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Proceedings Paper

Optical bistability due to the nonlinear light propagation in a synthesis blend of PMMA and vinyl rubber
Author(s): Luca De Stefano; Pasquale Mormile; Giovanni Pierattini
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Paper Abstract

The propagation of cw laser beams oppositely travelling in a polymeric blend (PMMA-EVA) is analyzed in order to study the thermo-optical behavior of such a material. The experimental results show optical bistability due to the mutual self-action of counterpropagating beams. The thermal coefficient of the refractive index dn/dt of PMMA-EVA is calculated by a simple theoretical model. This value is in well agreement with that one obtained by us using an interferometric method.

Paper Details

Date Published: 10 August 1994
PDF: 7 pages
Proc. SPIE 2097, Laser Applications, (10 August 1994); doi: 10.1117/12.183157
Show Author Affiliations
Luca De Stefano, Istituto di Cibernetica del CNR (Italy)
Pasquale Mormile, Istituto di Cibernetica del CNR (Italy)
Giovanni Pierattini, Istituto di Cibernetica del CNR (Italy)

Published in SPIE Proceedings Vol. 2097:
Laser Applications
Artur A. Mak, Editor(s)

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