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Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detector

Year: 2009  |  Volume: 600  |  Issue: 3  |  Page No.: 534 - 537

A novel method for variable coupling using iris rotation in RF couplers

Rajesh Kumar

Abstract

Waveguide to cavity coupled systems frequently need coupling coefficient adjustments after fabrication. The change in coupling is achieved either by changing the dimensions of iris mechanically or introducing a matching post. We propose a novel coupling coefficient tuning method based upon iris rotation. The coupling can be varied over a wide range without changes in the dimensions of the iris or an extra matching post.

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