4.4 Article

Study of Third-order Nonlinear Optical Properties of Basic Violet 3 Dye in Polar Protic and Aprotic Solvents

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JOURNAL OF FLUORESCENCE
卷 31, 期 6, 页码 1637-1644

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SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10895-021-02796-z

关键词

Basic violet 3 dye; TONLO; Polar protic and aprotic solvents; Saturable and reverse saturable absorption

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The present work investigates the third-order nonlinear optical behavior of basic violet 3 dye in various solvents, showing that the polarity of the solvent significantly affects the optical properties of the dye sample. The dye exhibits self-defocusing nonlinearity and both saturable and reverse saturable absorption, with the potential for applications in photonics and optoelectronics.
The present work aims to study of third-order nonlinear optical (TONLO) behavior of basic violet 3 dye dissolved in polar protic and aprotic solvents, namely, ethanol, 1-propanol, acetone and dimethyl sulfonate (DMSO), respectively. The polarity of the solvent used to have a substantial impact on the linear and TONLO properties of the dye sample. The dye exhibits self-defocusing nonlinearity due to thermally induced nonlinear refractive index and nonlinear absorption coefficient reveals the character of both saturable and reverse saturable absorption (RSA). The order of magnitude of nonlinear refractive index (n(2)) and nonlinear coefficient of absorption (beta) of dye sample was determined to be 10(-7) cm(2)/W and 10(-3) cm/W, respectively. The real and imaginary factors of the TONLO susceptibility of basic violet 3 dye were measured to be the power of 10(-5) esu. The obtained results reveal that the dye sample seems to have the potential candidate for use in various photonics and optoelectronics applications.

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