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High-performance antennas at lightwave frequency require optimal curved surfaces and high mechanical precision in order to realize high aperture efficiencies. We have developed a novel micro lightwave antenna by employing the micro electromechanical system processing technology. We describe a transparent antenna that has a multilevel step structure with a diameter of 4 millimeters. The ideal curve of the antenna surface is discretized by steps of constant height. The characteristics of the fabricated antenna have been measured; its gain is 84.1 dBi, which is 0.83 dB less than that of a reference antenna with a uniform field distribution. The aperture efficiency is 82.6%. The power radiation pattern is measured through the Fourier transform lens method and is in good agreement with the simulation result.
Published in:
Antennas and Propagation, IEEE Transactions on
(Volume:55
,
Issue:
11
)
Date of Publication: Nov. 2007
- Page(s):
- 3046 - 3051
- ISSN :
- 0018-926X
- INSPEC Accession Number:
- 9671608
- Digital Object Identifier :
- 10.1109/TAP.2007.908578
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 12 November 2007
- Issue Date :
- Nov. 2007
- Sponsored by :
- IEEE Antennas and Propagation Society
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