Surface-mediated enhancement of optical phase conjugation in metal colloids
- 1 October 1985
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 10 (10) , 511-513
- https://doi.org/10.1364/ol.10.000511
Abstract
We show that the optical phase-conjugated reflectivity from silver and gold colloids is enhanced by several orders of magnitude. The reflectivity on resonance is comparable with that of CS2 for metal-particle volume concentration of a few parts in 106. We trace this enhancement to the nonlinearities of the electrons in the metal particles and extract the value of their optical Kerr-effect coefficient.Keywords
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