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Proceedings Paper

Electrical analysis of wideband and distributed windows using time-dependent field codes
Author(s): C. C. Shang
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Paper Abstract

Windows, which provide the barrier to maintain the vacuum envelope in a microwave tube, are criticalcomponents in high-average-power microwave sources, especially at millimeter wavelengths. As RF powerlevels approach the 100's of kWs to 1 MW range (CW), the window assembly experiences severe thermal andmechanical stresses. Depending on the source, the bandwidth of the window may be less than 1 GHz forgyrotron oscillators or up to —20 GHz for the FOM Institute's fast-tunable, free-electron-maser [1]. Thebandwidth requirements give rise to a number of window configurations where the common goal is locallydistributed heat dissipation. In order to better understand the transmission and RF properties of these microwavestructures, we use detailed time-dependent field solvers.

Paper Details

Date Published: 30 August 1993
PDF: 2 pages
Proc. SPIE 2104, 18th International Conference on Infrared and Millimeter Waves, 21042J (30 August 1993); doi: 10.1117/12.2298523
Show Author Affiliations
C. C. Shang, Lawrence Livermore National Lab. (United States)


Published in SPIE Proceedings Vol. 2104:
18th International Conference on Infrared and Millimeter Waves
James R. Birch; Terence J. Parker, Editor(s)

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