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  • CLEO/Europe and EQEC 2011 Conference Digest
  • OSA Technical Digest (CD) (Optica Publishing Group, 2011),
  • paper EF4_3

Optical Supercavitation in Soft-matter

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Abstract

Nonlinear optical propagation in complex fluids is in many respect un-explored. Here we consider the nonlinear optical propagation of a micron-sized focused beam in a dye-doped, strongly absorbing, out-of-equilibrium nanoscale colloid, which undergoes a dynamical arrest, i.e., a liquid-gel transition. We show that the system behaviour changes from being strongly absorbitive, to a regime that allows beam propagation. This is accompained by a shock-wave-front in the material that forms a depletion region of the absorbing molecules.

© 2011 IEEE

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