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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 38, Iss. 24 — Aug. 20, 1999
  • pp: 5118–5121

Application of pulsed photoacoustics in water at high pressure

Scott S. Freeborn, John Hannigan, and Hugh A. MacKenzie  »View Author Affiliations


Applied Optics, Vol. 38, Issue 24, pp. 5118-5121 (1999)
http://dx.doi.org/10.1364/AO.38.005118


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Abstract

The application of pulsed photoacoustics to the study of liquids at pressures of up to 350 bars is discussed. The design and development of an in-line sensor for the subsea monitoring of crude oil concentrations in water is reported. Crude oil detection sensitivities at parts per million concentrations were achieved with prototype instrumentation. A comparison of experimental results and a theoretical prediction of the pressure dependence of the pulsed photoacoustic response from water is outlined. The results demonstrate that existing models that describe pulsed photoacoustic generation in liquids are applicable to high-pressure conditions.

© 1999 Optical Society of America

OCIS Codes
(010.0010) Atmospheric and oceanic optics : Atmospheric and oceanic optics
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(010.7340) Atmospheric and oceanic optics : Water
(110.5120) Imaging systems : Photoacoustic imaging
(120.1880) Instrumentation, measurement, and metrology : Detection
(140.0140) Lasers and laser optics : Lasers and laser optics

History
Original Manuscript: March 15, 1999
Revised Manuscript: June 7, 1999
Published: August 20, 1999

Citation
Scott S. Freeborn, John Hannigan, and Hugh A. MacKenzie, "Application of pulsed photoacoustics in water at high pressure," Appl. Opt. 38, 5118-5121 (1999)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-38-24-5118

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