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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Guha, D. Banerjee, A. Kumar, C. Antar, Y.M.M. |
| Copyright Year | 2002 |
| Abstract | Higher-order HEM12δ mode has been experimentally realized in a cylindrical dielectric resonator antenna (CDRA) very recently revealing broadside radiation like the dominant HEM11δ mode. The primary challenge is the excitation of the mode in a practical DRA sitting on a metal ground plane, which was first resolved by introducing a floating feed as an equivalent current ribbon. In this letter, yet another technique has been explored using a conventional probe-fed CDRA placed on a metal plate. Only a new trough-shaped air cavity has been introduced in the ground plane just beneath the DRA to simulate a special boundary condition, which enunciates desired modal fields. Such a technique may be improvised for other potential applications. The proposed concept has been verified using both simulated and experimental results. |
| Sponsorship | IEEE Antennas and Propagation Society |
| Starting Page | 15 |
| Ending Page | 18 |
| Page Count | 4 |
| File Size | 760383 |
| File Format | |
| ISSN | 15361225 |
| Volume Number | 13 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-01-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Cavity resonators Dielectrics Dielectric resonator antennas Resonant frequency Feeds Gain radiation modes Defected ground structure dielectric resonator antenna feed mechanism |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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