Highly polarizable metallic complexes for nonlinear optics copper(II) and nickel(II) complexes of bis(salicylaldiminato) Schiff base

Abdalla M. Darwish; Robert R. Copeland; R. Sliz; Putcha Venkateswarlu; Mohan D. Aggarwal; Alton Williams; Kamala N. Bhat; James M. Thompson; N. B. Laxmeshwar

doi:10.1117/12.256169

1 November 1996 Highly polarizable metallic complexes for nonlinear optics copper(II) and nickel(II) complexes of bis(salicylaldiminato) Schiff base

Abdalla M. Darwish, Robert R. Copeland, R. Sliz, Putcha Venkateswarlu, Mohan D. Aggarwal, Alton Williams, Kamala N. Bhat, James M. Thompson, N. B. Laxmeshwar

Author Affiliations +

Proceedings Volume 2852, Nonlinear Optical Properties of Organic Materials IX; (1996) https://doi.org/10.1117/12.256169
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

In this study highly polarizable metallic complexes of Cu²⁺, Ni²⁺, and Cr³⁺ of Bis(salicylaldiminato) Schiff base have been synthesized. These nonlinear optical materials showed second harmonic generation (SHG) when they were pumped 1.06 micrometers Nd:YAG laser. The intensity of the SH signal varied between the metal complexes, being strongest for Ni-salen complex. An extensive study for these materials has been done to characterize their optical quality and chemical stability. We report here the synthesis, nonlinear optical characterization, electron paramagnetic resonance, FTIR, thermogravimetric measurements and the second order nonlinear response of thermally robust series of donor- acceptor substituted Bis(salicylaldiminato) Ni²⁺, Cu²⁺, and Cr³⁺ complexes.

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Abdalla M. Darwish, Robert R. Copeland, R. Sliz, Putcha Venkateswarlu, Mohan D. Aggarwal, Alton Williams, Kamala N. Bhat, James M. Thompson, and N. B. Laxmeshwar "Highly polarizable metallic complexes for nonlinear optics copper(II) and nickel(II) complexes of bis(salicylaldiminato) Schiff base", Proc. SPIE 2852, Nonlinear Optical Properties of Organic Materials IX, (1 November 1996); https://doi.org/10.1117/12.256169

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