Cyclotron-resonance-maser arrays

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Abstract

The cyclotron-resonance-maser (CRM) array is a radiation source which consists of CRM elements coupled together under a common magnetic field. Each CRM-element employs a low-energy electron-beam which performs a cyclotron interaction with the local electromagnetic wave. These waves can be coupled together among the CRM elements hence the interaction is coherently synchronized in the entire array. The implementation of the CRM-array approach may alleviate several technological difficulties which impede the development of singlebeam gyro-devices. Furthermore it proposes new features such as the phased-array antenna incorporated in the CRM-array itself. The CRM-array studies may lead to the development of compact high-power radiation sources operating at low voltages. This paper introduces new conceptual schemes of CRM-arrays and presents the progress in related theoretical and experimental studies in our laboratory. These include a multimode analysis of a CRM-array and a first operation of this device with five carbon-fiber cathodes. Index Terms-Active antennas active arrays cyclotron radiation cyclotron resonance masers microwave generation.

Original languageEnglish
Pages (from-to)445-455
Number of pages11
JournalIEEE Transactions on Plasma Science
Volume27
Issue number2
DOIs
StatePublished - 1999

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