Optical detector topology for third-generation gravitational wave observatories

Andreas Freise*, Stefan Hild, Kentaro Somiya, Ken A. Strain, Andrea Viceré, Matteo Barsuglia, Simon Chelkowski

*Corresponding author for this work

Research output: Contribution to JournalArticleAcademicpeer-review


The third generation of gravitational wave observatories, with the aim of providing 100 times better sensitivity than currently operating interferometers, is expected to establish the evolving field of gravitational wave astronomy. A key element, required to achieve this ambitious sensitivity goal, is the exploration of new interferometer geometries, topologies and configurations. In this article we review the current status of the ongoing design work for third-generation gravitational wave observatories. The main focus is the evaluation of the detector geometry and detector topology. In addition we discuss some promising detector configurations and potential noise reduction schemes.

Original languageEnglish
Pages (from-to)537-567
Number of pages31
JournalGeneral Relativity and Gravitation
Issue number2
Publication statusPublished - 1 Jan 2011
Externally publishedYes


  • Gravitational wave detector
  • Laser interferometer
  • Optical design
  • Topology


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