I.G. Ivanov - Dr. Sc. (Phys.-Math.), Professor, Department of Physics, Southern Federal University (Rostov-on-Don). E-mail: ig.ivanov@mail.ru A.M. Bessmertny - Student, Department of Physics, Southern Federal University (Rostov-on-Don). E-mail: bes93@mail.ru

The results of calculation and measurements of the hyperfine and isotopic structure splitting of ion laser lines of thallium (λ = 594,9 nm and λ = 695 nm, TlII), gallium (λ = 633,4 nm, GaII) and indium (λ = 768,5 nm and λ = 689,3 nm, InII) are presented. That is caused by hyperfine splitting of upper and lower laser levels on some sublevels, and also by shift of sublevels energy at the expense of a volume isotopic effect for various isotopes containing in natural mixture of each metal. Values of splitting line factors, sizes of full effective linewidth, and also an intervals between the most intensive components of hyperfine structure of lines are found. Comparison of results with experiment is carried out.

 

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