Optical Clocks in Space
- Schiller, S.
- Görlitz, A.
- Nevsky, A.
- Koelemeij, J. C J
- Wicht, A.
- Gill, K.P.
- Klein, H. A.
- Margolis, H. S.
- Mileti, G.
- Sterr, U.
- Riehle, F.
- Peik, E.
- Tamm, Chr
- Ertmer, W.
- Rasel, E.
- van der Klein, M
- Salomon, C.
- Tino, G. M.
- Lemonde, P.
- Holzwarth, R.
- Hänsch, T. W.
DOIAbstract
The performance of optical clocks has strongly progressed in recent years, and accuracies and instabilities of 1 part in 1018 are expected in the near future. The operation of optical clocks in space provides new scientific and technological opportunities. In particular, an earth-orbiting satellite containing an ensemble of optical clocks would allow a precision measurement of the gravitational redshift, navigation with improved precision, mapping of the earth's gravitational potential by relativistic geodesy, and comparisons between ground clocks
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