Národní úložiště šedé literatury Nalezeno 2 záznamů.  Hledání trvalo 0.00 vteřin. 
Plasmonic antennas for high wavelengths
Beneš, Adam ; Chvátal, Lukáš (oponent) ; Křápek, Vlastimil (vedoucí práce)
This master's thesis deals with properties of plasmonic antennas for high wavelengths. Resonant properties of individual antennas as well as periodical arrays of the antennas are described. The work utilizes numerical simulations of magnetic field enhancement produced in the near field of antennas. This enhancement might increase a signal of high-frequency electron paramagnetic resonance (HFEPR). The average enhancement is quantified using antennas of various shapes. The author optimizes the shape of frequently used plasmonic antennas but designs new one as well. A significant part of the thesis also tries to distinguish phenomena that contribute to overall magnetic field enhancement while using double transmission HFEPR measurement setup.
Plasmonic antennas for high wavelengths
Beneš, Adam ; Chvátal, Lukáš (oponent) ; Křápek, Vlastimil (vedoucí práce)
This master's thesis deals with properties of plasmonic antennas for high wavelengths. Resonant properties of individual antennas as well as periodical arrays of the antennas are described. The work utilizes numerical simulations of magnetic field enhancement produced in the near field of antennas. This enhancement might increase a signal of high-frequency electron paramagnetic resonance (HFEPR). The average enhancement is quantified using antennas of various shapes. The author optimizes the shape of frequently used plasmonic antennas but designs new one as well. A significant part of the thesis also tries to distinguish phenomena that contribute to overall magnetic field enhancement while using double transmission HFEPR measurement setup.

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