Observation of synchronous picosecond sonoluminescence

Details Observation of synchronous picosecond sonoluminescence Observation of synchronous picosecond sonoluminescence

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991natur.352..318b&link_type=abstract

Nature (ISSN 0028-0836), vol. 352, July 25, 1991, p. 318-320. DOE-supported research.

Computer Science

Sound

193

Picosecond Pulses, Sonoluminescence, Sound Waves, Light Sources, Photomultiplier Tubes, Sound Transmission

Scientific paper

Sonoluminescent flashes, defined as nonequilibrium phenomena in which sound-wave energy becomes sufficiently concentrated to generate flashes of light in a liquid, are too fast to be resolved by even the fastest photomultiplier tubes. It is presently noted, however, that the driving of sonoluminescence by a resonant sound field leads to a regular repetition of bursts which can be prolonged for hours at drive frequencies ranging from the audible to the ultrasonic. An energy amplification of 11 orders of magnitude is found to be involved in sonoluminescent bursts.

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