Nonlinear optical properties of organic materials

Cid B. de Araujo; Anderson S. L. Gomes; Arandi G. Bezerra Jr.; D. A. da Silva-Filho; Celso Pinto de Melo; A. P. F. Athayde-Filho; G. B. da Rocha; J. Miller; A. M. Simas

doi:10.1117/12.358363

6 July 1999 Nonlinear optical properties of organic materials

Cid B. de Araujo, Anderson S. L. Gomes, Arandi G. Bezerra Jr., D. A. da Silva-Filho, Celso Pinto de Melo, A. P. F. Athayde-Filho, G. B. da Rocha, J. Miller, A. M. Simas

Author Affiliations +

Proceedings Volume 3572, 3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications; (1999) https://doi.org/10.1117/12.358363
Event: 3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications, 1998, Cartagena de Indias, Colombia

Abstract

The second-order hyperpolarizabilities of two groups of organic materials, retinal derivatives and mesoionic compounds, are obtained through measurements of nonlinear optical susceptibilities. The Z-scan technique was employed to characterize the sign and magnitude of the third-order nonlinear optical coefficient, whilst the Kerr Gate method was employed to infer the response time of the nonlinearity with 60 fs resolution. From these measurements, supported by quantum chemical theoretical calculations, the origin of the nonlinearity was determined for both materials.

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Cid B. de Araujo, Anderson S. L. Gomes, Arandi G. Bezerra Jr., D. A. da Silva-Filho, Celso Pinto de Melo, A. P. F. Athayde-Filho, G. B. da Rocha, J. Miller, and A. M. Simas "Nonlinear optical properties of organic materials", Proc. SPIE 3572, 3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications, (6 July 1999); https://doi.org/10.1117/12.358363

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