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Proceedings Paper

Nonlinear optical properties of some indandione-1,3 pyridinium betaine derivatives
Author(s): Guntis Liberts; Vismants Zauls; Ojars Neilands
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Paper 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.

Paper Details

Date Published: 6 February 1997
PDF: 5 pages
Proc. SPIE 2968, Optical Organic and Semiconductor Inorganic Materials, (6 February 1997); doi: 10.1117/12.266829
Show Author Affiliations
Guntis Liberts, Univ. of Latvia (Latvia)
Vismants Zauls, Univ. of Latvia (Latvia)
Ojars Neilands, Riga Technical Univ. (Latvia)

Published in SPIE Proceedings Vol. 2968:
Optical Organic and Semiconductor Inorganic Materials
Edgar A. Silinsh; Arthur Medvids; Andrejs R. Lusis; Andris O. Ozols, Editor(s)

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