Pulsed photothermal radiometry of surgical laser-tissue interaction

Galina P. Chebotareva; Boris V. Zubov; Alexander P. Nikitin; Sergey M. Nikiforov; Andrey P. Chebotarev

doi:10.1117/12.239566

7 May 1996 Pulsed photothermal radiometry of surgical laser-tissue interaction

Galina P. Chebotareva, Boris V. Zubov, Alexander P. Nikitin, Sergey M. Nikiforov, Andrey P. Chebotarev

Proceedings Volume 2681, Laser-Tissue Interaction VII; (1996) https://doi.org/10.1117/12.239566
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

Achievements and prospects of PPTR-method for monitoring/control of laser treatment in surgery purposes are presented. Connection of output laser parameters and ones of irradiated zone in tissue with parameters of measured thermal emission from irradiated tissue are analyzed. There are presented the results of investigations of the high power laser-tissue interaction and of the processes of tissue destruction stimulated by middle-infrared-range pulsed lasers radiation in different sorts of tissues carried out by PPTR-technique. PPTR and Laser Mass-Spectrometry are united in study of evolution of tissue destruction under action of power CO₂ laser. The evolution of thermal signal and, correspondingly, temperature in tissue under single laser pulse treatment with rise of energy density are obtained. Method of the temperature stroboscopy which allows to see very fast tissue heating stimulated by pulsed laser treatment more elaborate are presented.

Citation Download Citation

Galina P. Chebotareva, Boris V. Zubov, Alexander P. Nikitin, Sergey M. Nikiforov, and Andrey P. Chebotarev "Pulsed photothermal radiometry of surgical laser-tissue interaction", Proc. SPIE 2681, Laser-Tissue Interaction VII, (7 May 1996); https://doi.org/10.1117/12.239566

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