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Wyszukujesz frazę "Pantelić, D." wg kryterium: Wszystkie pola

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    Wyświetlanie 1-10 z 10
    Tytuł:
    Influence of the Heat Treatment on the Band Gaps in the Biopolymer Photonic Crystals
    Autorzy:
    Savic-Sevic, S.
    Pantelic, D.
    Jelenkovic, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/1795629.pdf
    Data publikacji:
    2009-10
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.70.Qs
    42.40.Pa
    82.35.Pq
    87.15.rp
    Opis:
    1D photonic crystal was fabricated in a dichromate-sensitized biopolymer using holography method. The effects of the temperature of the photonic crystal layer on the center of photonic band gaps were studied. We showed that the central wavelength of the band gap can be tuned by heating the photonic crystal layer. By applying such heat treatment, tuning of the position of the band gap for about 80 nm was obtained.
    Źródło:
    Acta Physica Polonica A; 2009, 116, 4; 645-646
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Imaging Properties of Laser-Produced Parabolic Profile Microlenses
    Autorzy:
    Vasiljević, D.
    Murić, B.
    Pantelić, D.
    Panić, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/2047865.pdf
    Data publikacji:
    2007-11
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.70.Gi
    81.05.Zx
    42.30.Lr
    42.15.Fr
    Opis:
    Imaging properties of the concave microlens are presented. Microlenses are produced by using tot'hema eosin sensitized gelatin and 532 nm laser irradiation (2nd Nd:YAG harmonic). Imaging properties of microlenses are analized by calculation: the RMS wave front aberration, the diffraction point spread function cross section and the spot diagram. The obtained microlenses had excellent, near diffraction limited, performance for the moderate field angles.
    Źródło:
    Acta Physica Polonica A; 2007, 112, 5; 993-999
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Aberrations of Betanin Sensitized Gelatin Microlenses
    Autorzy:
    Vasiljević, D.
    Murić, B.
    Pantelić, D.
    Panić, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/1795610.pdf
    Data publikacji:
    2009-10
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.15.Fr
    42.70.Gi
    81.05.Zx
    42.79.Bh
    Opis:
    Aberrations of the concave aspherical microlenses are presented. Microlenses are produced by using betanin sensitized gelatin and 532 nm laser irradiation (2nd Nd:YAG harmonic). Aberrations are analyzed by calculation of the longitudinal spherical aberration and the root mean square RMS spot radius. Three presented microlenses had good image quality for the large F number and the moderate field angle.
    Źródło:
    Acta Physica Polonica A; 2009, 116, 4; 592-594
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of Fourier-Pade Approximation in Analysis of Holographic Diffraction Gratings
    Autorzy:
    Sevic, D.
    Savic-Sevic, S.
    Pantelic, D.
    Marinkovic, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/1399165.pdf
    Data publikacji:
    2013-10
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    02.30.Mv
    02.30.Nw
    42.40.Eq
    Opis:
    The diffraction gratings, fabricated in our laboratory, were presented and analyzed by atomic force microscopy in earlier publications. In this paper we apply the Fourier-Pade approximation on our data previously analyzed by fast Fourier transform, proving advantages of using the Fourier-Pade approximation for spectral analysis of structural properties of some optical materials.
    Źródło:
    Acta Physica Polonica A; 2013, 124, 4; 619-621
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Holographic Fabrication of Periodic Microstructures in Dichromated Pullulan
    Autorzy:
    Savić-Šević, S.
    Pantelić, D.
    Gajić, R.
    Isić, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/2047886.pdf
    Data publikacji:
    2007-11
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.40.-i
    42.70.Ln
    42.70.Qs
    Opis:
    Photonic crystal structures are fabricated in dichromated pullulan by the holographic technique. Relief structures of photonic lattices with rectangular, rhombic, and hexagonal arrays of peaks and holes are obtained. The structures have periodicities of the order 1.1μm and depth of about 50 nm.
    Źródło:
    Acta Physica Polonica A; 2007, 112, 5; 1079-1082
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of Fourier-Padé Approximation in Analysis οf Holographic Photonic Crystal Structures
    Autorzy:
    Sevic, D.
    Savic-Sevic, S.
    Pantelic, D.
    Jelenkovic, B.
    Marinkovic, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/1795631.pdf
    Data publikacji:
    2009-10
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.40.Eq
    42.70.Qs
    02.30.Nw
    Opis:
    In this paper a method based on the Fourier transform and Padé approximants is investigated for analysis of holographic photonic crystal structures fabricated in Laboratory for Photonics, Institute of Physics, Belgrade. Padé approximants are numerical tool that can be used to accelerate the convergence of a slowly converging sequence.
    Źródło:
    Acta Physica Polonica A; 2009, 116, 4; 647-648
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Measurement of Beet Root Extract Fluorescence Using TR-LIF Technique
    Autorzy:
    Rabasovic, M.
    Sevic, D.
    Terzic, M.
