Underwater acoustic signals induced by intense ultrashort laser pulse.
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA(2015)
摘要
Acoustic signals generated in water by terawatt (TW) laser pulses undergoing filamentation are studied. The acoustic signal has a very broad spectrum, spanning from 0.1 to 10 MHz and is confined in the plane perpendicular to the laser direction. Such a source appears to be promising for the development of remote laser based acoustic applications. (C) 2015 Acoustical Society of America
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