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Chwalla, M. [Author]; Danzmann, Karsten [Author]; Fernández Barranco, G. [Author]; Fitzsimons, E. [Author]; Gerberding, Oliver [Author]; Heinzel, Gerhard [Author]; Killow, Christian J. [Author]; Lieser, M. [Author]; Perreur-Lloyd, M. [Author]; Robertson, D.I. [Author]; Schuster, Sönke [Author]; Schwarze, Thomas S. [Author]; Tröbs, M. [Author]; Ward, H. [Author]; Zwetz, M. [Author]

Design and construction of an optical test bed for LISA imaging systems and tilt-to-length coupling - [published Version]

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  • Media type: E-Article; Text
  • Title: Design and construction of an optical test bed for LISA imaging systems and tilt-to-length coupling
  • Contributor: Chwalla, M. [Author]; Danzmann, Karsten [Author]; Fernández Barranco, G. [Author]; Fitzsimons, E. [Author]; Gerberding, Oliver [Author]; Heinzel, Gerhard [Author]; Killow, Christian J. [Author]; Lieser, M. [Author]; Perreur-Lloyd, M. [Author]; Robertson, D.I. [Author]; Schuster, Sönke [Author]; Schwarze, Thomas S. [Author]; Tröbs, M. [Author]; Ward, H. [Author]; Zwetz, M. [Author]
  • imprint: Bristol : IOP Publishing, 2016
  • Published in: Classical and Quantum Gravity 33 (2016), Nr. 24
  • Issue: published Version
  • Language: English
  • DOI: https://doi.org/10.15488/5173; https://doi.org/10.1088/0264-9381/33/24/245015
  • ISSN: 0264-9381
  • Keywords: Laser beam quality ; Length measurement ; nterferometry ; Optics ; Physics ; Coupling ; Telescope ; Laser ; Quantum mechanics ; Beam (structure) ; Gaussian beam
  • Origination:
  • Footnote: Diese Datenquelle enthält auch Bestandsnachweise, die nicht zu einem Volltext führen.
  • Description: The laser interferometer space antenna (LISA) is a future space-based interferometric gravitational-wave detector consisting of three spacecraft in a triangular configuration. The interferometric measurements of path length changes between satellites will be performed on optical benches in the satellites. Angular misalignments of the interfering beams couple into the length measurement and represent a significant noise source. Imaging systems will be used to reduce this tilt-to-length coupling.; We designed and constructed an optical test bed to experimentally investigate tilt-to-length coupling. It consists of two separate structures, a minimal optical bench and a telescope simulator. The minimal optical bench comprises the science interferometer where the local laser is interfered with light from a remote spacecraft. In our experiment, a simulated version of this received beam is generated on the telescope simulator. The telescope simulator provides a tilting beam, a reference interferometer and an additional static beam as a phase reference. The tilting beam can either be a flat-top beam or a Gaussian beam. We avoid tilt-to-length coupling in the reference interferometer by using a small photo diode placed at an image of the beam rotation point. We show that the test bed is operational with an initial measurement of tilt-to-length coupling without imaging systems.; Furthermore, we show the design of two different imaging systems whose performance will be investigated in future experiments.
  • Access State: Open Access
  • Rights information: Attribution (CC BY)