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Solid-state dye-doped polymer is an attractive alternative to the conventional liquid dye solution. In this paper, the spectral characteristics and the nonlinear optical properties of the dye crystal violet are studied. The spectral characteristics of crystal violet dye doped poly(methylmethacrylate) modified with additive n-butyl acetate (nBA) are...
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In the present work, a novel methodology was developed for the fabrication of clay-based nano pigments with enhanced thermal stability and used further as a colorant to prepare polymeric membranes. Initially, the batch extraction studies were performed to analyze the maximum adsorption of Safranin O (SO) dye onto pristine montmorillonite (Mt) and o...
Citations
... Many materials have been studied for their NLO properties in the form of solid films and solutions using Z-scan under CW laser [47][48][49][50][51][52][53][54][55][56][57][58][59][60][61][62][63][64][65]. When comparing the values of the n 2 of the SBRR/PMMA film and SBRR solution with their values for other materials referring in the Refs. ...
... When comparing the values of the n 2 of the SBRR/PMMA film and SBRR solution with their values for other materials referring in the Refs. [47][48][49][50][51][52][53][54][55][56][57][58][59][60][61][62][63][64][65], we have found that the value of the n 2 of the SBRR/PMMA film and SBRR solution are greater or the same order than their values for materials referring in the Refs [47][48][49][50][51][52][53][54][55][56][57][58][59][60][61][62][63][64][65]. This indicates that the SBRR/PMMA film and SBRR solution are good candidates for their use in photonic applications. ...
... When comparing the values of the n 2 of the SBRR/PMMA film and SBRR solution with their values for other materials referring in the Refs. [47][48][49][50][51][52][53][54][55][56][57][58][59][60][61][62][63][64][65], we have found that the value of the n 2 of the SBRR/PMMA film and SBRR solution are greater or the same order than their values for materials referring in the Refs [47][48][49][50][51][52][53][54][55][56][57][58][59][60][61][62][63][64][65]. This indicates that the SBRR/PMMA film and SBRR solution are good candidates for their use in photonic applications. ...
The casting technique is employed to prepare the film from a mixture of sudan brown RR (SBRR) dye and poly methyl methacrylate (PMMA). The surface profile of this film is identified using a scanning probe microscope and image J software. The linear optical (LO) properties of the solid film were studied. The nonlinear optical (NLO) properties of SBRR/PMMA film and sudan brown (RR) solution in dimethylformamide (DMF) as a solvent are evaluated using two methods including diffraction ring patterns and Z-scan. The optical limiting (OLg) property for the SBRR/PMMA film and SBRR solution was extensively investigated. The values of nonlinear refractive index (NRI) and threshold limiting (TH) of the solid film and dye solution were compared.
... The value of DT pÀv can be determined The value of n 2 of the E-OCH 3 compound calculated using Zscan and CW laser is higher or the same order than the value of n 2 of some representative nonlinear optical materials mentioned in Refs. [16,[88][89][90][91][92][93][94][95][96][97][98][99]. These results displayed that the advantages of the synthesis of the E-OCH 3 compound, by showing the good nonlinear optical properties, compare them with materials known to have high nonlinear optical properties. ...
A liquid crystal (LC) type 4-((4-(benzothiazol-2-yl) phenyl) diazenyl) -3-hydroxyphenyl 4-methoxybenzoate (E-OCH3) is synthesized and characterized using ¹H-NMR, mass spectra and DSC thermo gram Marble and Schlieren textures. The DFT WB97XD/6-311+g(d,p) is used to obtain the LC optimized geometry. The possibility for the optical nonlinear (ONL) properties of the LC are studied using some chemical quantum descriptors (CQDs). The ONL properties are characterized by the determination of the LC nonlinear index of refraction (NIR) through diffraction ring patterns (DRPs) and the Z-scan methods using a continuous wave (CW) low power laser beam. The all-optical switching (AOS) of the LC is characterized using two visible laser beams of wavelengths 473 nm and 532 nm.
... The emergence of smart photonics and optoelectronics has caused worldwide concern about the optical nonlinearities of organic molecules. Among numerous organic molecular systems, the azo linkage in compounds has significant nonlinear optical (NLO) sensitivity due to their architectural flexibility (Afzal et al. 2016;Matazo et al. 2008;He and Wang 2008;Lee et al. 2005;Sindhu Sukumaran and Ramanlingam 2006). The electronic nonlinearity can be induced by population redistribution of electronic clouds that leads the perturbation of dipole moment in azo-containing molecules. ...
Azo-linkage in compounds offer broad-spectrum photochromic and nonlinear optical (NLO) properties owing to their architectural flexibility. The present work reports the effects of amino acids, organic solvents and ionic surfactants on the azo-hydrazone tautomerism and hence NLO properties of Methyl Red (MR) dye via the Z-scan technique and spectral-luminescent measurements. From the spectral measurements, the azo-hydrazone transition in MR was observed with the addition of amino acids (l-Phenylalanine and l-Alanine) and ionic surfactants (AOT and CTAB) probably due to the charge interaction. While, this azo-hydrazone switching was not observed with the change of solvent polarity. Moreover, with the provision of the quantum perturbation theory, it was observed that the NLO values of MR also transmuted by changing the concentration of amino acids and surfactants as well as solvent polarity probably due to the fluctuation of the dipole moment of dye during tautomerism and thermal conductivity of solvent, respectively. The results can be integrated into the possible future applications of azo-based molecules in novel photonic and optoelectronic devices.
