Benefits of long-wavelength hyper-Rayleigh scattering

Stefan Stadler; Grant Bourhill; Christoph R. Braeuchle

doi:10.1117/12.256170

1 November 1996 Benefits of long-wavelength hyper-Rayleigh scattering

Stefan Stadler, Grant Bourhill, Christoph R. Braeuchle

Proceedings Volume 2852, Nonlinear Optical Properties of Organic Materials IX; (1996) https://doi.org/10.1117/12.256170
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

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.

Citation Download Citation

Stefan Stadler, Grant Bourhill, and Christoph R. Braeuchle "Benefits of long-wavelength hyper-Rayleigh scattering", Proc. SPIE 2852, Nonlinear Optical Properties of Organic Materials IX, (1 November 1996); https://doi.org/10.1117/12.256170

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