Antenna design with the use of photonic band-gap materials as all-dielectric planar reflectors
✍ Scribed by Morris P. Kesler; James G. Maloney; Brian L. Shirley; Glenn S. Smith
- Publisher
- John Wiley and Sons
- Year
- 1996
- Tongue
- English
- Weight
- 524 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0895-2477
No coin nor oath required. For personal study only.
✦ Synopsis
A finite thickness slab of two-dimensional photonic band-gap (PBG)
material is analyzed to determine the plane-waue reflection and transmission coefficients as functions of the angle of incidence. It is shown that within the band-gap, where there is total reflection, the reflection is equivalent to that from a plane surface located within the PBG material
(the reflection plane concept). The two-dimensional PBG material is used as an all-dielectic reflector for an electric dipole antenna. Fidd patterns computed with the use of the rejlection plane concept are compared with measurements made on an experimental model and are
found to be in good agreement. A three-dimensional PBG material with a BCC lattice is also used as a reflector for an electric dipole antenna. Field patterns calculated for this structure using the finite-differencetime-domain (FDTD) method are also in good agreement with measurements.