Dynamics of tissue reflectance and transmittance during laser irradiation

Wei Chiang Lin, Massoud Motamedi, Ashley J. Welch

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations


We have studied dynamic changes in optical properties of various tissues during Argon and pulse Nd:YAG laser irradiation while monitoring tissue surface temperature. High power laser radiation induces reversible and/or irreversible changes in the optical behavior of the tissue. Reversible changes in diffuse reflectance and total transmittance can be as much as 15% and 20% of initial values, respectively. We are currently investigating the mechanism responsible for the observed reversible changes.

Original languageEnglish (US)
Article number1342
Pages (from-to)296-303
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - Aug 17 1994
EventLaser-Tissue Interaction V; and Ultraviolet Radiation Hazards 1994 - Los Angeles, United States
Duration: Jan 23 1994Jan 29 1994

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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