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Journal Article

Picometer-Stable Hexagonal Optical Bench to Verify LISA Phase Extraction Linearity and Precision

MPS-Authors
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Fernández Barranco,  Germán
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Penkert,  Daniel
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

Kaufer,  Marina
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Gerberding,  Oliver
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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Heinzel,  Gerhard
Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society;

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1810.00728.pdf
(Preprint), 248KB

PRL.122.081104.pdf
(Publisher version), 331KB

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Citation

Schwarze, T. S., Fernández Barranco, G., Penkert, D., Kaufer, M., Gerberding, O., & Heinzel, G. (2019). Picometer-Stable Hexagonal Optical Bench to Verify LISA Phase Extraction Linearity and Precision. Physical Review Letters, 122(8): 081104. doi:10.1103/PhysRevLett.122.081104.


Cite as: https://hdl.handle.net/21.11116/0000-0002-6937-B
Abstract
The Laser Interferometer Space Antenna (LISA) and its metrology chain have to
fulfill stringent performance requirements to enable the space-based detection
of gravitational waves. This implies the necessity of performance verification
methods. In particular, the extraction of the interferometric phase,
implemented by a phasemeter, needs to be probed for linearity and phase noise
contributions. This Letter reports on a hexagonal quasimonolithic optical bench
implementing a three-signal test for this purpose. Its characterization as
sufficiently stable down to picometer levels is presented as well as its usage
for a benchmark phasemeter performance measurement under LISA conditions. These
results make it a candidate for the core of a LISA metrology verification
facility.