Title :
Electromagnetic field of an infinite helical sheath
Author_Institution :
Instituto di Fisica Teorica, Firenze, Italy
Abstract :
The relevant fields of an infinite helical sheath, produced by a current distribution on the helical surface, are obtained for the case in which the internal medium is different from the external one.
Keywords :
antenna theory; current distribution; electromagnetic fields; electromagnetic waves;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19690054
