Zobrazeno 1 - 10
of 311
pro vyhledávání: '"Stepanov, K."'
Autor:
Chernutsky, A. O., Zhirnov, A. A., Fedorov, A. K., Nesterov, E. T., Stepanov, K. V., Tezadov, Ya. A., Kondrashin, E. V., Karasik, V. E., Pnev, A. B.
Publikováno v:
PIERS Proc., 2231 (2017)
Probe pulse preparation techniques play an important role for fiber-optic sensing. In this work, we investigate a setup for distributed sensors based on phase-sensitive optical time domain reflectometry ($\Phi$-OTDR) with the use of an erbium doped f
Externí odkaz:
http://arxiv.org/abs/1612.03893
Autor:
Pnev, A. B., Stepanov, K. V., Dvoretskiy, D. A., Zhirnov, A. A., Nesterov, E. T., Sazonkin, S. G., Chernutsky, A. O., Shelestov, D. A., Fedorov, A. K., Svelto, C., Karasik, V. E.
Publikováno v:
Int. J. Adv. Biotechnol. Res 7, 1445 (2016)
We propose a novel scheme for laser phase noise measurements with minimized sensitivity to external fluctuations including interferometer vibration, temperature instability, other low-frequency noise, and relative intensity noise. In order to minimiz
Externí odkaz:
http://arxiv.org/abs/1611.10353
Autor:
Zhirnov, A. A., Stepanov, K. V., Chernutsky, A. O., Fedorov, A. K., Nesterov, E. T., Svelto, C., Pnev, A. B., Karasik, V. E.
Publikováno v:
Opt. Spectrosc. 127, 656 (2019)
The influence of the laser frequency drift on the operation of phase-sensitive optical time-domain reflectometry ($\Phi$-OTDR) systems is considered. Theoretical results based on a new numerical $\Phi$-OTDR model demonstrating the influence of the la
Externí odkaz:
http://arxiv.org/abs/1604.08854
Akademický článek
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An extension of hydrodynamic D'Angelo mode of inhomogeneous sheared plasma flow along the magnetic field into the short-wavelength limit, where the hydrodynamic treatment is not valid, has been considered. We find that D'Angelo mode in this wavelengt
Externí odkaz:
http://arxiv.org/abs/1108.0093
The electrostatic shear-flow-driven ion cyclotron instability of magnetic field aligned sheared plasma flow is investigated analytically. It is shown that the shear-flow-driven electrostatic ion cyclotron instability can be considered as a combinatio
Externí odkaz:
http://arxiv.org/abs/1101.2912
The linear and renormalized nonlinear kinetic theory of drift instability of plasma shear flow across the magnetic field, which has the Kelvin's method of shearing modes or so-called non-modal approach as its foundation, is developed. The developed t
Externí odkaz:
http://arxiv.org/abs/1101.2567
The linear and renormalized nonlinear analysis of the temporal evolution of drift-type modes in plasma flows with strong time-varying velocity shear is developed. Analysis is performed in the time domain without spectral decomposition in time and adm
Externí odkaz:
http://arxiv.org/abs/0907.5328
The analytical treatment of nonlinear evolution of the shear-flow-modified current driven ion cyclotron instability and shear-flow-driven ion cyclotron kinetic instabilities of magnetic field--aligned plasma shear flow is presented. Analysis is perfo
Externí odkaz:
http://arxiv.org/abs/0810.0362
Akademický článek
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