The Electromagnetic Field of an Insulated Antenna in a Conducting Or Dielectric Medium

Characterization of Microwave's Antennas for Intracardiac Ablation Frequencies 915 and 2450 MHz

“…To solve this problem we will use the results developed by King [12] to determine the EM field generated by a monopoly in a lossy medium. The model used is shown in Fig.1.…”

“…The method used to solve this problem is based on the calculus developed by King [12]. This method uses a mathematical approximation allowing to obtain an analytic solution for Maxwell's equations in the near field inside a lossy medium.…”

Fields and coupling between coils embedded in conductive environments

“…In the intensive theoretical and experimental works for an insulated electric dipole in conductive media by King [15][16][17][18], it is stated that: The near electric field of a bare or insulated dipole in a medium like muscle or the earth is much more involved than the far field because it is elliptically polarized. Due to the symmetry of electromagnetic fields, one might expect the magnetic field of an insulated loop current inside dissipative media to be elliptically polarized as well.…”

Capacitive-Loaded Interstitial Antennas for Perfect Matching and Desirable SAR Distributions

“…Most of the conventional interstitial antennas have a sinusoidal current distribution with null at the end points [1]- [8], [13]- [15] and there are some with no current null at the end points [9]- [11]. However, those with current null are open-circuited at the end point and matches do not appear well in [1]- [8], [13], [14].…”

“…However, those with current null are open-circuited at the end point and matches do not appear well in [1]- [8], [13], [14]. Those in [9]- [11] are so complicate for the fabrication and have disadvantage in terms of transversal size reduction.…”