Frequency and polarization transformer: Transverse modes: I zero rise time

Dikshitulu K. Kalluri*, Ahmad F. Khalifeh, Sebahattin Eker

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


A frequency transformer that converts a linearly polarized standing wave into frequency-shifted extraordinary (X) standing waves is considered. The transformer is a one-dimensional cavity in which a magnetoplasma, that supports "transverse modes," is created. Theoretical derivation for the case of sudden and uniform creation of the magnetoplasma is given. It is shown that the switching would result in transformation of the original source wave into three new waves, each having unique frequency, amplitude, and phase. One of these modes is a dc component of zero frequency called the wiggler mode having a wiggler electric as well as a wiggler magnetic component. The wiggler electric field is the unique aspect of the switching problem studied in this paper. A few illustrative results are presented as graphs and tables to illustrate the effects of source and system parameters. They include a case of conversion from linear to circular polarization.

Original languageEnglish
Pages (from-to)1789-1796
Number of pages8
JournalIEEE Transactions on Antennas and Propagation
Issue number6 II
Publication statusPublished - Jun 2007
Externally publishedYes


  • Cavity
  • Circular polarization
  • Frequency change
  • Magnetoplasma
  • Wiggler field


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