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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 8, Iss. 10 — Nov. 8, 2013

Thermal response of a dental tissue induced by femtosecond laser pulses

K. P. Chang, T. W. Tsai, K. Y. Huang, C. H. Huang, S. Y. Wang, C. W. Cheng, J. K. Chen, and D. Y. Tzou  »View Author Affiliations


Applied Optics, Vol. 52, Issue 27, pp. 6626-6635 (2013)
http://dx.doi.org/10.1364/AO.52.006626


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Abstract

This paper reports a theoretical and experimental study for thermal transport in a thin slice of human tooth induced by a 120 fs, 800 nm pulse laser at a repetition rate of 1 kHz. The surface reflectivity of enamel and the convection heat transfer coefficient were determined using an inverse heat transfer analysis. Instead of a fully three-dimensional modeling, two simplified two-dimensional (2D) planar and axisymmetric heat conduction models were proposed to simulate the temperature fields. The temperature responses obtained from the 2D planar and axisymmetric model agree well with the experimental measurements. On the other hand, the one-dimensional (1D) result significantly differs from the 2D axisymmetric one, suggesting that care should be taken when a 1D thermal model is considered for estimating temperature response.

© 2013 Optical Society of America

OCIS Codes
(120.6810) Instrumentation, measurement, and metrology : Thermal effects
(170.1850) Medical optics and biotechnology : Dentistry
(170.6920) Medical optics and biotechnology : Time-resolved imaging
(320.2250) Ultrafast optics : Femtosecond phenomena

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: March 27, 2013
Revised Manuscript: June 21, 2013
Manuscript Accepted: August 6, 2013
Published: September 13, 2013

Virtual Issues
Vol. 8, Iss. 10 Virtual Journal for Biomedical Optics

Citation
K. P. Chang, T. W. Tsai, K. Y. Huang, C. H. Huang, S. Y. Wang, C. W. Cheng, J. K. Chen, and D. Y. Tzou, "Thermal response of a dental tissue induced by femtosecond laser pulses," Appl. Opt. 52, 6626-6635 (2013)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-52-27-6626


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