Tunable CW-THz system with a log-periodic photoconductive emitter

A tunable CW-THz system with a LTG-GaAs based THz source, which consists of an interdigitated finger photomixer integrated log-periodic antenna, is presented. The performance is compared against that of several other broadband CW-THz systems with LTG-GaAs based emitters, incorporating bow-tie and lo...

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Bibliographic Details
Published in:Solid-state electronics 2004-10, Vol.48 (10), p.2041-2045
Main Authors: Mendis, Rajind, Sydlo, Cezary, Sigmund, Jochen, Feiginov, Michael, Meissner, Peter, Hartnagel, Hans L.
Format: Article
Language:English
Subjects:
Log-periodic antenna
LTG-GaAs
Photomixer
THz
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Summary:A tunable CW-THz system with a LTG-GaAs based THz source, which consists of an interdigitated finger photomixer integrated log-periodic antenna, is presented. The performance is compared against that of several other broadband CW-THz systems with LTG-GaAs based emitters, incorporating bow-tie and log-spiral antenna geometries. This comparison shows that our maximum output THz power level is within an order of magnitude of that of the state-of-the-art.
ISSN:0038-1101
1879-2405
DOI:10.1016/j.sse.2004.05.055