Potential sensitive dyes: nonlinear optical properties and solvatochromism

Haowen Li; Guilin Mao; Kenneth D. Singer

doi:10.1117/12.644884

10 February 2006 Potential sensitive dyes: nonlinear optical properties and solvatochromism

Haowen Li, Guilin Mao, Kenneth D. Singer

Proceedings Volume 6097, Optical Molecular Probes for Biomedical Applications; 609705 (2006) https://doi.org/10.1117/12.644884
Event: SPIE BiOS, 2006, San Jose, California, United States

Abstract

The molecular first hyperpolarizability β of di-2-ANEPEQ and di-8-ANEPPS have been measured using hyper-Rayleigh scattering. Because of the strong fluorescence produced by the ANEP dyes, time correlated single photon counting Hyper-Rayleigh scattering measurements and spectral decomposition have been used to obtain accurate β values that correct for the competing fluorescent signal. The molecular hyperpolarizability β is measured for various wavelengths and compared with a two level model. Solvent effects have also been measured; the experimental results are consistent with a two valence bond state model.

Citation Download Citation

Haowen Li, Guilin Mao, and Kenneth D. Singer "Potential sensitive dyes: nonlinear optical properties and solvatochromism", Proc. SPIE 6097, Optical Molecular Probes for Biomedical Applications, 609705 (10 February 2006); https://doi.org/10.1117/12.644884

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