Tucker, Robin W. and Burton, David A. and Noble, Adam (2005) Geometry, Sagnac ring lasers and twisted EM modes. General Relativity and Gravitation, 37 (9). pp. 1555-1574. ISSN 0001-7701
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Official URL: https://doi.org/10.1007/s10714-005-0136-6
Abstract
A new geometric approximation scheme, designed to solve the covariant Maxwell equations inside a rotating hollow slender conducting cavity (modelling a ring-laser) on a background spacetime, is constructed. It is shown that for well-defined conditions the electromagnetic spectrum splits into TE- and TM-type modes. A twisted mode spectrum is found to depend on the integrated Frenet torsion of the cavity and this in turn may affect the Sagnac beat frequency induced by a non-zero rotation of the cavity.
Item Type:
Journal Article
Journal or Publication Title:
General Relativity and Gravitation
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3101
Subjects:
?? FRENET TORSION - CAVITY - SAGNAC BEAT FREQUENCYPHYSICS AND ASTRONOMY (MISCELLANEOUS) ??
Departments:
ID Code:
9663
Deposited By:
Deposited On:
18 Jun 2008 13:27
Refereed?:
Yes
Published?:
Published
Last Modified:
20 Sep 2023 00:11