Dimensional measurement by microwave resonances

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, , Citation J C Gallop and W J Radcliffe 1981 J. Phys. E: Sci. Instrum. 14 461 DOI 10.1088/0022-3735/14/4/017

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1 NPL, Teddington, UK

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0022-3735/14/4/461

Abstract

A method is demonstrated for measuring small departures from true cylindricity of a tube by using it as a microwave cavity and then applying a perturbation method to the observed resonant frequencies. The technique is also applicable to other geometries.

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