Abstract
The electron cyclotron resonance (ECR) plasma x-ray source has a potential application for medical imaging. The plasma and x-ray characterization studies on the ECR x-ray source based on cylindrical cavity operated in TE111 mode were reported earlier by us. In order to enhance the x-ray flux and the effective energy of the x-ray spectrum, the use of rectangular cavity in ECR x-ray source is studied. In this article, the theoretical analysis of electron acceleration in TE101 rectangular cavity used as a cyclotron resonance accelerator is presented. The electron orbital values of rectangular cavity are compared with that of cylindrical cavity (TE111 mode). It is found that there is an increase in final energy of electron (170 keV), reduction in electron transit time, and increase in distance between the successive orbits in the rectangular cavity than the cylindrical cavity. An ECR x-ray source based on rectangular cavity has been designed and constructed and the experimental system is described.
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