Phys. Rev. Lett. 84, 5640–5643 (2000)Multibubble Sonoluminescence Spectra of Water which Resemble Single-Bubble SonoluminescenceReceived 23 February 2000; published in the issue dated 12 June 2000 Multibubble sonoluminescence (MBSL) spectra of water from cavitation clouds were collected in the presence of different noble gases and at different acoustic intensities. Results show that at high acoustic intensity and with xenon as a dissolved gas the emission of the OH* radical becomes indiscernible from the continuum. These spectra resemble single-bubble sonoluminescence (SBSL) spectra. It is concluded that the source of emission in MBSL and SBSL can be the same, the difference in spectra is due to the higher temperature inside the bubble during SBSL. © 2000 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.84.5640
DOI:
10.1103/PhysRevLett.84.5640
PACS:
78.60.Mq, 43.25.+y
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