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|Title:||Nonlinear optical studies of 1-3-diaryl-propenones containing 4-methylthiophenyl moieties|
|Authors:||John, Kiran, A.|
Shivarama, Holla, B.
|Citation:||Optics Communications, 2007, Vol.269, 1, pp.235-240|
|Abstract:||The third-order nonlinear optical properties of chalcone derivatives have been studied using the single beam Z-scan technique. The dependence of ?(3) on different donor and acceptor type substituents demonstrates the electronic nonlinearity of compounds. The largest value of nonlinear refractive index, n2, measured for a high electron donor substituted molecule is -2.033 10-11 esu. These molecules exhibit a strong two-photon absorption and interesting optical limiting of nanosecond laser pulses at 532 nm. 2006 Elsevier B.V. All rights reserved.|
|Appears in Collections:||1. Journal Articles|
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