Plasma and Fusion Research
Online ISSN : 1880-6821
ISSN-L : 1880-6821
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Microwave Reflection from the Region of Electron Cyclotron Resonance Heating in the L-2M Stellarator
German M. BATANOVValentin D. BORZOSEKOVNikolay K. KHARCHEVLeonid V. KOLIKEugeny M. KONCHEKOVDmitriy V. MALAKHOVAlexander E. PETROVKaren A. SARKSYANAlexander S. SAKHAROVNina N. SKVORTSOVAVladimir D. STEPAKHIN
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2014 Volume 9 Pages 3402128

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Abstract

In experiments on electron cyclotron resonance (ECR) heating of plasma at the second harmonic of the electron gyrofrequency in the L-2M stellarator, the effect of partial reflection of high-power gyrotron radiation from the ECR heating region located in the center of the plasma column have been revealed. The reflection coefficient is found to be on the order of 10−3. The coefficient of reflection of an extraordinary wave from the second-harmonic ECR region is calculated in the one-dimensional full-wave model. The calculated and measured values of the reflection coefficient are found to coincide in the order of magnitude.

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© 2014 by The Japan Society of Plasma Science and Nuclear Fusion Research
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