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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea


  • Vol. 17, Iss. 2 — Apr. 1, 2013
  • pp: 205–212

Evaluation of Diffuse Reflectance in Multi-layered Tissue for High Intensity Laser Therapy

Sangkwan Lee and Jong-In Youn  »View Author Affiliations

Journal of the Optical Society of Korea, Vol. 17, Issue 2, pp. 205-212 (2013)

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Pain is one of the quite common symptoms in clinics and many treatment methods have been applied to relieve pain. Among the treatments, high-intensity light therapy for pain has been introduced, but this therapy has not been fully supported by confirmed efficacy due to the absence of quantitative assessments and treatment feedback data in real time. In this study, the evaluation of light distribution in tissue was performed with current high-intensity light sources quantitatively using light-tissue interaction simulations. The diffuse reflectance in tissue was generated using Monte Carlo simulation that traces photons as they undergo multiple scattering and absorption within each tissue layer (skin, fat, and muscle) and within multi-layered tissue. The results showed that the highest diffuse reflectance and the deepest penetration of tissue were achieved at λ=830 nm when compared with other wavelengths like λ=650 nm, 980 nm and 1064 nm.

© 2013 Optical Society of Korea

OCIS Codes
(000.1430) General : Biology and medicine
(120.6810) Instrumentation, measurement, and metrology : Thermal effects
(170.0170) Medical optics and biotechnology : Medical optics and biotechnology
(170.6510) Medical optics and biotechnology : Spectroscopy, tissue diagnostics

Original Manuscript: February 1, 2013
Revised Manuscript: March 22, 2013
Manuscript Accepted: March 25, 2013
Published: April 25, 2013

Sangkwan Lee and Jong-In Youn, "Evaluation of Diffuse Reflectance in Multi-layered Tissue for High Intensity Laser Therapy," J. Opt. Soc. Korea 17, 205-212 (2013)

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