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Electromagnetic field of a vertical electric dipole on the spherical conductor covered with a dielectric layer
Author(s) -
Pan WeiYan,
Zhang HongQi
Publication year - 2003
Publication title -
radio science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.371
H-Index - 84
eISSN - 1944-799X
pISSN - 0048-6604
DOI - 10.1029/2002rs002689
Subject(s) - dielectric , electric field , dipole , conductor , materials science , permittivity , condensed matter physics , perfect conductor , polarization density , optics , electromagnetic field , excited state , electric dipole transition , layer (electronics) , electric susceptibility , physics , magnetic dipole , optoelectronics , atomic physics , magnetic field , composite material , quantum mechanics , scattering , magnetization
The expressions of the electromagnetic field induced by a vertical electric dipole on the spherical conductor covered with a dielectric layer have been obtained. The calculation shows that the trapped surface wave may be efficiently excited by a vertical electric dipole on the surface of the dielectric layer when the thickness of the dielectric layer is larger than a certain value which depends on the operating frequency and the dielectric permittivity. This conclusion coincides with that of the field excited by a vertical electric dipole on the planar conductor covered with a dielectric layer.
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