S.I. Derzhavin - Ph.D. (Phys.-Math.), Head of Laboratory «Diode Lasers», «Advanced Energy Technologies» LTD; Head of Laboratory of Powerful Semiconductor Laser Devices, Department of High-Power Lasers, Prokhorov General Physics Institute, Russian Academy of Sciences (Moscow) E-mail: derzh@kapella.gpi.ru S.M. Klimentov  Head of Laboratory of Photonic Devices and Technologies, Department of Coherent and Nonlinear Optics, Prokhorov General Physics Institute, Russian Academy of Sciences (Moscow) E-mail: kliment-61@mail.ru D.A. Mashkovsky  Research Scientist, Laboratory of Powerful Semiconductor Laser Devices, Department of High-Power Lasers, Prokhorov General Physics Institute, Russian Academy of Sciences (Moscow) E-mail: dma@kapella.gpi.ru V.N. Timoshkin  Research Scientist Laboratory of Powerful Semiconductor Laser Devices, Department of High-Power Lasers, Prokhorov General Physics Institute, Russian Academy of Sciences (Moscow) E-mail: vtim@kapella.gpi.ru