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Proceedings Paper

Benefits of long-wavelength hyper-Rayleigh scattering
Author(s): Stefan Stadler; Grant Bourhill; Christoph R. Braeuchle
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Paper Abstract

A hyper-Rayleigh scattering, HRS, system constructed around an optical parametric power oscillator, allowing wide fundamental wavelength tunability is described. The benefits of this system are highlighted by out-of-resonance measurements of the octupolar molecular ion crystal violet at 1450 and 1500 nm. The static hyperpolarizability was found to be comparable with that of the dipolar dye Disperse Red 1 with the nonlinearity-transparency trade-off worse for the octupole. Multiphoton induced fluorescence is one of the major obstacles with HRS. With a tunable laser system this problem can be overcome for a lot of chromophores. This is demonstrated by HRS-measurements of two dicyanovinyl compounds at 1300 nm and a stilbazolium salt at 1500 nm.

Paper Details

Date Published: 1 November 1996
PDF: 11 pages
Proc. SPIE 2852, Nonlinear Optical Properties of Organic Materials IX, (1 November 1996); doi: 10.1117/12.256170
Show Author Affiliations
Stefan Stadler, Ludwig-Maximilians-Univ. Muenchen (Germany)
Grant Bourhill, Ludwig-Maximilains-Univ. Muenchen (Germany)
Christoph R. Braeuchle, Ludwig-Maximilians-Univ. Muenchen (Germany)

Published in SPIE Proceedings Vol. 2852:
Nonlinear Optical Properties of Organic Materials IX
Gustaaf R. Moehlmann, Editor(s)

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