Electrically Small, Superdirective, and Superconducting Antennas

By R. Hansen. 2006

218 citations recorded by the source corpus.

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Assessment of Rydberg atoms for wideband electric field sensing (2019, unknown): “It does not account for non-Foster circuit elements that can allow for higher sensitivities [28].”
Electrically small supergain end‐fire arrays (2007, background): “antennas have been designed for a variety of applications [4] and, as a perusal of the issues of antenna journals indicates, the appearance of new designs and applications has continually accelerated [5], [6]. Yet, to our knowledge, none of these electrically small antennas have measured gains appre”
Physical limitations on antennas of arbitrary shape (2007, background): “Since then,much attention has been drawn to the subject andnumerous papers have been published (see Hansen (2006) and references therein). Unfortunately, almost all of these papers are restricted to the sphere via the spherical vector wave expansions, deviating only slightly from the pioneering idea”