Some theoretical results for surface wave launchers
- 1 December 1959
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Antennas and Propagation
- Vol. 7 (5) , 169-174
- https://doi.org/10.1109/TAP.1959.1144746
Abstract
The design of surface wave launchers is examined and it is shown that the efficiency of a launcher of finite size can approach arbitrarily near to 100 per cent. For a given size of launcher, there is however a limit to the efficiency above which an increase is obtained only at the expense of frequency bandwidth. Launchers with efficiencies above this limit are classed as "super-efficient" by analogy with "super-gain" aerials. A general solution for an end-fire launcher is also given.Keywords
This publication has 5 references indexed in Scilit:
- Annular-slot launchers for single-conductor transmission linesProceedings of the IEE - Part B: Electronic and Communication Engineering, 1959
- Scattering of a surface wave by a discontinuity in reactanceIEEE Transactions on Antennas and Propagation, 1959
- On the gain and beamwidth of directional antennasIEEE Transactions on Antennas and Propagation, 1958
- The excitation of plane surface wavesProceedings of the IEE - Part IV: Institution Monographs, 1954
- The theoretical precision with which an arbitrary radiation-pattern may be obtained from a source of finite sizeJournal of the Institution of Electrical Engineers - Part I: General, 1948