Novel photonically-controlled reflectarray antenna

A novel method for generating a reconfigurable reflectarray based on the creation of photoinduced plasma inside the semiconductor substrate of a reflectarray is presented in this paper. A reflectarray antenna prototype is fabricated and measured to demonstrate the validity of the design methodology....

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2006-04, Vol.54 (4), p.1134-1141
Main Authors: Chaharmir, M.R., Shaker, J., Cuhaci, M., Sebak, A.-R.
Format: Article
Language:English
Subjects:
Antenna measurements
Antennas
Applied sciences
Bandwidth
Beam steering
Design methodology
Exact sciences and technology
Flash lamps
Gain
Gain measurement
Lamps
optical variable control
Photoconductivity
Plasma measurements
Prototypes
Radiocommunications
reflectarray
Reflector antennas
satellite antennas
semiconductor plasmas
Semiconductors
Silicon substrates
Substrates
Telecommunications
Telecommunications and information theory
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Summary:A novel method for generating a reconfigurable reflectarray based on the creation of photoinduced plasma inside the semiconductor substrate of a reflectarray is presented in this paper. A reflectarray antenna prototype is fabricated and measured to demonstrate the validity of the design methodology. Measurements were carried out to characterize the bandwidth and the gain of the antenna in both the OFF and ON states of an optical flash lamp that was used to induce photoconductivity inside the silicon substrate.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2006.872644