Informacja

Drogi użytkowniku, aplikacja do prawidłowego działania wymaga obsługi JavaScript. Proszę włącz obsługę JavaScript w Twojej przeglądarce.

English (EN)·Polski (PL)·Yкраїнський (UK)
Przejdź do strony domowej biblioteki Centralna Biblioteka Wojskowa Link otwiera się w nowym oknie Logo biblioteki Prolib Integro - strona głównaCentralna Biblioteka Wojskowa

Wyszukujesz frazę "Petrovic, M. S." wg kryterium: Wszystkie pola

  Lista filtrów
Wyrównaj
    Wyświetlanie 1-10 z 10
    Tytuł:
    "Necklace-Ring" Beams in Saturable Kerr Media with Square-Root Nonlinearity
    Autorzy:
    Petrović, M. S.
    Powiązania:
    https://bibliotekanauki.pl/articles/2047852.pdf
    Data publikacji:
    2007-11
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.65.Tg
    42.65.Sf
    Opis:
    Analytical and numerical investigation of the propagation of "necklace-ring" optical beams in Kerr-like saturable photorefractive media with square-root nonlinearity is carried out. Analytic expression for the propagation dynamics of the necklace beams is in good agreement with numerical findings.
    Źródło:
    Acta Physica Polonica A; 2007, 112, 5; 921-925
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Four- and Two-Wave Mixing in Solids
    Autorzy:
    Suchocki, A.
    Gilliland, G. D.
    Quarles, G. J.
    Petrovic, M. S.
    Powell, R. C.
    Powiązania:
    https://bibliotekanauki.pl/articles/1888054.pdf
    Data publikacji:
    1991-08
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.65.Ma
    71.35.+z
    Opis:
    The paper gives an overview of theory and presents several examples of application of some holographic techniques: four-wave mixing, self-scattering and beam coupling to study nonlinear optical properties of solids. Among them excitation energy transfer in chromium-doped vibronic laser materials and picosecond study of undoped CdTe are reported.
    Źródło:
    Acta Physica Polonica A; 1991, 80, 2; 207-219
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Optically-Determined Exciton Transport in GaAs Structures
    Autorzy:
    Gililand, G. D.
    Wolford, D. J
    Hjalmarson, H. P
    Petrovic, M. S.
    Klem, J.
    Kuech, T. F.
    Northrop, G. A.
    Bradley, J. A.
    Powiązania:
    https://bibliotekanauki.pl/articles/1929606.pdf
    Data publikacji:
    1993-09
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    78.47.+p
    72.80.Ey
    Opis:
    We have used an all-optical photoluminescence-imaging technique to measure excitonic transport in three types of GaAs structures in which the excitonic transitions vary from allowed direct-gap excitons to forbidden, doubly-indirect Type-II excitons. We f nd remarkable differences in the transport properties of these excitons. Our studies show that bulk free-exciton transport exhibits an anomalous laser power-dependent diffusivity, whereas quasi-2D interfacial excitons and Type-II cross-interface excitons do not. Additionally, we observe localization of cross-interface excitons at the potential disorder induced by the heterointerface roughness.
    Źródło:
    Acta Physica Polonica A; 1993, 84, 3; 409-417
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dancing Light: Counterpropagating Beams in Photorefractive Crystals
    Autorzy:
    Belić, M.
    Petrović, M.
    Jović, D.
    Strinić, A.
    Arsenović, D.
    Prvanović, S.
    Jovanović, R.
    Petrović, N.
    Powiązania:
    https://bibliotekanauki.pl/articles/1814046.pdf
    Data publikacji:
    2007-11
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.65.Tg
    42.65.Sf
    Opis:
    A review of work on the dynamical behavior of counterpropagating incoherent laser beams in photorefractive crystals is presented. Numerical study of counterpropagating beams of different type is carried out, in both space and time, using an appropriate theoretical model. The development of patterns in broad hyper-Gaussian counterpropagating beams in saturable Kerr-like media is investigated, by varying the width of beams. Rotational properties of counterpropagating mutually incoherent self-trapped vortex beams in optically induced fixed photonic lattices are also investigated numerically. One of the fundamental quantum mechanical phenomena is observed for the counterpropagating beams in photonic lattices, the tunneling of light from the first to the higher-order bands of the lattice band gap spectrum. The transfer of angular momentum from vortex beams to optically induced photonic lattices is also demonstrated. For the interacting beams it is found that the sum of angular momenta of counterpropagating components is not a conserved quantity, but the difference is. In the fixed lattices there is always a considerable loss of angular momentum.
    Źródło:
    Acta Physica Polonica A; 2007, 112, 5; 729-736
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Radiation Absorption Characteristics of Titanium Alloys
    Autorzy:
    Stankovic, S.
    Ilic, R.
    Davidovic, D.
    Petrovic, M.
    Tadic, S.
    Kovacevic, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1808063.pdf
    Data publikacji:
    2009-04
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    79.20.Ap
    Opis:
    Titanium alloys have found numerous applications in space research, and nuclear industry and research. Since X-rays constitute an important part of the space radiation environment, numerical simulations of radiation absorption characteristics of titanium alloys were studied in this paper. The photon transport Monte Carlo software was used for determining the energy deposited in titanium samples. The numerical results show the pronounced dependence of radiation absorption properties of different combinations of components in alloy. The results obtained are encouraging in respect of optimization of structure of alloys regarding their required features in radiation shielding.
    Źródło:
    Acta Physica Polonica A; 2009, 115, 4; 820-822
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Mechanical Characteristics of As₂S₃ Glasses Induced by Doping with Bismuth
    Autorzy:
    Šiljegović, M.
    Lukić-Petrović, S.
    Petrović, D.
    Videnović, I.
    Turyanytsa, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/1398705.pdf
    Data publikacji:
    2016-04
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    61.43.Fs
    62.20.-x
    62.20.D-
    64.75.Gh
    Opis:
