Absorption, Reflection And Second-Harmonic Generation Study Of Langmuir-Blodgett Films Of A Hemicyanine Dye

P. Winant; A. Scheelen; A. Persoons

doi:10.1117/12.961411

22 December 1989 Absorption, Reflection And Second-Harmonic Generation Study Of Langmuir-Blodgett Films Of A Hemicyanine Dye.

P. Winant, A. Scheelen, A. Persoons

Author Affiliations +

Proceedings Volume 1127, Nonlinear Optical Materials II; (1989) https://doi.org/10.1117/12.961411
Event: 1989 International Congress on Optical Science and Engineering, 1989, Paris, France

Abstract

Second Harmonic Generation of a new hemicyanine dye was measured. The LB-films were either pure dye-monolayers or mixed dye-arachidic acid films. An increase of SHG was observed with a decrease in dye concentration in the mixed films. For multilayer films a subquadratic increase in SH-intensity with the number of dye layers was observed. Aggregation and orientation of the dye molecule in the monolayers and films were studied by reflection and absorption spectroscopy.

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P. Winant, A. Scheelen, and A. Persoons "Absorption, Reflection And Second-Harmonic Generation Study Of Langmuir-Blodgett Films Of A Hemicyanine Dye.", Proc. SPIE 1127, Nonlinear Optical Materials II, (22 December 1989); https://doi.org/10.1117/12.961411

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