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Please use this identifier to cite or link to this item: http://bura.brunel.ac.uk/handle/2438/4801

Title: Development of a 1.5-tonne niobium gravitational radiational antenna
Authors: Veitch, PJ
Blair, DG
Linthorne, NP
Mann, LD
Ramm, DK
Publication Date: 1987
Publisher: American Institute of Physics
Citation: Review of Scientific Instruments, 58(10): 1910-1916, Oct 1987
Abstract: A 1.5‐tonne Nb gravitational radiation antenna is described. Problems associated with a noncontacting magnetically levitated parametric upconverter transducer are discussed, and a system using a bonded microwave reentrant cavity and bonded mechanical impedance transformer is described and analyzed in detail. It is shown that such an antenna can be expected to achieve a noise temperature of ∼1 mK. An ultralow phase noise tunable microwave source for the transducer pump signal is described, as well as precision bonding techniques which yield a mechanical positioning accuracy of 10−6 m, and a reproducibility of 10−8 m.
Description: Copyright @ American Institute of Physics
Sponsorship: The research was supported by the Australian Research Grants Scheme and the Australian Telecommunications and Electronics Research Board.
URI: http://bura.brunel.ac.uk/handle/2438/4801
DOI: http://dx.doi.org/10.1063/1.1139488
ISSN: 0034-6748
Appears in Collections:School of Sport and Education Research Papers
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