Phys. Rev. E 60, R6303–R6306 (1999)

Differential light scattering: Probing the sonoluminescence collapse

Abstract

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G. Vacca^*, R. D. Morgan, and R. B. Laughlin
Physics Department and Department of Applied Physics, Stanford University, Stanford, California 94305

Received 23 August 1999; published in the issue dated December 1999

We have developed a light scattering technique based on differential measurement and polarization (differential light scattering, DLS) capable in principle of retrieving timing information with picosecond resolution without the need for fast electronics. DLS was applied to sonoluminescence, duplicating known results (sharp turnaround, self-similar collapse); the resolution was limited by intensity noise to about 0.5 ns. Preliminary evidence indicates a smooth turnaround on a ≲0.5-ns time scale, and suggests the existence of subnanosecond features within a few nanoseconds of the turnaround.

URL:

http://link.aps.org/doi/10.1103/PhysRevE.60.R6303

DOI:

10.1103/PhysRevE.60.R6303

PACS:

78.60.Mq, 42.65.Re, 42.68.Mj, 43.25.+y

^*Author to whom correspondence should be addressed. Electronic address: gvacca@stanford.edu

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Phys. Rev. E 60, R6303–R6306 (1999)

Differential light scattering: Probing the sonoluminescence collapse