NDLI: Comparison of terahertz antennas

Content Provider	IEEE Xplore Digital Library
Author	Di Li Yi Hunag
Copyright Year	2006
Description	Author affiliation: Liverpool Univ., Liverpool (Di Li; Yi Hunag)
Abstract	There are many problems associated with THz technique. For example, how to design efficient THz antennas that are very different from the conventional antennas. There has been very little publication on this subject. This paper is aimed at addressing this problem. Due to how THz signals are generated, there are basically two types of THz antennas: the conventional antennas and photoconductive antennas . In THz region, the skin depth of a conductor is very small, thus conductive loss could be very high. Photoconductive antenna is the one attracted more attention and it seems to performance better. Normally a photoconductive antenna has a coplanar stripline structure. It consists of a semiconductor substrate and a coplanar stripline with a dipole antenna fabricated on the substrate. Some recent researchers observed that if being added the indentations at the edge of the dipole, the antenna can get a better performance on generating the signals. In this paper, we will not only compare various THz antennas, but also explain the reasons, such as why the indentations can improve the performance of the antenna. Some simulation results will also be provided to aid our discussion.
Starting Page	1
Ending Page	5
File Size	214759
Page Count	5
File Format	PDF
ISBN	9789290929376
DOI	10.1109/EUCAP.2006.4584977
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-11-06
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	ESA
Subject Keyword	Biomedical optical imaging Dipole antennas Stripline Frequency Signal generators Microwave theory and techniques Coplanar waveguides Photoconductivity Optical waveguides Substrates
Content Type	Text
Resource Type	Article

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