Optical shock waves in silica aerogel
S. Gentilini, F. Ghajeri, N. Ghofraniha, A. Falco, and C. Conti.
Opt. Express 22 (2): 1667--1672 (January 2014)

Silica aerogels are materials well suited for high power nonlinear optical applications. In such regime, the non-trivial thermal properties may give rise to the generation of optical shock waves, which are also affected by the structural disorder due to the porous solid-state gel. Here we report on an experimental investigation in terms of beam waist and input power, and identify various regimes of the generation of wave-breaking phenomena in silica aerogels.
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