Reverse saturable absorption effect in the 2-cyclo-octylamino 5-nitropyridine-fullerene-doped system

Natalia V. Kamanina; Lev N. Kaporskii; Alfonso Barrientos; Alexander Leyderman

doi:10.1117/12.386381

19 May 2000 Reverse saturable absorption effect in the 2-cyclo-octylamino 5-nitropyridine-fullerene-doped system

Natalia V. Kamanina, Lev N. Kaporskii, Alfonso Barrientos, Alexander Leyderman

Proceedings Volume 3939, Organic Photonic Materials and Devices II; (2000) https://doi.org/10.1117/12.386381
Event: Symposium on Integrated Optoelectronics, 2000, San Jose, CA, United States

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.

Citation Download Citation

Natalia V. Kamanina, Lev N. Kaporskii, Alfonso Barrientos, and Alexander Leyderman "Reverse saturable absorption effect in the 2-cyclo-octylamino 5-nitropyridine-fullerene-doped system", Proc. SPIE 3939, Organic Photonic Materials and Devices II, (19 May 2000); https://doi.org/10.1117/12.386381

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