Temat: 42.81.Uv - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Comparison of Methods for Calculating Coupling Length in Step-Index Optical Fibers
Autorzy:: Savović, S.
Djordjevich, A.
Drljača, B.
Kovačević, M.
Powiązania:: https://bibliotekanauki.pl/articles/1795634.pdf
Data publikacji:: 2009-10
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 42.81.-i
42.81.Qb
42.81.Uv
Opis:: A recently reported function for calculation of the coupling length at which the equilibrium mode distribution is achieved in step-index plastic optical fibers is compared to a long established calculation method and to experimental findings. The recent function, while simpler to apply as it eliminates the need to numerically solve the power flow equation repeatedly for every case, is also more accurate for high numerical aperture (0.45 to 0.5) plastic optical fibers.
Źródło:: Acta Physica Polonica A; 2009, 116, 4; 652-654
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 2.

Tytuł:: Equilibrium Mode Distribution and Steady State Distribution in Step-Index Glass Optical Fibers
Autorzy:: Savović, S.
Djordjevich, A.
Drljača, B.
Simović, A.
Powiązania:: https://bibliotekanauki.pl/articles/1795635.pdf
Data publikacji:: 2009-10
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 42.81.-i
42.81.Qb
42.81.Uv
Opis:: Using the power flow equation, we have examined mode coupling in a step-index multimode glass optical fiber. As a result, the coupling length at which the equilibrium mode distribution is achieved and the length of fiber required for achieving the steady-state mode distribution are obtained. These lengths are much longer for glass fiber than they are for plastic optical fibers. Our results are in good agreement with experimental results reported earlier.
Źródło:: Acta Physica Polonica A; 2009, 116, 4; 655-657
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 3.

Tytuł:: Calculation of the Impulse Response of Step-Index Plastic Optical Fibers Using the Time-Dependent Power Flow Equation
Autorzy:: Drljača, B.
Savović, S.
Djordjevich, A.
Powiązania:: https://bibliotekanauki.pl/articles/1795636.pdf
Data publikacji:: 2009-10
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 42.81.-i
42.81.Qb
42.81.Uv
Opis:: The analytical solution of the time-dependent power flow equation is employed to calculate impulse response in a step-index plastic optical fiber. Results are given at different fiber lengths and are shown to agree with those reported in the literature. Mode-dependent attenuation, modal dispersion and mode coupling in plastic optical fibers are known to affect fiber-optic power delivery, data transmission, and sensing systems.
Źródło:: Acta Physica Polonica A; 2009, 116, 4; 658-660
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 4.

Tytuł:: Size Modification of Nanographite System of Activated Carbon Fibers Studied by EPR
Autorzy:: Kempiński, M.
Kempiński, W.
Śliwińska-Bartkowiak, M.
Powiązania:: https://bibliotekanauki.pl/articles/2043617.pdf
Data publikacji:: 2005-08
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 42.81.Uv
73.20.-r
73.22.-f
76.30.-v
74.78.Na
Opis:: We report results of EPR measurements of activated carbon fibers. Experiments made for pristine activated carbon fibers and activated carbon fibers with adsorbed molecules (CCl$\text{}_{4}$, C$\text{}_{6}$H$\text{}_{5}$NO$\text{}_{2}$, and H$\text{}_{2}$O) confirmed the localized character of paramagnetic centers observed in the system. Pristine activated carbon fibers are characterized by single Lorentzian line. Broader component of EPR signal appears when guest molecules are adsorbed in nanopores. The strongest localization is observed for water-filled activated carbon fibers nanopores (with hydrophobic pore walls) where changes in distance between nanographite particles were monitored by the g-shift to higher values. This process is related to stronger spin-orbit interaction of electrons trapped at nanographite particles compressed by guest molecules.
Źródło:: Acta Physica Polonica A; 2005, 108, 2; 339-343
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

Artykuł

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