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  Readout for intersatellite laser interferometry: Measuring low frequency phase fluctuations of HF signals with microradian precision

Gerberding, O., Diekmann, C., Kullmann, J., Tröbs, M., Bykov, I., Barke, S., et al. (2015). Readout for intersatellite laser interferometry: Measuring low frequency phase fluctuations of HF signals with microradian precision. Review of Scientific Instruments, 86: 074501. doi:10.1063/1.4927071.

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 Urheber:
Gerberding, Oliver1, Autor           
Diekmann, Christian1, Autor           
Kullmann, Joachim1, Autor           
Tröbs, Michael1, Autor           
Bykov, Iouri1, Autor           
Barke, Simon1, Autor           
Brause, Nils Christopher, Autor
Delgado, Juan Jose Esteban1, Autor           
Schwarze, Thomas S., Autor
Reiche, Jens1, Autor           
Danzmann, Karsten1, Autor           
Rasmussen, Torben, Autor
Hansen, Torben Vendt, Autor
Engaard, Anders, Autor
Pedersen, Søren Møller, Autor
Jennrich, Oliver, Autor
Suess, Martin, Autor
Sodnik, Zoran, Autor
Heinzel, Gerhard1, Autor           
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              

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Schlagwörter: Physics, Instrumentation and Detectors, physics.ins-det
 Zusammenfassung: Precision phase readout of optical beat note signals is one of the core techniques required for intersatellite laser interferometry. Future space based gravitational wave detectors like eLISA require such a readout over a wide range of MHz frequencies, due to orbit induced Doppler shifts, with a precision in the order of $\mu \textrm{rad}/\sqrt{\textrm{Hz}}$ at frequencies between $0.1\,\textrm{mHz}$ and $1\,\textrm{Hz}$. In this paper, we present phase readout systems, so-called phasemeters, that are able to achieve such precisions and we discuss various means that have been employed to reduce noise in the analogue circuit domain and during digitisation. We also discuss the influence of some non-linear noise sources in the analogue domain of such phasemeters. And finally, we present the performance that was achieved during testing of the elegant breadboard model of the LISA phasemeter, that was developed in the scope of an ESA technology development activity.

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 Datum: 2015-04-302015
 Publikationsstatus: Erschienen
 Seiten: submitted to Review of Scientific Instruments on April 30th 2015
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 Identifikatoren: arXiv: 1504.08266
DOI: 10.1063/1.4927071
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Titel: Review of Scientific Instruments
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Melville, NY : AIP Publishing
Seiten: - Band / Heft: 86 Artikelnummer: 074501 Start- / Endseite: - Identifikator: ISSN: 0034-6748
CoNE: https://pure.mpg.de/cone/journals/resource/991042742033452