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Optical Frequency References for Space Applications

Schuldt, Thilo and Oswald, Markus and Gohlke, Martin and Döringshoff, Klaus and Kovalchuk, Evgeny and Johann, U. and Peters, Achim and Braxmaier, Claus (2018) Optical Frequency References for Space Applications. In: Proceedings of the International Astronautical Congress, IAC. 69th International Astronautical Congress, Bremen, Deutschland.

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Abstract

High-performance optical frequency references are required by a multitude of future space missions. These includes missions in Earth observation, fundamental physics and navigation and ranging. They are used as frequency-stable light source for high-sensitivity laser interferometry and as part of an optical clock with high stability and accuracy. Different method for laser frequency stabilization are conceivable, where stabilization to an atomic or molecular transition yields an absolute frequency reference with high long-term stability. We present the current status of iodine-based frequency references where several compact setups for space applications have been realized in the past. Applications of these references in space-based tests of special relativity and in future GNSS are highlighted.

Item URL in elib:https://elib.dlr.de/122222/
Document Type:Conference or Workshop Item (Speech)
Title:Optical Frequency References for Space Applications
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schuldt, ThiloDLR-RY, BremenUNSPECIFIED
Oswald, MarkusZARM, Uni BremenUNSPECIFIED
Gohlke, MartinMartin.Gohlke (at) dlr.deUNSPECIFIED
Döringshoff, KlausHumboldt University Berlin, GermanyUNSPECIFIED
Kovalchuk, EvgenyHumboldt University Berlin, GermanyUNSPECIFIED
Johann, U.Airbus D&S, Friedrichshafen, GermanyUNSPECIFIED
Peters, AchimHumboldt University Berlin, GermanyUNSPECIFIED
Braxmaier, Clausclaus.braxmaier (at) dlr.deUNSPECIFIED
Date:2018
Journal or Publication Title:Proceedings of the International Astronautical Congress, IAC
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
Status:Published
Keywords:optical clock, space instrumentation, satellite navigation, tests of fundamental physics, modulation transfer spectroscopy, laser frequency stabilization
Event Title:69th International Astronautical Congress
Event Location:Bremen, Deutschland
Event Type:international Conference
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Technik für Raumfahrtsysteme
DLR - Research theme (Project):R - Systems Engineering Optische Systeme
Location: Bremen
Institutes and Institutions:Institute of Space Systems > Systems Enabling Technologies
Deposited By: Hüls, Simone
Deposited On:16 Oct 2018 09:12
Last Modified:16 Oct 2018 09:12

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