Experimental and theoretical investigation of optical nonlinearities in (nitrovinyl)-1H-pyrazole derivative
Y Dwivedi, L De Boni, PJ Gonçalves, LM Mairink…
Index: Dwivedi; De Boni; Goncalves; Mairink; Menegatti; Fonseca; Zilio Spectrochimica Acta - Part A: Molecular and Biomolecular Spectroscopy, 2013 , vol. 105, p. 483 - 487
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Citation Number: 12
Abstract
This work reports on the optical nonlinearities of a newly synthesized pyrazole derivative, namely (E)-1-(4-chlorophenyl)-4-(2-nitrovinyl)-1H-pyrazole. The Z-scan technique with femtosecond laser pulses was used to determine the two-photon absorption (2PA) cross- section spectrum, which presents a maximum of 67GM at 690nm. We have combined hyper- Rayleigh scattering (HRS) experiments and second-order Møller–Plesset perturbation ...
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