Abstract

We identify an aerosol of dielectric particles as a broadband, low-power nonlinear-optics medium. We demonstrate theoretically that a room-temperature volume of 5-μm-radius glass spheres will exhibit a third-order susceptibility in the visible equal to ~10f esu, where f is the volumetric packing fraction of the spheres. The response of the system is broadband throughout the visible, and the nonlinear-optic gain coefficient is shown to exceed the extinction coefficient because of scattering at pump-power levels on the order of 0.3 W/cm2. Two techniques for levitation of the aerosol are quantitatively evaluated.

© 1980 Optical Society of America

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