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Progress In Electromagnetics Research
ISSN: 1070-4698, E-ISSN: 1559-8985
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ULTRAWIDEBAND ANTENNA EXCITED BY A PHOTOMIXER FOR TERAHERTZ BAND

By B. Andres-Garcia, L. E. Garcia-Munoz, D. Segovia-Vargas, I. Camara-Mayorga, and R. Gusten

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Abstract:
An end-fire linear tapered slot antenna is presented in the terahertz band. The operation frequency goes from 0.6 THz to 2 THz, with symmetric radiation patterns from 1 THz to 1.7 THz, and gains up to 15 dB. The gaussicity of the beam is over 80% in the whole operation band and an efficiency at 1THz of 85%. This antenna gives enough directivity avoiding the use of a typical substrate lens, which introduce 30% of losses. This new design is a good candidate for new applications in the THz range in Radioastronomy and Imaging.

Citation:
B. Andres-Garcia, L. E. Garcia-Munoz, D. Segovia-Vargas, I. Camara-Mayorga, and R. Gusten, "Ultrawideband Antenna Excited by a Photomixer for Terahertz Band," Progress In Electromagnetics Research, Vol. 114, 1-15, 2011.
doi:10.2528/PIER11012513
http://www.jpier.org/PIER/pier.php?paper=11012513

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