Thermally induced refractive nonlinearity in scattering media

Wei Chiang Lin, James P. Wicksted, Ashley J. Welch, Massoud Motamedi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Scopus citations

Abstract

In this study, the Z-scan technique was used to examine the thermal lens effect in turbid media containing micro-spheres suspended in water. The scattering coefficients of the turbid media were varied from 10 to 100 cm-1. The experimental results suggested that the nonlinear changes in the refractive index of the scattering medium induced by high power laser heating could significantly impact the propagation of laser beam through the scattering medium. Presence of thermally-induced nonlinear changes in refractive index of tissue during high power laser irradiation may significantly alter the distribution of laser light in tissue during laser therapy.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
PublisherSociety of Photo-Optical Instrumentation Engineers
Pages76-83
Number of pages8
ISBN (Print)0819423866
StatePublished - Dec 1 1997
Externally publishedYes
EventLaser-Tissue Interaction VIII - San Jose, CA, USA
Duration: Feb 9 1997Feb 12 1997

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume2975
ISSN (Print)0277-786X

Other

OtherLaser-Tissue Interaction VIII
CitySan Jose, CA, USA
Period2/9/972/12/97

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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  • Cite this

    Lin, W. C., Wicksted, J. P., Welch, A. J., & Motamedi, M. (1997). Thermally induced refractive nonlinearity in scattering media. In Proceedings of SPIE - The International Society for Optical Engineering (pp. 76-83). (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 2975). Society of Photo-Optical Instrumentation Engineers.