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

被引：34

作者：

Gerberding, Oliver ^{[1
,2
]}

Diekmann, Christian ^{[1
,2
]}

Kullmann, Joachim ^{[1
,2
]}

Troebs, Michael ^{[1
,2
]}

Bykov, Ioury ^{[1
,2
]}

Barke, Simon ^{[1
,2
]}

Brause, Nils Christopher ^{[1
,2
]}

Delgado, Juan Jose Esteban ^{[1
,2
]}

Schwarze, Thomas S. ^{[1
,2
]}

Reiche, Jens ^{[1
,2
]}

Danzmann, Karsten ^{[1
,2
]}

Rasmussen, Torben ^{[3
]}

Hansen, Torben Vendt ^{[3
]}

Enggaard, Anders ^{[3
]}

Pedersen, Soren Moller ^{[4
]}

Jennrich, Oliver ^{[5
]}

Suess, Martin ^{[5
]}

Sodnik, Zoran ^{[5
]}

Heinzel, Gerhard ^{[1
,2
]}

机构：

[1] Leibniz Univ Hannover, Max Planck Inst Gravitat Phys, D-30167 Hannover, Germany

[2] Leibniz Univ Hannover, Inst Gravitat Phys, D-30167 Hannover, Germany

[3] Axcon ApS, DK-2800 Lyngby, Denmark

[4] Tech Univ Denmark, Natl Space Inst, DTU Space, DK-2800 Lyngby, Denmark

[5] European Space Agcy, European Space Res & Technol Ctr, NL-2200 AG Noordwijk, Netherlands

来源：

REVIEW OF SCIENTIFIC INSTRUMENTS | 2015年 / 86卷 / 07期

关键词：

NOISE;

D O I：

10.1063/1.4927071

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Precision phase readout of optical beat note signals is one of the core techniques required for inter-satellite 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 rad/root Hz at frequencies between 0.1 mHz and 1 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, which was developed in the scope of a European Space Agency technology development activity. (C) 2015 AIP Publishing LLC.

引用

页数：12

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