Abstract
A mechanism of light emission from a single bubble sonoluminescence (SBSL) was formulated by assuming that the source for the light emission is bremsstrahlung in partially ionized gases. Also the spectrum was measured and the observed results were compared with the calculated ones. Calculated and experimental results yield common spectral behavior in the visible region: the spectral radiance shows power-law dependence on wavelength with an exponent of −2.5. The SBSL spectrum which is characterized by the continuous one with no major peaks has been confirmed experimentally.
Volume Subject Area:
Fundamentals of Radiation Transport in Microscale Systems
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Copyright © 1999 by The American Society of Mechanical Engineers
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