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Proceedings Paper

On-the-spot laser therapy using a smart tissue-activated fiber probe
Author(s): Ilko K. Ilev; Ronald W. Waynant
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Paper Abstract

We present a new technique for laser radiation delivery into a precise (micron-and submicron-scale) tissue area using a smart, tissue-activated optical fiber probe. The operating principal of the laser delivery system is based on the use of a delivery fiber with a specially angle-shaped tip. When the fiber tip is out of the tissue area, the laser emission is backreflected at the angled tip due to total-internal-reflection. However, when the fiber tip is placed on absorbing tissue, it becomes “transparent” for laser emission because of the frustrated-total-internal-reflectance and the energy then is coupled into the absorber.

Paper Details

Date Published: 24 July 2002
PDF: 5 pages
Proc. SPIE 4608, Nanostructure Science, Metrology, and Technology, (24 July 2002); doi: 10.1117/12.437971
Show Author Affiliations
Ronald W. Waynant

Published in SPIE Proceedings Vol. 4608:
Nanostructure Science, Metrology, and Technology
Martin C. Peckerar; Michael T. Postek, Editor(s)

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