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Relaxation dynamics of a broadband nanosecond acoustic pulse in a bubbly medium |
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| Authors: | A. A. Karabutov V. A. Larichev G. A. Maksimov I. M. Pelivanov N. B. Podymova |
| Affiliation: | (1) International Laser Center, Moscow State University, Vorob’evy gory, Moscow, 119992, Russia;(2) Moscow Institute of Engineering Physics, State University, Kashirskoe sh. 31, Moscow, 115409, Russia |
| Abstract: | The first experimental observation of the propagation dynamics of a short broadband acoustic pulse in a resonance medium with gas bubbles is carried out. The probing pulse is generated using the optoacoustic effect. It is shown that the theory of short pulse propagation in media with generalized resonance relaxation adequately and accurately describes the dynamics of short pulse dispersion. A possibility to determine the relaxation and resonance parameters of media by the pulsed testing technique is demonstrated. |
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