Article ID Journal Published Year Pages File Type
846971 Optik - International Journal for Light and Electron Optics 2016 4 Pages PDF
Abstract

We report here the third order nonlinear optical properties of the 1,1′-methylenedipyridinium tetrachloridocuprate(II) in chloroform (CHCl3) solution using Z-scan technique. Measurements were performed with a CW Diode laser at 635 nm wavelength and 26 mW power. The nonlinear optical absorption coefficient (β) and nonlinear refraction (n2) were of the order 4.46 × 10−4 cm/W and 3.74 × 10−8 cm2/W, respectively. The operating mechanism is reverse saturable absorption (RSA) as the excited-state absorption cross-section was found higher than ground state absorption cross-section. The magnitude of nonlinear absorption coefficient (β) was found decreasing with on-axis input intensity (I0). Our results suggest that this material is considered as a promising candidate for future optical devices applications.

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