Dual recycling for GEO 600

H Grote, Andreas Freise, M Malec, G Heinzel, B Willke, H Lück, KA Strain, J Hough, K Danzmann

Research output: Contribution to journalArticlepeer-review

33 Citations (Scopus)


Dual recycling is the combination of signal recycling and power recycling; both optical techniques improve the shot-noise-limited sensitivity of interferometric gravitational-wave detectors. In addition, signal recycling can reduce the loss of light power due to imperfect interference and allows us, in principle, to beat the standard quantum limit. The interferometric gravitational-wave detector GEO 600 is the first of the kilometre-scale detectors to use signal recycling. We have recently equipped the detector with a signal-recycling mirror with a transmittance of 1%. In this paper, we present details of the detector commissioning and the first locks of the dual-recycled interferometer.
Original languageEnglish
Pages (from-to)S473-S480
JournalClassical and Quantum Gravity
Issue number5
Publication statusPublished - 7 Mar 2004


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