Nonlinear optical properties of some indandione-1,3 pyridinium betaine derivatives

Guntis Liberts; Vismants Zauls; Ojars Neilands

doi:10.1117/12.266829

6 February 1997 Nonlinear optical properties of some indandione-1,3 pyridinium betaine derivatives

Guntis Liberts, Vismants Zauls, Ojars Neilands

Proceedings Volume 2968, Optical Organic and Semiconductor Inorganic Materials; (1997) https://doi.org/10.1117/12.266829
Event: International Conference on Advanced Optical Materials and Devices, 1996, Riga, Latvia

Abstract

In this paper nonlinear optical properties of indandione-1,3 pyridinium betaine (IPB) molecule and its novel amphiphilic derivatives have been studied. Hyper-Rayleigh scattering (HRS) has been used as a direct and accurate tool to determine effective hyperpolarizability (beta) of IPB derivatives dissolved in chloroform. Evaluation of hyperpolarizability gives an averaged values of (beta) from 140 multiplied by 10^-30 to 450 multiplied by 10^-30 esu. Disordering of molecular orientation for multilayer Langmuir-Blodgett films of compound C₁₇-IPB has been studied by SHG techniques and discussed for different film thickness. It has been observed that orientation degree of the Z-type molecular structure increases significantly with the thickness of deposited LB film.

Citation Download Citation

Guntis Liberts, Vismants Zauls, and Ojars Neilands "Nonlinear optical properties of some indandione-1,3 pyridinium betaine derivatives", Proc. SPIE 2968, Optical Organic and Semiconductor Inorganic Materials, (6 February 1997); https://doi.org/10.1117/12.266829

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