    This paper presents and discusses the results of the instrumented indentation test of the samples of the system $Bi_{x}(As₂S₃)_{100-x}$, x= 1.5, 3, 5, and 7 at.%. Measurements of mechanical parameters were performed using a Fischerscope HM2000 S nanoindentation device. The experimental data obtained by measuring the microhardness parameters were used to determine some other mechanical quantities that are important for the characterization of the examined materials in terms of their potential applications. For the first three compositions, the results indicated an increase in the microhardness with the increase in the content of doping atoms, which can be interpreted as an enhancement of the strength and stiffness of the structural network. The lower value of microhardness of the sample with the maximum content of Bi can BE associated with the specific structure of this composition. The pronounced indentation size effect was also detected on the indentation curve in the range of smaller loads. According to the model of elastic-plastic deformation, applied for the description of indentation size effect measured for the investigated chalcogenides, the largest value of the elastic recovery was observed for the sample Bi₇(As₂S₃)₉₃. The calculated values of the elasticity modulus show that the glass with x= 5 at.% Bi is characterized with the highest atomic packing density.
    Źródło:
    Acta Physica Polonica A; 2016, 129, 4; 488-491
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Gaussian-Induced Rotation in Triangular Photonic Lattices
    Autorzy:
    Jović, D.
    Prvanović, S.
    Jovanović, R.
    Petrović, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2047884.pdf
    Data publikacji:
    2007-11
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.65.Tg
    42.65.Sf
    Opis:
    Time-dependent rotation of counterpropagating mutually incoherent self-trapped Gaussian beams in periodic optically induced fixed photonic lattices is numerically investigated. Rotation occurs for some values of control parameters. For parameters of such rotation, the solitonic solutions are found using modified Petviashvili's method. It is shown that they correspond to the lowest values of propagation constant in the power diagrams and relation between observed rotation and less confined discrete solitonic solutions are demonstrated.
    Źródło:
    Acta Physica Polonica A; 2007, 112, 5; 1067-1072
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Characterization of X-Ray Diamond Detector by Monte Carlo Method
    Autorzy:
    Stankovic, S.
    Ilic, R.
    Davidovic, D.
    Petrovic, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1808062.pdf
    Data publikacji:
    2009-04
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    29.40.Wk
    Opis:
    The use of diamond as material for X-ray detector is subject of investigation and practice in radiotherapy, space and material science and technology. This paper presents the results of application of Monte Carlo method for simulation of photon transport through diamond detector. The aim is restitution and demonstrating of numerical technique for characterization of electrical properties for different detector conditions and configurations. Monte Carlo code was adopted to determine the energy deposited and dose distribution in the structure of diamond detector. Our results show that the use of numerical simulations may be of essential help in design of diamond detector systems.
    Źródło:
    Acta Physica Polonica A; 2009, 115, 4; 816-819
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Calculations of Cross Sections Data for Scattering of Electrons on HBr
    Autorzy:
    Radmilović-Radjenović, M.
    Petrović, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/1537831.pdf
    Data publikacji:
    2010-05
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    34.50.-s
    34.50.Gb
    Opis:
    The R-matrix method provides a complete theoretical framework for the treatment of low energy electron collisions. The method has been implemented into code Quantemol-N (EE) with a goal to provide users in plasma modeling, swarm studies and other applications with an option to calculate the missing data. In this paper we report on cross sections and rate coefficients for hydrogen bromide obtained by using Quantemol-N. The total cross section has been calculated both with and without Born corrections.
    Źródło:
    Acta Physica Polonica A; 2010, 117, 5; 745-747
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Surface Modification of Metallic Targets with Ultrashort Laser Pulses
    Autorzy:
    Gakovic, B.
    Stasic, J.
    Petrovic, S.
    Radak, B.
    Krmpot, A.
    Jelenkovic, B.
    Trtica, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/1795615.pdf
    Data publikacji:
    2009-10
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.62.-b
    61.80.Ba
    61.82.Bg
    79.20.Eb
    Opis:
    Interaction of pulsed femtosecond Ti:sapphire laser (160 fs), operating at high repetition rate (75 MHz) at 800 nm, with nickel-based superalloy Inconel 600 and tungsten-titanium (WTi) target was studied. The WTi target was in form of thin film deposited on silicon substrate. Low laser fluence of maximum 50 mJ/cm^{2} had modified the target surface during irradiation/exposure time of seconds or minutes. The radiation absorbed from the laser beam generates at the surface a series of effects, such as direct material vaporization, formation of clusters, etc. Morphological features of the targets can be summarized as: (a) intensive removal of material and crater appearance; (b) creation of nanostructures; (c) microcracking, etc. Ablation of Inconel 600 surface is effective, resulting in formation of holes with small diameter ( ≤ 10 μm) and relatively large depth ( ≤ 50 μm). In case of WTi target/thin film, the surrounding rim is not so expressed, and crater depths are lower. It can be concluded that the average laser power of the order of watts, pulse energies of the order of nanojoules and high repetition rates (MHz range) can successfully modify metallic materials.
    Źródło:
    Acta Physica Polonica A; 2009, 116, 4; 611-613
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-10 z 10

      Ta witryna wykorzystuje pliki cookies do przechowywania informacji na Twoim komputerze. Pliki cookies stosujemy w celu świadczenia usług na najwyższym poziomie, w tym w sposób dostosowany do indywidualnych potrzeb. Korzystanie z witryny bez zmiany ustawień dotyczących cookies oznacza, że będą one zamieszczane w Twoim komputerze. W każdym momencie możesz dokonać zmiany ustawień dotyczących cookies