Photoacoustic spectroscopy system and technique for remote sensing of explosives and toxic chemicals

Sheen, Shuh -Haw; Raptis, Apostolos C.; Chien, Hual -Te

Photoacoustic spectroscopy system and technique for remote sensing of explosives and toxic chemicals

Patent · 12 January 2010

OSTI ID:1531620

Sheen, Shuh -Haw; Raptis, Apostolos C.; Chien, Hual -Te

A user-friendly photoacoustic spectroscopy (PAS) system and process (technique) provides an open-field PAS instrument, unit and device to remotely sense explosives, chemicals and biological agents. The PAS system and process can include: a pulsed tunable laser, such as a CO.sub.2 laser, a reflector, such as a parabolic reflector, an acoustic reverberant resonator in which a microphone is installed, and a data acquisition and analysis system.

Research Organization:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC02-06CH11357; W-31109-ENG-38

Assignee:: UChicago Argonne, LLC (Argonne, IL)

Patent Number(s):: 7,644,606

Application Number:: 11/699,146

OSTI ID:: 1531620

Country of Publication:: United States

Language:: English

References (10)

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High-sensitivity, high-selectivity detection of chemical warfare agents Pushkarsky, Michael B.; Webber, Michael E.; Macdonald, Tyson Applied Physics Letters, Vol. 88, Issue 4 https://doi.org/10.1063/1.2166692	journal	January 2006
Resonant photoacoustic spectroscopy Hess, Peter Physical and Inorganic Chemistry https://doi.org/10.1007/3-540-12065-3_1	book	January 1983
Laser Photoacoustic Detection Of Explosive Vapors Gelbwachs, Jerry 1977 SPIE/SPSE Technical Symposium East, SPIE Proceedings https://doi.org/10.1117/12.955474	conference	September 1977
Remote photoacoustic detection of liquid contamination of a surface Perrett, Brian; Harris, Michael; Pearson, Guy N. Applied Optics, Vol. 42, Issue 24 https://doi.org/10.1364/AO.42.004901	journal	January 2003
Mobile laser spectrometer with novel resonant multipass photoacoustic cell for trace-gas sensing Nägele, M.; Sigrist, M. W. Applied Physics B, Vol. 70, Issue 6 https://doi.org/10.1007/PL00021151	journal	June 2000
Photo-acoustic detection and ranging-a new technique for the remote detection of gases Brassington, D. J. Journal of Physics D: Applied Physics, Vol. 15, Issue 2 https://doi.org/10.1088/0022-3727/15/2/007	journal	February 1982
Gas-phase generation of photoacoustic sound in an open environment Yönak, Serdar H.; Dowling, David R. The Journal of the Acoustical Society of America, Vol. 114, Issue 6 https://doi.org/10.1121/1.1628250	journal	December 2003
Photoacoustic spectra and modes of vibration of TNT and RDX at CO2 laser wavelengths Prasad, R. L.; Prasad, R.; Bhar, G. C. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, Vol. 58, Issue 14 https://doi.org/10.1016/S1386-1425(02)00071-9	journal	December 2002
Optical detection of chemical warfare agents and toxic industrial chemicals: Simulation Webber, Michael E.; Pushkarsky, Michael; Patel, C. Kumar N. Journal of Applied Physics, Vol. 97, Issue 11 https://doi.org/10.1063/1.1900931	journal	June 2005

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