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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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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-1564-1 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0028-1565-0
Genre: Journal Article

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1504.08266.pdf (Preprint), 7MB
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 Creators:
Gerberding, Oliver1, Author              
Diekmann, Christian1, Author              
Kullmann, Joachim1, Author              
Tröbs, Michael1, Author              
Bykov, Iouri1, Author              
Barke, Simon1, Author              
Brause, Nils Christopher, Author
Delgado, Juan Jose Esteban1, Author              
Schwarze, Thomas S., Author
Reiche, Jens1, Author              
Danzmann, Karsten1, Author              
Rasmussen, Torben, Author
Hansen, Torben Vendt, Author
Engaard, Anders, Author
Pedersen, Søren Møller, Author
Jennrich, Oliver, Author
Suess, Martin, Author
Sodnik, Zoran, Author
Heinzel, Gerhard1, Author              
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, escidoc:24010              

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Free keywords: Physics, Instrumentation and Detectors, physics.ins-det
 Abstract: 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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 Dates: 2015-04-302015
 Publication Status: Published in print
 Pages: submitted to Review of Scientific Instruments on April 30th 2015
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 Identifiers: arXiv: 1504.08266
DOI: 10.1063/1.4927071
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Title: Review of Scientific Instruments
Source Genre: Journal
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Publ. Info: Melville, NY : AIP Publishing
Pages: - Volume / Issue: 86 Sequence Number: 074501 Start / End Page: - Identifier: ISSN: 0034-6748
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/991042742033452