Ferrimagnetic nonlinear transmission lines as high-power microwave sources

J. W.Braxton Bragg, James C. Dickens, Andreas A. Neuber

Research output: Contribution to journalArticlepeer-review

49 Scopus citations


Ferrimagnetic nonlinear transmission lines (NLTLs) have the potential to fill a high-power microwave niche where compact cost-effective sources are lacking. NLTLs utilize nonlinear ferrimagnetic properties and magnetization dynamics to provide ultrafast pulse rise times (100 ps or less) and microwave signals with peak power ranging from kilowatts to hundreds of megawatts. The frequency of operation has been shown to range from 900 MHz up to 5 GHz depending on geometry and external magnetic fields. NLTLs, theoretically, can be pulsed to tens of kilohertz with little to no variance in microwave signal between shots. This paper covers recent advances in ferrimagnetic-based NLTLs, specifically effects of applied and bias magnetic fields on peak power and frequency, as well as temperature dependence.

Original languageEnglish
Article number6359866
Pages (from-to)232-237
Number of pages6
JournalIEEE Transactions on Plasma Science
Issue number1
StatePublished - 2013


  • Ferrimagnetic material
  • gyromagnetic precession
  • nonlinear transmission line (NLTL)


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