Opto-mechanical frequency shifting of scattered light

H Luck, J Degallaix, H Grote, M Hewitson, Stefan Hild, B Willke, K Danzmann

Research output: Contribution to journalArticle

6 Citations (Scopus)


Light being scattered back from external surfaces or optical components can affect the sensitivity of optical measurement systems such as interferometers. By modulating the optical path length in front of a critical optical component the noise contributions due to the scattered light can be shifted out of the frequency band of interest. An opto-mechanical phase shifter has been designed for this purpose and noise reduction has been demonstrated.
Original languageEnglish
JournalJournal of Optics A: Pure and Applied Optics
Issue number8
Publication statusPublished - 1 Jan 2008


  • gravitational waves
  • modulation
  • scattering
  • interferometer


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