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Biomedical Optics Express

Biomedical Optics Express

  • Editor: Joseph A. Izatt
  • Vol. 5, Iss. 8 — Aug. 1, 2014
  • pp: 2785–2790

Thermally enhanced signal strength and SNR improvement of photoacoustic radar module

Wei Wang and Andreas Mandelis  »View Author Affiliations

Biomedical Optics Express, Vol. 5, Issue 8, pp. 2785-2790 (2014)

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A thermally enhanced method for improving photoacoustic imaging depth and signal-to-noise (SNR) ratio is presented in this paper. Experimental results showed that the maximum imaging depth increased by 20% through raising the temperature of absorbing biotissues (ex-vivo beef muscle) uniformly from 37 to 43°C, and the SNR was increased by 8%. The parameters making up the Gruneisen constant were investigated experimentally and theoretically. The studies showed that the Gruneisen constant of biotissues increases with temperature, and the results were found to be consistent with the photoacousitc radar theory.

© 2014 Optical Society of America

OCIS Codes
(170.3880) Medical optics and biotechnology : Medical and biological imaging
(170.5120) Medical optics and biotechnology : Photoacoustic imaging

ToC Category:
Photoacoustic Imaging and Spectroscopy

Original Manuscript: May 9, 2014
Revised Manuscript: June 30, 2014
Manuscript Accepted: July 7, 2014
Published: July 25, 2014

Wei Wang and Andreas Mandelis, "Thermally enhanced signal strength and SNR improvement of photoacoustic radar module," Biomed. Opt. Express 5, 2785-2790 (2014)

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