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- Title
Properties of an optical event timer for satellite laser ranging.
- Authors
Kodet, Jan; Eckl, Johann J.; Schreiber, K. Ulrich
- Abstract
The resolution and above all the stability of the geodetic reference frames is crucially important when global change, such as the sea level rise is observed. In this context systematic errors are still presenting a significant challenge to the measurement techniques of space geodesy. In order to overcome this unfortunate situation for the satellite laser ranging technique, we have utilized the injection of a mode-locked laser to provide a stable low-noise link between the optical domain, where the measurements are carried out, and the microwave regime in which the station clock is defined. We obtained a considerably enhanced measurement delay stability by 10–20 ps over several days, albeit with some experimental challenges. The implementation of waveform scans required us to revisit the issue of target structure and intensity variation in satellite laser ranging.
- Publication
Journal of Geodesy, 2024, Vol 98, Issue 8, p1
- ISSN
0949-7714
- Publication type
Article
- DOI
10.1007/s00190-024-01876-9