    Savic-Sevic, S.
    Muric, B.
    Pantelic, D.
    Marinkovic, B.
    Powiązania:
    https://bibliotekanauki.pl/articles/1791241.pdf
    Data publikacji:
    2009-10
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.62.Be
    32.50.+d
    33.50.Dq
    Opis:
    Laser induced fluorescence is a powerful spectroscopic technique commonly used to study the structure and internal state distributions in molecules of biological interest. Betanin $(C_{24}H_{26}N_{2}O_{13})$ is a specific violet betacyanin and the most prominent pigment in the red beet root where it contributes to 75-95% of the total visible color. Our method of excitation of the beet root extract is based on the tunable (320 nm to 475 nm) Nd:YAG laser system. Fluorescence images of beet root extract excited at 320, 340, 360 and 400 nm were obtained. The fluorescence is observed in range from 580 nm to 660 nm. The influence of the solution concentrations on the fluorescence intensity is also analyzed.
    Źródło:
    Acta Physica Polonica A; 2009, 116, 4; 570-572
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Holographic Measurement of Dental Tissue Contraction and Stress, due to Postpolymerization Reaction
    Autorzy:
    Pantelić, D.
    Blažić, L.
    Savić-Šević, S.
    Murić, B.
    Vasiljević, D.
    Panić, B.
    Belić, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/2047904.pdf
    Data publikacji:
    2007-11
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    42.40.Kw
    87.85.G-
    87.15.rp
    87.10.Kn
    Opis:
    Polymerization contraction of dental photo-polymer composites induces internal stress, in a tooth cavity. This stress is measured indirectly by, first, holographic determination of tooth deformation, with consequent calculation of stress using finite element method. Real time holographic technique enabled observation of dental deformation in all stages of polymerization. Specially constructed blue-LED light source was used to polymerize photopolymer composite. We have found that polymerization continues even after illumination is over. Consequently, stress is increased, too.
    Źródło:
    Acta Physica Polonica A; 2007, 112, 5; 1157-1160
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    First steps towards national radon action plan in Serbia
    Autorzy:
    Udovičić, V.
    Maletić, D.
    Eremić Savković, M.
    Pantelić, G.
    Ujić, P.
    Čeliković, I.
    Forkapić, S.
    Nikezić, D.
    Marković, V. M.
    Arsić, V.
    Ilić, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/148086.pdf
    Data publikacji:
    2016
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    radon
    action plan
    survey
    Opis:
    Radon problem has a special attention in many countries in the world and the most of them have established national radon programmes. The radon issues in Serbia have not been approached in a systematic and organized way. Currently, there are many research groups and institutions working in radon fi eld, and it is a good basis to integrate all these activities into a comprehensive national programme to defi ne the strategic objectives and action plan for the next few years. Also, Serbia as a candidate for membership in the EU is obliged to harmonize its legislation, including the fi eld of radiation protection in which the radon issues has an important role. In this report, a brief history of radon research, present status and plans for the future activity on radon issues in Serbia are presented. Regarding the long-term plans, the establishment and implementation of the Radon Action Plan with the primary goal of raising awareness about the harmful effects of public exposure to radon and implementing a set of measures for its reduction. In that sense, the synergy between the national, regional and local organizations responsible for public health and radiation protection must be achieved.
    Źródło:
    Nukleonika; 2016, 61, 3; 361-365
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Radon and thoron exhalation rate measurements from building materials used in Serbia
    Autorzy:
    Čeliković, Igor T.
    Pantelić, Gordana K.
    Živanović, Miloš Z.
    Vukanac, Ivana S.
    Krneta Nikolić, Jelena D.
    Kandić, Aleksandar B.
    Lončar, Boris B.
    Powiązania:
    https://bibliotekanauki.pl/articles/148848.pdf
    Data publikacji:
    2020
    Wydawca:
    Instytut Chemii i Techniki Jądrowej
    Tematy:
    air exchange rate
    building materials
    radon exhalation rate
    Opis:
    The second most important source of indoor radon, after soil beneath dwelling, is building material. With the increase in environmental awareness and new energy-saving policies, residents tend to replace the existing windows with tighter windows, which leads to a decrease in air exchange rate and consequently an increase in indoor radon concentration. In case of low exchange rates, dose caused by inhalation of radon and its progeny can exceed external dose originating from the radium content in the surrounding building material. In this paper, surface exhalation rates of radon (222Rn) and thoron (220Rn) from typical building materials used for construction and interior decoration of houses in Serbia were investigated. Surface exhalation rate measurements were performed using the closed-chamber method, while concentrations of radon and thoron in the chamber were continuously measured using an active device, RTM1688-2, produced by SARAD® GmbH. Finally, the impact of the replacement of windows on the indoor radon concentration was estimated.
    Źródło:
    Nukleonika; 2020, 65, 2; 111-114
    0029-5922
    1508-5791
    Pojawia się w:
    Nukleonika
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-10 z 10

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