Coagulation of egg white by thermal-feedback-controlled CO2 laser

Inci F. Cilesiz; Abraham Katzir

doi:10.1117/12.409319

16 November 2000 Coagulation of egg white by thermal-feedback-controlled CO₂ laser

Inci F. Cilesiz, Abraham Katzir

Proceedings Volume 4161, Optical Biopsy and Tissue Optics; (2000) https://doi.org/10.1117/12.409319
Event: EOS/SPIE European Biomedical Optics Week, 2000, Amsterdam, Netherlands

Abstract

Temperature feedback control during laser-assisted tissue coagulation was investigated and demonstrated using the egg white model. Dynamics of photothermal denaturation during CO₂ laser irradiation was observed by simultaneously controlling surface temperature and monitoring HeNe laser transmission of egg white samples. Once a quasi-constant surface temperature was established, transmission of egg white tended to decrease linearly with time. A first order rate process was observed. Our experiments demonstrated that thermal feedback can effectively control/limit photothermal damage.

Citation Download Citation

Inci F. Cilesiz and Abraham Katzir "Coagulation of egg white by thermal-feedback-controlled CO₂ laser", Proc. SPIE 4161, Optical Biopsy and Tissue Optics, (16 November 2000); https://doi.org/10.1117/12.409319

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