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Proceedings Paper

Characterization and evaluation of a handheld AC-coupled pulsed photothermal radiometry system
Author(s): Byungjo Jung; Chang-Seok Kim; Bernard Choi; J. Stuart Nelson
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Paper Abstract

In laser therapy of port wine stain (PWS) birthmarks, measurement of maximum temperature rise is important to determine the maximum permissible light dose for PWS laser therapy. To measure maximum temperature rise on arbitrary PWS skin site, we developed a handheld pulsed photothermal radiometry (PPTR) system, which overcomes in vivo measurement limitations of bench-top PPTR systems. The developed PPTR system consists of an IR lens, an AC-coupled thermoelectrically cooled IR detector, a laser handpiece holder, and a fixed distance measurement port. With system characterization, experimental results were in good agreement with theoretical calculations. Preliminary results for maximum temperature rise demonstrate the feasibility of the PPTR system for PWS skin characterization in the clinic.

Paper Details

Date Published: 22 February 2006
PDF: 6 pages
Proc. SPIE 6078, Photonic Therapeutics and Diagnostics II, 60780M (22 February 2006); doi: 10.1117/12.647103
Show Author Affiliations
Byungjo Jung, Beckman Laser Institute (United States)
Yonsei Univ. (South Korea)
Chang-Seok Kim, Beckman Laser Institute (United States)
Pusan National Univ. (South Korea)
Bernard Choi, Beckman Laser Institute (United States)
J. Stuart Nelson, Beckman Laser Institute (United States)

Published in SPIE Proceedings Vol. 6078:
Photonic Therapeutics and Diagnostics II
Kenton W. Gregory M.D.; Nikiforos Kollias M.D.; Reza S. Malek M.D.; Michael D. Lucroy D.V.M.; Henry Hirschberg M.D.; Brian Jet-Fei Wong M.D.; Eugene A. Trowers M.D.; Werner T.W. de Riese; Justus F. R. Ilgner M.D.; Steen J. Madsen; Lloyd P. Tate V.D.M.; Haishan Zeng; Guillermo J. Tearney M.D.; Bernard Choi, Editor(s)

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