A photon pressure calibrator for the GEO 600 gravitational wave detector

K. Mossavi*, M. Hewitson, S. Hild, F. Seifert, U. Weiland, J.R. Smith, H. Luck, H. Grote, B. Willke, K. Danzmann

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review


Interferometer mirror displacement induced by radiation pressure is used to demonstrate an alternative calibration method for the GEO 600 detector. The photon calibrator utilizes an amplitude modulated laser diode with up to 1.4 W output power at a wavelength of 1035 nm. The achieved accuracy of the strain amplitude calibration is dominated by the laser power calibration error, which is in the range of +/- 4% for the measurements presented in this Letter. (c) 2005 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)1-3
Number of pages3
JournalPhysics Letters A
Issue number1
Publication statusPublished - 17 Apr 2006
Externally publishedYes


  • gravitational wave detector
  • calibration
  • radiation pressure
  • laser diode


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