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Avtometriya

2018 year, number 1

STUDY OF NONLINEAR OPTICAL PROPERTIES OF SAFFRON IN NANO-DROPLET AND SOLVENT BY THE SINGLE BEAM Z-SCAN TECHNIQUE

A. Azarpour, S. Sharifi, M. Khzaei-Nezhad
Ferdowsi University of Mashhad, 9177948974, Iran, Mashhad, Azadi Square, Rasavi Khorasan Province
Keywords: нелинейно-оптические свойства шафрана, Z-сканирование, nonlinear optical properties of saffron, Z-scan

Abstract

Molecules with strong two-photon absorption have applications in photodynamic therapy and photonic devices. The effect of polarity of the medium and microemulsion on nonlinear optical properties of saffron is studied by the Z-scan technique with a CW laser at the 532 nm wavelength. The values of the nonlinear refractive index and two-photon absorption of saffron are found to increase with a decrease in the medium polarity and with an increase in the droplet size in the microemulsion.