V.S. Sobolev - Dr. Sc. (Eng.), Professor, Main Research Scientist, Head of Laboratory of Laser Information-Measuring Systems, Institute of Automation and Electrometry SB RAS (Novosibirsk) E-mail: sobolev@iae.nsk.su G.A. Kascheeva - Research Scientist, Institute of Automation and Electrometry SB RAS (Novosibirsk) E-mail: sobolev@iae.nsk.su