Dynamic measurement of laser-induced changes in rat tail tendon birefringence

Vanitha Sankaran*, Jay Walsh

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Linear birefringence is a polarization property of materials that results in a phase shift between orthogonal polarizations. Birefringence has been used to monitor collagenous tissue structures as a function of thermally-induced denaturation. Studies performed over long heating times have shown that both rat tail tendon (RTT) and cornea lose their birefringence as the heat applied causes a loss in the sample's structure. This paper reports the birefringent response of RTT to rapid heating by 200-μs-long, 2.1-μm Ho:YAG laser pulses. The results indicate that dynamic measurement of linear birefringence can be used as an optical feedback parameter to control laser tissue heating.

Original languageEnglish (US)
Number of pages1
JournalConference Proceedings - Lasers and Electro-Optics Society Annual Meeting-LEOS
StatePublished - Jan 1 1996

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Electrical and Electronic Engineering
  • Industrial and Manufacturing Engineering

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