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Dive into the research topics where N E Sarkarov is active.

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Featured researches published by N E Sarkarov.


International Conference on Lasers, Applications, and Technologies 2002 Advanced Lasers and Systems | 2003

New methods of control of fast-flow laser operation regimes

A. I. Fedoseev; A. V. Fedjanovich; E. P. Ishenko; A. V. Mushenkov; A. I. Odintsov; N E Sarkarov

Fast-flow lasers with controllable dynamical regimes were analyzed. Generator-amplifier resonator system considered in the paper was found to possess particular physical mechanism of self-modulated pulsing. The mechanisms lie in the generator and amplifier interaction due to the feedback supplied with the flow. One of the mechanisms is the inversion saturation in the amplifier, which determines the gain of the medium entering the generator. At the same time spatial modulation of the gain profile, as a result of the edge effects in non-stationary optical field, can also affect the regime of lasing. Methods of a regime control based on mechanisms mentioned above are proposed.


Journal of Optical Technology | 2009

Free-running instability in laser systems when the active medium moves in a spatially periodic field

L. S. Kuz'minskiĭ; A. I. Odintsov; N E Sarkarov; A. I. Fedoseev

Using a flow-through laser with an unstable-cavity-multibeam-amplifier optical system as an example, it is shown that, when the active medium moves through a spatially periodic field, self-excited perturbations can build up in the flow of the medium, resulting in instability of the steady-state lasing. This phenomenon is explained by the interference of the perturbation waves formed in the moving medium at the edges of the beams.


Quantum Electronics | 2006

Self-oscillation perturbations in a fast-flow unstable resonator laser

A. I. Odintsov; N E Sarkarov; A. I. Fedoseev


Quantum Electronics | 2001

Space — time structure of radiation from a high-power fast-flow CO2 laser

V A Gurashvili; A. M. Zotov; Pavel V. Korolenko; Anatoly P. Napartovich; S P Pavlov; Alexander V. Rodin; N E Sarkarov


Quantum Electronics | 2000

Effect of regular wavefront perturbations on the structural transformation of laser beams

V A Gurashvili; A. M. Zotov; Pavel V. Korolenko; N E Sarkarov


Journal of Optical Technology | 2000

Some features of cavities containing a retromirror

V. N. Bokshits; N. N. Elkin; A. I. Kutsenko; A. P. Napartovich; S. P. Pavlov; A. M. Perezhogin; N E Sarkarov; E. A. Shiryaev


Quantum Electronics | 1998

Investigation of the polarisation of powerful laser radiation in multipass cavities with retroreflectors

S V Antonyuk; A I Kutsenko; V. G. Naumov; A. M. Perezhogin; N E Sarkarov


Quantum Electronics | 1998

Multimode operation of a cw CO2 laser with an unstable cavity in the presence of phase inhomogeneities

V V Valuev; V G Naumov; N E Sarkarov; P A Svotin


Quantum Electronics | 1998

Investigations of multimode stimulated emission from powerful CO2 lasers

V V Valuev; A I Kutsenko; Anatoly P. Napartovich; V. G. Naumov; S P Pavlov; N E Sarkarov; P A Svotin


Quantum Electronics | 1997

Dynamics of the operation of a fast-flow laser with inhomogeneous excitation of the active medium in an unstable cavity

A. V. Mushenkov; A. I. Odintsov; N E Sarkarov; A. I. Fedoseev; A V Fedyanovich

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A. M. Zotov

Moscow State University

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