10 November 2003 Synthesis, characterization, and bulk crystal growth of nonlinear 3-substituted salicylidene aniline derivatives
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Salicylidene-aniline (SA) derivatives have been synthesized and characterized for optical and nonlinear optical properties. The substituents used as methyl (-CH3), chloro (-Cl), and nitro (-NO2) groups. These substituent groups show a variation in their electro-negativity characteristics and hence have the capacity to perturb the electrons system in the parent ring structure of the salicylidene-aniline compound. Material characterization has been done using various analytical tools namely: DSC, FTIR, UV-VIS and GC/MS. The nonlinear optical characterization has been done using the Kurtz powder efficiency method. The nonlinear refractive index and the third order susceptibility have been determined using the Z-Scan method in solution using ethanol as the solvent. The Kurtz powder efficiency measurements using urea as standard gives the values as 0.7 for 3-Cl SA, 0.8 3-NO2 SA and 1.0 for the 3-CH3 SA derivative. The results of single bulk crystals grown using the Bridgman-Stockbarger method are reported.
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Kamala Bhat, Kamala Bhat, Tesfaye Gebre, Tesfaye Gebre, Ashok K. Batra, Ashok K. Batra, Mohan D. Aggarwal, Mohan D. Aggarwal, Matthew E. Edwards, Matthew E. Edwards, Michael J. Curley, Michael J. Curley, Sergey S. Sarsikov, Sergey S. Sarsikov, R. B. Lal, R. B. Lal, Benjamin G. Penn, Benjamin G. Penn, Donald O. Frazier, Donald O. Frazier, D. V. Prabhu, D. V. Prabhu, N. B. Laxmeshwar, N. B. Laxmeshwar, } "Synthesis, characterization, and bulk crystal growth of nonlinear 3-substituted salicylidene aniline derivatives", Proc. SPIE 5212, Linear and Nonlinear Optics of Organic Materials III, (10 November 2003); doi: 10.1117/12.508589; https://doi.org/10.1117/12.508589

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