期刊
ACOUSTICS RESEARCH LETTERS ONLINE-ARLO
卷 6, 期 4, 页码 280-286出版社
ACOUSTICAL SOC AMER AMER INST PHYSICS
DOI: 10.1121/1.2127115
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- NIDDK NIH HHS [P01 DK043881, P01 DK043881-10A10002] Funding Source: Medline
Measurements using a fiber-optic probe hydrophone, highspeed camera, and B-mode ultrasound showed attenuation of the trailing negative-pressure phase of a lithotripter shock pulse under conditions that favor generation of cavitation bubbles, such as in water with a high content of dissolved gas or at high pulse repetition rate where more cavitation nuclei persisted between pulses. This cavitation-mediated attenuation of the acoustic pulse was also observed to increase with increasing amplitude of source discharge potential, such that the negative-pressure phase of the pulse can remain fixed in amplitude even with increasing source discharge potential. (C) 2005 Acoustical Society of America.
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