Trapping an Intensely Bright, Stable Sonoluminescing Bubble

by: Raúl Urteaga, Fabián J Bonetto

Physical Review Letters, Vol. 100, No. 7. (2008)

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摘要

Previous works on single bubble sonoluminescence in sulfuric acid solutions have stressed the fact that the sonoluminescence (SL) emissions are the highest ever found, but at the same time the bubble moves in orbits. We have fixed the SL bubble spatially and at the same time we have reached higher SL emissions using another harmonic acoustic signal to produce the acoustic excitation. Multiple harmonic excitation produces up to a fourfold increase in SL emissions, reaching the peak value of about 40 µW for a moving bubble and 15 µW for a nonmoving bubble. The ability to have a bright stationary bubble also opens new research opportunities. In particular, we develop a new method to measure the absolute radius evolution of the bubble that exploits this stability.

@article{citeulike:2767692, abstract = {Previous works on single bubble sonoluminescence in sulfuric acid solutions have stressed the fact that the sonoluminescence (SL) emissions are the highest ever found, but at the same time the bubble moves in orbits. We have fixed the SL bubble spatially and at the same time we have reached higher SL emissions using another harmonic acoustic signal to produce the acoustic excitation. Multiple harmonic excitation produces up to a fourfold increase in SL emissions, reaching the peak value of about 40 \µW for a moving bubble and 15 \µW for a nonmoving bubble. The ability to have a bright stationary bubble also opens new research opportunities. In particular, we develop a new method to measure the absolute radius evolution of the bubble that exploits this stability.}, author = {Urteaga, Ra\'ul and Bonetto, Fabi\'an J. }, citeulike-article-id = {2767692}, doi = {10.1103/PhysRevLett.100.074302}, journal = {Physical Review Letters}, keywords = {2008, bubbles, cool}, number = {7}, posted-at = {2008-05-08 00:30:38}, priority = {2}, publisher = {APS}, title = {Trapping an Intensely Bright, Stable Sonoluminescing Bubble}, url = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal\&id=PRLTAO000100000007074302000001\&idtype=cvips\&gifs=yes}, volume = {100}, year = {2008} }

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TY - JOUR ID - citeulike:2767692 TI - Trapping an Intensely Bright, Stable Sonoluminescing Bubble JF - Physical Review Letters VL - 100 IS - 7 PB - APS N2 - Previous works on single bubble sonoluminescence in sulfuric acid solutions have stressed the fact that the sonoluminescence (SL) emissions are the highest ever found, but at the same time the bubble moves in orbits. We have fixed the SL bubble spatially and at the same time we have reached higher SL emissions using another harmonic acoustic signal to produce the acoustic excitation. Multiple harmonic excitation produces up to a fourfold increase in SL emissions, reaching the peak value of about 40 µW for a moving bubble and 15 µW for a nonmoving bubble. The ability to have a bright stationary bubble also opens new research opportunities. In particular, we develop a new method to measure the absolute radius evolution of the bubble that exploits this stability. KW - 2008 KW - bubbles KW - cool AU - Urteaga, Ra\'ul AU - Bonetto, Fabi\'an PY - 2008/// UR - http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=PRLTAO000100000007074302000001&idtype=cvips&gifs=yes ER -

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