ground plane, becomes a planar rectangular monopole antenna when the bottom ground plane is removed. A parametric study of the rectangular monopole antenna has been carried out to optimize the bandwidth. We obtained a mea-Ε½ . sured broad bandwidth from 1.220 to 3.550 GHz 1:2.9 . The radiation patter
Resonances in the Bragg regimes of axially excited, chiral sculptured thin films
β Scribed by Akhlesh Lakhtakia; Ian J. Hodgkinson
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 150 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0895-2477
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β¦ Synopsis
Abstract
The Bragg wavelength regime of an axially excited, chiral sculptured thin film is shown to contain resonances of electric, magnetic, and mixed types. The resonance wavelengths initially change rapidly, but later stabilize, with respect to the film thickness. The center wavelength of the Bragg regime is unlikely to be resonant.βΒ© 2002 John Wiley & Sons, Inc. Microwave Opt Technol Lett 32: 43β46, 2002.
π SIMILAR VOLUMES
The absorption of normally incident light by axially excited ( ) slabs of dielectric thin-film helicoidal bianisotropic media TFHBMs is shown to be polarization dependent, and the circular Bragg phenomenon turns out to saturate as the slab thickness increases beyond a certain Β¨alue. A specific featu