Reference : Second-order Doppler-shift corrections in free-fall absolute gravimeters
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Earth sciences & physical geography
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/10993/915
Second-order Doppler-shift corrections in free-fall absolute gravimeters
English
Rothleitner, Christian mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
Francis, Olivier mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
2011
Metrologia
Institute of Physics
48
3
187-195
Yes (verified by ORBilu)
International
0026-1394
1681-7575
Bristol
United Kingdom
[en] In a free-fall absolute gravimeter usually a Michelson type interferometer is employed to track the trajectory of a freely falling retroreflector. The accelerated motion of the retroreflector produces a Doppler-shift in the laser wavelength. From the interference signal (beat signal) of the Doppler-shifted and the reference electromagnetic waves the relative motion of the freely falling retroreflector with respect to an inertial reference retroreflector is reconstructed. Considerations of second-order Doppler-shift terms lead to a correction in the acceleration due to gravity of several microgals (1 µGal = 10 nm s −2 ). This correction is commonly called speed of light correction . To date different correction formulae have been proposed, which differ by several microgals. In this paper we review several previous publications and show the reasons for the different results.
Researchers ; Professionals
http://hdl.handle.net/10993/915
also: http://hdl.handle.net/10993/973
10.1088/0026-1394/48/3/013
http://stacks.iop.org/0026-1394/48/i=3/a=013

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