The stability and tunability of a CARM amplifier

Theoretical analysis and computer simulations have been carried out to examine the stability and tunability of a cyclotron auto resonance maser (CARM) amplifier. It is shown that frequency tunability over one octave can be achieved by magnetic field tuning within the stability range. Tunability can...

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Bibliographic Details
Published inIEEE transactions on electron devices Vol. 34; no. 12; pp. 2621 - 2624
Main Authors Lin, A.T., Chu, K.R., Bromborsky, A.
Format Journal Article
LanguageEnglish
Published IEEE 01.12.1987
Subjects
Cutoff frequency
Electromagnetic waveguides
Gain
Gyrotrons
Magnetic fields
Oscillators
Stability analysis
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Summary:Theoretical analysis and computer simulations have been carried out to examine the stability and tunability of a cyclotron auto resonance maser (CARM) amplifier. It is shown that frequency tunability over one octave can be achieved by magnetic field tuning within the stability range. Tunability can be further enhanced if the waveguide wall is made lossy to increase the threshold of the absolute instability. However, beam momentum spread is found to have a strong deteriorating effect on the tunability and gain.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0018-9383
1557-9646
DOI:10.1109/T-ED.1987.23363