Abstract
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 (n2) and nonlinear coefficient of absorption (β) of dye sample was determined to be 10-7 cm2/W and 10-3cm/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.
Highlights
Nonlinear optics is an exciting filed of physics that plays a major role in modern telecommunication technology [1]
This paper reports the third-order nonlinear optical (TONLO) characteristics of basic violet 3 dye dissolved in protic and aprotic solvents using a continuous wave laser working at 635 nm wavelength
TONLO behavior of basic violet 3 dye in polar protic and aprotic solvents was examined by a 5 mw power CW laser working at 635 nm wavelength
Summary
Nonlinear optics is an exciting filed of physics that plays a major role in modern telecommunication technology [1]. Nonlinear optical (NLO) materials have been widely used in two-photon microscopy, optical switching, data storage, optical communication, and eye and sensor production [4,5,6]. The interest for studying NLO properties of organic materials has gained in popularity due to their merit of large nonlinearity and hyperpolarizability, good photo-thermal stability, quick response time, modification of chemical structure, high damage threshold, ease of processing, etc [13]. Basic violet 3 is a triarylmethane dye and seems to have a bright blue purple color. This dye can be produced by condensation of 4dimethylaminobenzaldehyde with dimethylaniline, followed by oxidation of the leuco base. Basic violet 3 dye is one of the oldest types of synthetic dye which is widely used as a biological stain in veterinary medicine, papermaking, leather, food, cosmetic industries, textile, and printing [18]
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