Optical bistability due to the nonlinear light propagation in a synthesis blend of PMMA and vinyl rubber

Luca De Stefano; Pasquale Mormile; Giovanni Pierattini

doi:10.1117/12.183157

10 August 1994 Optical bistability due to the nonlinear light propagation in a synthesis blend of PMMA and vinyl rubber

Luca De Stefano, Pasquale Mormile, Giovanni Pierattini

Proceedings Volume 2097, Laser Applications; (1994) https://doi.org/10.1117/12.183157
Event: Laser Optics, 1993, St. Petersburg, Russian Federation

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.

Citation Download Citation

Luca De Stefano, Pasquale Mormile, and Giovanni Pierattini "Optical bistability due to the nonlinear light propagation in a synthesis blend of PMMA and vinyl rubber", Proc. SPIE 2097, Laser Applications, (10 August 1994); https://doi.org/10.1117/12.183157

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