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Picometer-stable hexagonal optical bench to verify LISA phase extraction linearity and precision

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arxiv 1810.00728 v2 pith:JILMIDN2 submitted 2018-10-01 astro-ph.IM physics.ins-detphysics.optics

Thomas S. Schwarze , Germán Fernández Barranco , Daniel Penkert , Marina Kaufer , Oliver Gerberding , Gerhard Heinzel This is my paper
classification astro-ph.IMphysics.ins-detphysics.optics
keywords lisaperformancephasebenchextractionhexagonallinearitymetrology
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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.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Mitigation of the Flexing-Filtering Effect in Time-Delay Interferometry

    astro-ph.IM 2025-06 conditional novelty 7.0 of 10

    A modified TDI delay operator that folds the anti-aliasing filter response into the delay itself suppresses flexing-filtering noise in LISA simulations, with residuals dropping below the 0.1 pm reference.

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