A.P. Korzhavyi - Dr. Sc. (Eng.), Professor, Kaluga branch of the Bauman MSTU E-mail: fn2kf@list.ru B.M. Loginov - Dr. Sc. (Phys.-Math.), Professor, Kaluga branch of the Bauman MSTU E-mail: bmloginov@kaluga.ru M.B. Loginova - Ph. D. (Phys.-Math.), Associate Professor, Kaluga branch of the Bauman MSTU E-mail: bmloginov@kaluga.ru Yu.S. Belov - Ph. D. (Phys.-Math.), Associate Professor, Kaluga branch of the Bauman MSTU E-mail: ybs82@mail.ru S.V. Rybkin - Ph. D. (Phys.-Math.), Associate Professor, Kaluga branch of the Bauman MSTU E-mail: bmloginov@kaluga.ru