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Proceedings Paper

Reverse saturable absorption effect in the 2-cyclo-octylamino 5-nitropyridine-fullerene-doped system
Author(s): Natalia V. Kamanina; Lev N. Kaporskii; Alfonso Barrientos; Alexander Leyderman
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Paper Abstract

Reverse saturable absorption by C60 and C70 fullerenes-doped 2-cyclooctylamino-5-nitropyridine (COANP)- toluene solutions and COANP-polyimide films has been investigated. The fullerene concentration was varied from 0.5 to 5 wt percent. The second harmonic of a pulsed Nd:YAG laser of 532 nm wavelength, overlapping an absorption band of fullerene-doped COANP, was used. For both COANP-fullerene solution and thin films nonlinear transmission was observed. Laser radiation attenuation exceeded at least by a factor of 6-7. The nature of optical limiting effect revealed in COANP-C70 system is discussed. It was established that the COANP-fullerene compounds could be applied for limiting power of about 5-6 J cm-2.

Paper Details

Date Published: 19 May 2000
PDF: 5 pages
Proc. SPIE 3939, Organic Photonic Materials and Devices II, (19 May 2000); doi: 10.1117/12.386381
Show Author Affiliations
Natalia V. Kamanina, S.I. Vavilov State Optical Institute (Russia)
Lev N. Kaporskii, S.I. Vavilov State Optical Institute (Russia)
Alfonso Barrientos, Univ. of Puerto Rico/Mayaguez (United States)
Alexander Leyderman, Univ. of Puerto Rico/Mayaguez (United States)

Published in SPIE Proceedings Vol. 3939:
Organic Photonic Materials and Devices II
Donal D. C. Bradley; Bernard Kippelen, Editor(s)

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