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Numerical simulation of a Gyro-BWO with a helically corrugated interaction region, cusp electron gun and depressed collector

He, Wenlong and Donaldson, Craig and Zhang, Liang and Ronald, Kevin and Phelps, Alan and Cross, Adrian (2011) Numerical simulation of a Gyro-BWO with a helically corrugated interaction region, cusp electron gun and depressed collector. In: Numerical Simulations of Physical and Engineering Processes. InTech, pp. 101-132. ISBN 978-953-307-620-1

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Abstract

The gyrotron backward wave oscillator (gyro-BWO) is an efficient source of frequency-tunable high-power coherent radiation in the microwave to the terahertz range. It has attracted significant research interest recently due to its potential applications in many areas such as remote sensing, medical imaging, plasma heating and spectroscopy. A gyro-BWO using a helically corrugated interaction region (HCIR) has achieved an even wider frequency tuning range and higher efficiency compared with a conventional gyro-BWO with a smooth-bore cavity. This is due to the existence of an “ideal”eigenwave in the HCIR with a large and constant group velocity when the axial wave number is small.

Item type: Book Section
ID code: 39968
Keywords: numerical simulation, helically corrugated interaction region , cusp electron gun , depressed collector, Plasma physics. Ionized gases
Subjects: Science > Physics > Plasma physics. Ionized gases
Department: Faculty of Science > Physics
Related URLs:
Depositing user: Pure Administrator
Date Deposited: 08 Jun 2012 14:28
Last modified: 08 Jun 2012 14:28
URI: http://strathprints.strath.ac.uk/id/eprint/39968

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