@Article{Brown_etal2006, author="Brown, E. R. and Lee, A. W. M. and Navi, B. S. and Bjarnason, J. E.", title="Characterization of a planar self-complementary square-spiral antenna in the THz region", journal="Microwave and Optical Technology Letters", year="2006", volume="48", number="3", pages="524--529", optkeywords="optical antennas; square spiral antenna; self complementary THz; photomixing; lens; method of moments; geometric optics; physical optics", abstract="This paper describes a compact, self-complementary square-spiral antenna on a GaAs substrate with a broadside high-directivity ({\textasciitilde}9 dB) frequency-independent pattern when coupled through a silicon hyperhemisphere. The driving-point resistance undulates between {\textasciitilde}00 and 300$\Omega$ from 200 GHz to 1 THz{\^a}{\texteuro}{\textquoteright}{\textquoteright}much higher than the 72$\Omega$ value from Booker{\textquoteright}s modified formula, but quite beneficial for coupling to high-impedance broadband devices", optnote="exported from refbase (https://db.rplab.ru/refbase/show.php?record=736), last updated on Thu, 01 Mar 2012 14:03:51 -0600" }