Detection system operating at up to 7 THz using quasioptics and Schottky barrier diodes

We have developed a wide-bandwidth, high-sensitivity, continual terahertz-wave sensor that utilizes a quasioptical parabolic mirror and a Schottky barrier diode and successfully applied it at up to 7 THz range. This sensor utilizes a parabolic cylindrical mirror, a long-wire antenna, and a Schottky...

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Bibliographic Details
Published in:Review of scientific instruments 2006-06, Vol.77 (6), p.066102-066102-3
Main Authors: Yasui, T., Nishimura, A., Suzuki, T., Nakayama, K., Okajima, S.
Format: Article
Language:English
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Summary:We have developed a wide-bandwidth, high-sensitivity, continual terahertz-wave sensor that utilizes a quasioptical parabolic mirror and a Schottky barrier diode and successfully applied it at up to 7 THz range. This sensor utilizes a parabolic cylindrical mirror, a long-wire antenna, and a Schottky barrier diode. The antenna, placed at the focal point of the parabolic mirror, quasioptically collects the terahertz signal. This configuration eliminates the need for frequency-dependent reception readjustments of the antenna and the mirror positions, greatly improving operability.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.2206770