Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/101217
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Type: Conference paper
Title: Rotating Michelson-Morley experiment based on a dual cavity cryogenic sapphire oscillator
Author: Stanwix, P.L.
Tobar, M.E.
Winterflood, J.
Ivanov, E.N.
Susli, M.
Hartnett, J.G.
Van Kann, F.
Wolf, P.
Citation: Proceedings of the 2004 IEEE International Frequency Control Symposium and Exposition, 2005 / pp.757-761
Publisher: IEEE
Publisher Place: Piscataway, N.J.
Issue Date: 2005
ISBN: 0780384148
9780780384149
ISSN: 1075-6787
Conference Name: IEEE International Frequency Control Symposium and Exposition, 2004 (23 Aug 2004 - 27 Aug 2004 : Montréal, Québec)
Statement of
Responsibility: 
P.L. Stanwix, M.E. Tobar, M. Susli, C.R. Locke, E.N. Ivanov, J. Winterflood, J.G. Hartnett, F. van Kann, P. Wolf
Abstract: Recent experiments based on cryogenic microwave oscillators [1,2,3] have tested the isotropy of the speed of light (Michelson-Morley experiment) at sensitivities of the order of a part in 1015, which is a similar sensitivity to other best tests [4,5]. Further improvements of the accuracy in this type of experiment are not expected due to the already long data set and the systematic error limit [3]. We have constructed a new rotating Michelson-Morley experiment consisting of two cylindrical cryogenic sapphire resonators. The temperature of the dual cavity is controlled at approximately 6 K where the beat frequency between two oscillators is independent on temperature. By rotating the experiment an improvement of several orders of magnitude in our sensitivity to light speed anisotropy is expected, as the relevant time variations will now be at the rotation frequency where the frequency stability of the cryogenic oscillators is the best.
Keywords: Michelson-Morley; Crypgenic Sapphire Oscillator; Dual Cavity
Rights: © 2004 IEEE.
RMID: 0030010625
DOI: 10.1109/FREQ.2004.1418561
Appears in Collections:IPAS publications

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