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Optical Limiting in Solutions of Polycyclic Aromatic Hydrocarbon Diones.
Published online by Cambridge University Press: 15 February 2011
Abstract
Optical limiting in toluene solutions of substituted benzanthracene- 3,4 diones and three other quinones, namely, benzpyrene-7,8-dione, benzphenanthrene-3,4-dione and chrysene-5,6-dione was investigated at laser wavelengths 532 nm and 694 nm. Low limiting threshold values of the order of 0.01J/cm2 were obtained for some of the quinones at 532nm. Strong triplet-triplet absorption at the excitation laser wavelengths may explain the optical limiting behavior.
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- Copyright © Materials Research Society 1995
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