Photo-induced nonlinear absorption in carbon nanostructures

Rimma Sh. Zatrudina; Vladislav Yu. Gribkov

doi:10.1117/12.2265353

16 May 2017 Photo-induced nonlinear absorption in carbon nanostructures

Rimma Sh. Zatrudina, Vladislav Yu. Gribkov

Proceedings Volume 10228, Nonlinear Optics and Applications X; 1022815 (2017) https://doi.org/10.1117/12.2265353
Event: SPIE Optics + Optoelectronics, 2017, Prague, Czech Republic

Abstract

Photoinduced nonlinear absorption of new carbon nanoparticles – astralenes and two types of carbon nanoclusters was investigated. The nonlinear absorption of aqueous suspensions of astralenes and solutions of carbon nanoclusters was studied by the method of z-scanning with Nd³⁺ -glass laser (wavelength λ = 1064 nm) in Q-switching regimes. A numerical model of the propagation of the laser pulse in a medium with reverse saturable absorption was created. Relaxation time of the first exited state and the ratio of absorption cross-sections of the first exited and ground states for the researched types of carbon nanoparticles were determined by the numerical simulation.

Citation Download Citation

Rimma Sh. Zatrudina and Vladislav Yu. Gribkov "Photo-induced nonlinear absorption in carbon nanostructures", Proc. SPIE 10228, Nonlinear Optics and Applications X, 1022815 (16 May 2017); https://doi.org/10.1117/12.2265353

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