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  Intersatellite laser ranging instrument for the GRACE follow-on mission

Sheard, B., Heinzel, G., Danzmann, K., Shaddock, D. A., Klipstein, W. M., & Folkner, W. M. (2012). Intersatellite laser ranging instrument for the GRACE follow-on mission. Journal of Geodesy, 86(12), 1083-1095. doi:10.1007/s00190-012-0566-3.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-E98C-E Version Permalink: http://hdl.handle.net/21.11116/0000-0000-3FF8-3
Genre: Journal Article

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 Creators:
Sheard, Benjamin1, Author              
Heinzel, Gerhard1, Author              
Danzmann, Karsten1, Author              
Shaddock, D. A., Author
Klipstein, W. M., Author
Folkner, W. M., Author
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1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              

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 Abstract: The Gravity Recovery and Climate Experiment (GRACE) has demonstrated that low–low satellite-to-satellite tracking enables monitoring the time variations of the Earth’s gravity field on a global scale, in particular those caused by mass-transport within the hydrosphere. Due to the importance of long-term continued monitoring of the variations of the Earth’s gravitational field and the limited lifetime of GRACE, a follow-on mission is currently planned to be launched in 2017. In order to minimise risk and the time to launch, the follow-on mission will be basically a rebuild of GRACE with microwave ranging as the primary instrument for measuring changes of the intersatellite distance. Laser interferometry has been proposed as a method to achieve improved ranging precision for future GRACE-like missions and is therefore foreseen to be included as demonstrator experiment in the follow-on mission now under development. This paper presents the top-level architecture of an interferometric laser ranging system designed to demonstrate the technology which can also operate in parallel with the microwave ranging system of the GRACE follow-on mission.

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 Dates: 20122012
 Publication Status: Published in print
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 Identifiers: DOI: 10.1007/s00190-012-0566-3
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Title: Journal of Geodesy
Source Genre: Journal
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Pages: - Volume / Issue: 86 (12) Sequence Number: - Start / End Page: 1083 - 1095 Identifier: -