Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007sf2a.conf..130s&link_type=abstract
SF2A-2007: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics held in Grenoble, France, July
Astronomy and Astrophysics
Astrophysics
Scientific paper
The idea of transfering time using optical devices has been implemented by OCA^1 and CNES^2 through the T2L2 (Time Transfer by Laser Link) space instrument. Its goal is to permit the synchronization of remote ultra stable clocks and the determination of their performances over intercontinental distances. The principle is derived from laser telemetry technology with dedicated space equipment embarked on the satellite Jason 2. The instrument has recently been integrated on the satellite scheduled to launch in June of 2008. The T2L2 scheme will allow an improvement of one to two orders of magnitude as compared to the performances of existing time transfer systems.
Guillemot Ph.
Samain Etienne
Vrancken Patrick
Weick J.
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