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Journal Articles Journal de Physique Lettres Year : 1985

Giant optical non-linearities of critical micro-emulsions

E. Freysz
M. Afifi
  • Function : Author
A. Ducasse
  • Function : Author
B. Pouligny
  • Function : Author
J.R. Lalanne
  • Function : Author

Abstract

Self-focusing of a cw laser beam in a micro-emulsion has been demonstrated and analysed. Giant optical non-linearities of this novel non-linear medium are reported. The non-linear index n2 deduced from the threshold power for self-focusing is found to increase divergently when approaching a critical point (n 2 ≳ 10-8 cm2 W-1). This divergence is related to the critical behaviour of the osmotic compressibility of the medium.
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Dates and versions

jpa-00232497 , version 1 (01-01-1985)

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E. Freysz, M. Afifi, A. Ducasse, B. Pouligny, J.R. Lalanne. Giant optical non-linearities of critical micro-emulsions. Journal de Physique Lettres, 1985, 46 (5), pp.181-187. ⟨10.1051/jphyslet:01985004605018100⟩. ⟨jpa-00232497⟩

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