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Proceedings Paper

Optical third-harmonic generation measurements in biopolymer complexes
Author(s): Ana Maria Manea; Alexandrina Tane; Roxana Zgarian; James G. Grote; Francois Kajzar; Ileana Rau
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Paper Abstract

The biopolymer deoxyribonucleic acid (DNA) was first functionalized with the surfactant cetyltrimethylammonium (CTMA) surfactant and then with the Rhodamine 610 dye at its different concentrations. The obtained complexes are well soluble in a number of organic solvents. Regular thin films were obtained by spin coating on glass substrates and their spectroscopic as well as nonlinear optical properties were studied as function of dye concentration. The THG susceptibility increases, within the experimental accuracy, with rhodamine concentration. The measured its relatively large value is due to the two photon contribution. The concentration dependence of χ (3) (−3ω;ω,ω,ω) can be well fitted, within experimental accuracy, by a linear function.

Paper Details

Date Published: 19 November 2012
PDF: 9 pages
Proc. SPIE 8545, Optical Materials and Biomaterials in Security and Defence Systems Technology IX, 85450Q (19 November 2012);
Show Author Affiliations
Ana Maria Manea, Polytechnical Univ. of Bucharest (Romania)
Alexandrina Tane, Polytechnical Univ. of Bucharest (Romania)
Roxana Zgarian, Polytechnical Univ. of Bucharest (Romania)
James G. Grote, Air Force Research Lab. (United States)
Francois Kajzar, Polytechnical Univ. of Bucharest (Romania)
Univ. of Angers (France)
Ileana Rau, Polytechnical Univ. of Bucharest (Romania)

Published in SPIE Proceedings Vol. 8545:
Optical Materials and Biomaterials in Security and Defence Systems Technology IX
Roberto Zamboni; François Kajzar; Attila A. Szep, Editor(s)

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