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Title: | Nonlinear optical studies of 1-3-diaryl-propenones containing 4-methylthiophenyl moieties |
Authors: | John, Kiran, A. Mithun, A. Shivarama, Holla, B. Shashikala, H.D. Umesh, G. Chandrasekharan, K. |
Issue Date: | 2007 |
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. |
URI: | http://idr.nitk.ac.in/jspui/handle/123456789/12264 |
Appears in Collections: | 1. Journal Articles |
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