Pressure waves in biotissues irradiated by short laser pulses: mathematical model

Georgi I. Zheltov; Alexander S. Podol'tsev; Alexander S. Rubanov; A. I. Kirkovsky

doi:10.1117/12.197480

2 January 1995 Pressure waves in biotissues irradiated by short laser pulses: mathematical model

Georgi I. Zheltov, Alexander S. Podol'tsev, Alexander S. Rubanov, A. I. Kirkovsky

Proceedings Volume 2370, 5th International Conference on Laser Applications in Life Sciences; (1995) https://doi.org/10.1117/12.197480
Event: Laser Applications in Life Sciences: 5th International Conference, 1994, Minsk, Belarus

Abstract

A mathematical model of interaction between laser radiation and multilayer biological tissue has been developed. At a pulse duration shorter than 1 ms acoustic or shock waves are generated in the tissues simultaneously with a rapid temperature rise. At radiation power densities lower than approximately 10⁹ W/cm² in the absence of phase transition acoustic vibrations arise from thermal expansion of the heated volume.

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Georgi I. Zheltov, Alexander S. Podol'tsev, Alexander S. Rubanov, and A. I. Kirkovsky "Pressure waves in biotissues irradiated by short laser pulses: mathematical model", Proc. SPIE 2370, 5th International Conference on Laser Applications in Life Sciences, (2 January 1995); https://doi.org/10.1117/12.197480

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