Photodynamics of optical limiting upon two-photon excitation of a liquid crystal-perylene system

Danilov, V. V.; Sosnov, E. N.; Khapova, O. V.; Khrebtov, A. I.; Shakhverdov, T. A.

doi:10.1134/1.1635466

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2005

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“…Because of this, this solution is also promising in terms of the limitation of second-harmonics radiation from a YAG : Nd 3+ laser. Previously, we obtained limitation at λ = 532 nm due to the formation of in a Per solution in a nematic liquid crystal [17]. The assumptions were tested experimentally.…”

Section: Resultsmentioning

confidence: 99%

The use of a photoinduced electron-transfer reaction for optical limiting in fullerene-containing solutions

et al. 2005

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Optical limiting was experimentally studied in C 60 fullerene-based multicomponent solutions that are characterized by photoinduced electron-transfer processes with the formation of ion-radical pairs. The limitation efficiency in these solutions increased as a result of enhancement of absorption in the molecular system in an excited state. It was found that the spectral and time capabilities of limiters based on fullerene-containing media can be extended with the use of radical ions.

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Section: Resultsmentioning

confidence: 99%