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Proceedings Paper

Nonlinear optical properties of organic materials
Author(s): 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
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Paper 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.

Paper Details

Date Published: 6 July 1999
PDF: 9 pages
Proc. SPIE 3572, 3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications, (6 July 1999); doi: 10.1117/12.358363
Show Author Affiliations
Cid B. de Araujo, Univ. Federal de Pernambuco (Brazil)
Anderson S. L. Gomes, Univ. Federal de Pernambuco (Brazil)
Arandi G. Bezerra Jr., Univ. Federal de Pernambuco (Brazil)
D. A. da Silva-Filho, Univ. Federal de Pernambuco (Brazil)
Celso Pinto de Melo, Univ. Federal de Pernambuco (Brazil)
A. P. F. Athayde-Filho, Univ. Federal de Pernambuco (Brazil)
G. B. da Rocha, Univ. Federal de Pernambuco (Brazil)
J. Miller, Univ. Federal de Pernambuco (Brazil)
A. M. Simas, Univ. Federal de Pernambuco (Brazil)


Published in SPIE Proceedings Vol. 3572:
3rd Iberoamerican Optics Meeting and 6th Latin American Meeting on Optics, Lasers, and Their Applications
Angela Maria Guzman, Editor(s)

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