An Apparatus for Studying the Laser Radiation Effects on Biotissue

E. D. Minaeva; Минаева Е. Д.; S. E. Minaev; Минаев С. Е.; N. S. Nikitin; Никитин Н. С.; A. S. Gulyashko; Гуляшко А. С.; I. A. Larionov; Ларионов И. А.; V. A. Tyrtyshnyy; Тыртышный В. А.; V. I. Yusupov; Юсупов В. И.; N. V. Minaev; Минаев Н. В.

doi:10.31857/S0032816223060058

An Apparatus for Studying the Laser Radiation Effects on Biotissue

Authors: Minaeva E.D.¹^,2, Minaev S.E.¹^,2, Nikitin N.S.³^,4, Gulyashko A.S.⁵, Larionov I.A.⁵, Tyrtyshnyy V.A.⁵, Yusupov V.I.¹, Minaev N.V.¹
Affiliations:
1. Institute of Photon Technologies, Federal Scientific Research Centre “Crystallography and Photonics,” Russian Academy of Sciences
2. National Research Nuclear University MEPhI
3. Center for Theoretical Problems of Physical and Chemical Pharmacology, Russian Academy of Sciences
4. Pirogov Russian National Research Medical University of the Ministry of Health of the Russian Federation
5. NTO IRE-Polus
Issue: No 6 (2023)
Pages: 162-166
Section: ФИЗИЧЕСКИЕ ПРИБОРЫ ДЛЯ ЭКОЛОГИИ, МЕДИЦИНЫ, БИОЛОГИИ
URL: https://journals.rcsi.science/0032-8162/article/view/233275
DOI: https://doi.org/10.31857/S0032816223060058
EDN: https://elibrary.ru/XWBVJF
ID: 233275

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Abstract
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Abstract

An apparatus for studying the processes of laser action on various materials, including biological tissue, is described. The system makes it possible to obtain thermograms of the sample surface, conduct high-speed video recording, and record acoustic signals in a wide frequency range during experiments. The system was tested using a pulsed nanosecond high-frequency laser source with a wavelength of 3.03 μm. The samples were exposed to pulses with a duration of 1.5 ns and a frequency of 8 MHz. It is shown that it is possible to use a laser system to obtain incisions on biological tissues of various types without carbonization. The obtained experimental data made it possible to clarify the mechanism of the action of laser radiation on the surface of water-saturated biological tissues.

References

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