Aqueous solutions of MgSO3.6H2O:M (M = Co or Co+Ni) for laser applications

P. Petkova; P. Vasilev; M. Mustafa; V. Nedkov; J. Tacheva; Y. Tzoukrovsky

doi:10.1117/12.2176130

8 January 2015 Aqueous solutions of MgSO₃.6H₂O:M (M = Co or Co+Ni) and nonlinear optics

P. Petkova, P. Vasilev, M. Mustafa, V. Nedkov, J. Tacheva, Y. Tzoukrovsky

Proceedings Volume 9447, 18th International School on Quantum Electronics: Laser Physics and Applications; 94471K (2015) https://doi.org/10.1117/12.2176130
Event: Eighteenth International School on Quantum Electronics: Laser Physics and Applications, 2014, Sozopol, Bulgaria

Abstract

The cations of 3d metals in water and alcohol create aqueous complexes, with the creation and stability of the aqua cations are of particular importance. The number of water molecules connected with the metal by direct metal-oxygen bonds determines the properties of the complex. The traditional measurements of, for example, ions mobility, ostensible radii of the hydration ions and the entropy of hydration, do not yield detailed information for the aqua ions, which is why studies of their spectral properties becomes necessary. These properties depend on the composition and the symmetry of the surrounding medium. In this work, the absorption of the complexes [Co(H₂O)6]²⁺ and [Co+Ni(H₂O)6]²⁺ were measured in the spectral region 395 – 600 nm. The energies of the electron transitions in Co²⁺ were calculated and the role of the spin-orbit coupling was evaluated. The calculated and experimental Lorentz profiles of the complexes investigated are also presented.

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P. Petkova, P. Vasilev, M. Mustafa, V. Nedkov, J. Tacheva, and Y. Tzoukrovsky "Aqueous solutions of MgSO₃.6H₂O:M (M = Co or Co+Ni) and nonlinear optics", Proc. SPIE 9447, 18th International School on Quantum Electronics: Laser Physics and Applications, 94471K (8 January 2015); https://doi.org/10.1117/12.2176130

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