Stability and tunability of the gyrotron backward-wave oscillator

Stability and tunability of the gyrotron backward-wave oscillator

To fulfill the broadband tunability of the gyrotron backward-wave oscillator (gyro-BWO), stability issues are studied and displayed in the form of stability maps. These maps serve as a guide for the identification and optimization of stable windows for broadband tuning. A Ka-band gyro-BWO experiment...

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Veröffentlicht in:Applied physics letters 2007-05, Vol.90 (19), p.191501-191501-3
Hauptverfasser: Chang, T. H., Fan, C. T., Pao, K. F., Chu, K. R., Chen, S. H.
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container_issue 19
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container_title Applied physics letters
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creator Chang, T. H.
Fan, C. T.
Pao, K. F.
Chu, K. R.
Chen, S. H.
description To fulfill the broadband tunability of the gyrotron backward-wave oscillator (gyro-BWO), stability issues are studied and displayed in the form of stability maps. These maps serve as a guide for the identification and optimization of stable windows for broadband tuning. A Ka-band gyro-BWO experiment was conducted accordingly. In the case of a short interaction length, stable and smooth tunability of 1.3 GHz was demonstrated with a peak interaction efficiency of 29.8%. In the longer length case, piecewise-stable tuning curves were obtained, as predicted in theory.
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title Stability and tunability of the gyrotron backward-wave oscillator
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