Optical supercavitation in soft-matter

Details Optical supercavitation in soft-matter Optical supercavitation in soft-matter

2010-08-16

arxiv.org/abs/1008.2616v2

Phys. Rev. Lett. 105, 118301 (2010)

Physics

Optics

4 pages, 5 figures, revised version: corrected typos and references

Scientific paper

10.1103/PhysRevLett.105.118301

We investigate theoretically, numerically and experimentally nonlinear optical waves in an absorbing out-of-equilibrium colloidal material at the gelification transition. At sufficiently high optical intensity, absorption is frustrated and light propagates into the medium. The process is mediated by the formation of a matter-shock wave due to optically induced thermodiffusion, and largely resembles the mechanism of hydrodynamical supercavitation, as it is accompanied by a dynamic phase-transition region between the beam and the absorbing material.

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