Journal of Photoscience

Korean Society of Photoscience (한국광과학회)
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A PRELIMINARY STUDY OF PULSED LASER HEATING OF TISSUE FOR THE IMPLICATIONS OF SKIN RESURFACING

  • Kwon,Yong-Hoon (Department of Physics, Kyungpook National University) ;
  • Kim, You-Young (Department of Biochemistry, Kyungpook National University)
  • Published : 1998.05.01
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Abstract

Pulsed Er: YAG and CO$_2$ lasers induced temperature rise of tissue is studied using axisymmetric, two-dimensional, and transient Pennes bio-heat equation for elucidating the implications of skin resurfacing. Modeling indicates that Er:YAG laser induced temperature has much higher but more shallow distribution in tissue than that of the CO$_2$ laser because of much higher absorption coefficient. The increase of repetition rate does not much affect on temperature rise because these laser modalities have much shorter heat diffusion time than the temporal length of each off-pulse. This model works as a tool to understand the photothermal effect in the laser-tissue interaction.

Keywords

References

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