Author： Yang X. Borie E. Dammertz G. Heidinger R. Koppenburg K. Leuterer F. Piosczyk B. Wagner D. Thumm M.
Publisher： Springer Publishing Company
ISSN： 0195-9271
Source： International Journal of Infrared and Millimeter Waves, Vol.24, Iss.11, 2003-11, pp. : 1805-1813
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Abstract
This work reports about the influence of some window parameters, such as the mechanical tolerance of disk thickness, the variation of distance between two disks, and the frequency drift during gyrotron operation on the transmission characteristics of millimeter waves. Detailed calculations of the transmission characteristics for a single-disk gyrotron window and frequency tunable double-disk plasma fusion torus windows have been performed. The geometry of the window units has been optimized in order to obtain a suitable transmission characteristic, i.e. power reflection less than −20 dB within a frequency bandwidth of about 1 GHz around the chosen frequencies.
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