Various methods have been investigated to increase photon density in soft tissue, an important factor in low-level laser therapy. Previously we developed a compression-controlled low-level laser probe (CCLLP) utilizing mechanical negative compression, and experimentally verified its efficacy. In this study, we used Bezier curves to numerically simulate the skin deformation and photon density variation generated by the CCLLP. In addition, we numerically modeled changes in optical coefficients due to skin deformation using a linearization technique with appropriate parameterization. The simulated results were consistent with both human in vivo and porcine ex vivo experimental results, confirming the efficacy of the CCLLP.
© 2011 Optical Society of Korea
(040.5160) Detectors : Photodetectors
(040.6040) Detectors : Silicon
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.4510) Fiber optics and optical communications : Optical communications
Original Manuscript: July 19, 2011
Revised Manuscript: October 5, 2011
Manuscript Accepted: October 17, 2011
Published: December 25, 2011
Ki-Woon Kwon, Tae-Yoon Son, Chang-Min Yeo, and Byung-Jo Jung, "Numerical Modeling of Compression-Controlled Low-level Laser Probe for Increasing Photon Density in Soft Tissue," J. Opt. Soc. Korea 15, 321-328 (2011)
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