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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 7, Iss. 6 — Jun. 1, 2009
  • pp: 512–514

Quantitative measurement of skin tissue response during laser irradiation in photorejuvenation

Wei Gong, Yimei Huang, and Shusen Xie  »View Author Affiliations

Chinese Optics Letters, Vol. 7, Issue 6, pp. 512-514 (2009)

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Light dose plays an important role in the non-ablative photorejuvenation based on the theory of selective photothermolysis. However, present techniques for determining the light dose in clinical practice are still not accurate enough. We present a new system which monitors the skin tissue response during the laser irradiation in photorejuvenation by measuring the change of the total attenuation coefficient. We also investigate the relationship between the total attenuation coefficient and the energy density, pulse duration, and pulse repetition. In this procedure, the total attenuation coefficient decreases when the light dose increases and the reduction dependes on the light dose. These experimental results indicate that the new system would be a potential tool for accurate light dose determination.

© 2009 Chinese Optics Letters

OCIS Codes
(160.4760) Materials : Optical properties
(170.1610) Medical optics and biotechnology : Clinical applications
(170.1870) Medical optics and biotechnology : Dermatology

Wei Gong, Yimei Huang, and Shusen Xie, "Quantitative measurement of skin tissue response during laser irradiation in photorejuvenation," Chin. Opt. Lett. 7, 512-514 (2009)

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