapors, which have strong absorption lines at several wavelengths, including 3.3, 8.3, and 10.6 μm . The DIAL laser beam was transmitted through an enclosed absorption cell containing TATP or SF 6 , and backscattered returns were measured from a retroreflector array target at ranges of 5 100 m . DIAL sensitivity for the detection of TATP was about 0.5 ng / μl [ 52 parts in 10 6 ( ppm ) ] for a 0.3 m path.

© 2009 Optical Society of America

OCIS Codes
(010.3640) Atmospheric and oceanic optics : Lidar
(280.1910) Remote sensing and sensors : DIAL, differential absorption lidar

History
Original Manuscript: August 19, 2008
Manuscript Accepted: October 23, 2008
Published: January 1, 2009

Citation
Avishekh Pal, C. Douglas Clark, Michael Sigman, and Dennis K. Killinger, "Differential absorption lidar CO2 laser system for remote sensing of TATP related gases," Appl. Opt. 48, B145-B150 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-4-B145

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