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Proceedings Paper

Pulsed photothermal radiometric investigations of absorbing and scattering media
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Paper Abstract

Pulsed photothermal radiometry (PPTR) is a contact free nondestructive method of material inspection. It also is a promising tool for in vivo tissue spectroscopy and on-line dosimetry. For this approach, one has to consider light scattering and thus a complicated signal interpretation. Different models of light propagation in scattering media are compared, such as Monte Carlo simulation (MCS) and various approaches of diffusion theory. Simulated PPTR signals with these calculations are compared. The validity of the different models in order to describe PPTR measurements correctly is discussed.

Paper Details

Date Published: 14 January 1998
PDF: 8 pages
Proc. SPIE 3195, Laser-Tissue Interaction, Tissue Optics, and Laser Welding III, (14 January 1998); doi: 10.1117/12.297882
Show Author Affiliations
Christoph H. Schmitz, Univ. Hannover (Germany)
Uwe Oberheide, Univ. Hannover (Germany)
Stefan Lohmann, Univ. Hannover and Laser Zentrum Hannover (Germany)
Holger Lubatschowski, Univ. Hannover and Laser Zentrum Hannover (Germany)
Wolfgang Ertmer, Laser Zentrum Hannover (Germany)


Published in SPIE Proceedings Vol. 3195:
Laser-Tissue Interaction, Tissue Optics, and Laser Welding III
Guy P. Delacretaz; Guilhem Godlewski M.D.; Roberto Pini; Rudolf W. Steiner; Lars Othar Svaasand, Editor(s)

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