Heteroaromatics: Exceptional Materials for Second Order Nonlinear Optical Applications
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ABSTRACTNew classes of nonlinear optical molecules were synthesized and characterized. It is shown experimentally that molecules with heteroaromatic π-electron systems exhibit exceptional second order nonlinear optical response and good solubility. Measurement of the nonlinear optical properties of molecules containing heteroaromatic moieties with different length scale reveals a power law dependence of Bμ on the number of π-electrons. Also, the effects of two nitro groups as electron acceptors on the aromatic ring are discussed.
1996 ◽
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2019 ◽
Vol 7
(25)
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pp. 7531-7547
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