Frequency shifting in artificial Kerr media composed of compressible microparticles
- 1 July 1983
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 8 (7) , 362-364
- https://doi.org/10.1364/ol.8.000362
Abstract
We examine a novel approach for achieving frequency conversion of electromagnetic waves utilizing the dynamic compressibility of a suspension of microparticles that are driven by an acoustic wave. In particular, for resonantly driven gas bubbles in liquid, we find for small filling factors f that the acousto-optic dielectric constant is (∊1/∊0) ≈ fQ(p/p0), where Q is the quality factor for the oscillating bubble, p is the acoustic-wave pressure, and p0 is the ambient pressure.Keywords
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