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Wyszukujesz frazę "Belicev, P." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Characteristics of the 2nd Harmonic ECR Micro Plasma Sources by Using PIC/MCC Simulations
Autorzy:
Radmilović-Radjenović, M.
Radjenović, B.
Beličev, P.
Powiązania:
https://bibliotekanauki.pl/articles/1419747.pdf
Data publikacji:
2012-07
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
52.25.Os
52.65.-y
Opis:
In this paper we have presented our simulation studies of 2.4 GHz microwave plasma production under the electron cyclotron resonance with an idea to expand the plasma generation conditions into the much lower pressure range and much shorter gap length. As the first for this purpose, we have focused on the influences of applied magnetic field, gas pressure and gap length on the breakdown and maintenance of plasmas. Calculations were performed by using a one-dimensional particle-in-cell/Monte Carlo collisions code with three velocity components. The obtained simulation results are in a good agreement with the available experimental data providing an insight into the resonant electron acceleration for ECR condition and the resonant electron confinement for the 2nd harmonic ECR. In addition, analytical expressions for the breakdown voltage and the trapping field have been derived.
Źródło:
Acta Physica Polonica A; 2012, 122, 1; 128-131
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Influence of the Goos-Hänchen Shift on Tunneling Times in Dispersive Nonlinear Media
Autorzy:
Ilić, I.
Beličev, P.
Milanović, V.
Radovanović, J.
Hadžievski, Lj.
Powiązania:
https://bibliotekanauki.pl/articles/1795625.pdf
Data publikacji:
2009-10
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
03.65.Xp
42.25.Bs
42.65.Hw
78.20.Ci
Opis:
The Goos-Hänchen effect is an optical phenomenon defined as a displacement of the reflected beam of linearly polarized light after the total internal reflection, which occurs perpendicularly to the direction of propagation. Due to this effect, when an optical wave propagates through a barrier, tunneling times may change accordingly. In this paper, we consider the impact of the Goos-Hänchen effect on group delay and dwell time for electromagnetic wave propagating through a nonlinear dispersive slab placed inside linear dispersive surroundings. Numerical calculations are performed for the special case, namely a double negative index metamaterial embedded into a material with a saturable nonlinearity, when a background medium is vacuum. The numerical results for tunneling times are calculated when the Goos-Hänchen effect is observed. It is shown that this approach gives more accurate expressions for tunneling times when the angle of incidence has a non-zero value.
Źródło:
Acta Physica Polonica A; 2009, 116, 4; 638-641
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Time Delay in Thin Dielectric Slabs with Saturable Nonlinearity
Autorzy:
Beličev, P.
Ilić, I.
Radovanović, J.
Milanović, V.
Hadžievski, Lj.
Powiązania:
https://bibliotekanauki.pl/articles/1808066.pdf
Data publikacji:
2009-04
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
03.65.Xp
41.20.Jb
42.25.Bs
42.70.Nq
Opis:
Time delays for an intense transverse electric wave propagating through a slab with saturable nonlinearity are investigated. The nonlinearity is assumed in a form of the Vinetskii-Kukhtarev model, which is relevant for the slabs made of nonlinear photorefractive crystals, such as GaAs and $LiNbO_3$, which feature a saturable nonlinearity. The expressions for the group delay and the dwell time are derived and the relation between them is studied. It is shown that the difference between them has three different contributions. The first one corresponds to the self-interference associated with the dispersion of the medium surrounding the slab. The other two appear due to the nonlinearity of the slab and oblique incidence of the transverse electric wave. All the results are compared with the case of dielectric slabs with cubic (Kerr) nonlinearity.
Źródło:
Acta Physica Polonica A; 2009, 115, 4; 834-837
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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