Results of experimental optoacoustic investigations of femto- and nanosecond laser pulse extinction by muscular and fatty biotissues, skin, and milk and thresholds of optical breakdown of these tissues are presented. It is demonstrated that the depth of short laser pulse penetration into the biotissue is the same as of long pulses. However, the amplitude of the acoustic response to the interaction of femtosecond laser pulses with the biotissue exceeds several times the amplitude of response to the interaction with nanosecond pulses of the same energy and spectral structure.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 5, pp. 80–84, May, 2010.
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Apeksimov, D.V., Bochkarev, N.N., Bochkovskii, D.A. et al. Investigation of the interaction of femtosecond laser radiation with biotissues by the optoacoustic method. Russ Phys J 53, 521–525 (2010). https://doi.org/10.1007/s11182-010-9452-8
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DOI: https://doi.org/10.1007/s11182-010-9452-8