Status of the GEO600 detector

H. Li¿½ck, M. Hewitson, P. Ajith, B. Allen, P. Aufmuth, C. Aulbert, S. Babak, R. Balasubramanian, B.W. Barr, S. Berukoff, A. Bunkowski, G. Cagnoli, C.A. Cantley, M.M. Casey, S. Chelkowski, Y. Chen, D. Churches, T. Cokelaer, C.N. Colacino, D.R.M. CrooksC. Cutler, K. Danzmann, R.J. Dupuis, E. Elliffe, C. Fallnich, A. Franzen, A. Freise, I. Gholami, S. Goler, A. Grant, H. Grote, S. Grunewald, J. Harms, B. Hage, G. Heinzel, I.S. Heng, A. Hepstonstall, M. Heurs, S. Hild, J. Hough, Y. Itoh, G. Jones, S.H. Huttner, K. Ki¿½tter, B. Krishnan, P. Kwee, M. Luna, B. Machenschalk, M. Malec, R.A. Mercer, T. Meier, C. Messenger, S. Mohanty, K. Mossavi, S. Mukherjee, P. Murray, G.P. Newton, M.A. Papa, M. Perreur-Lloyd, M. Pitkin, M.V. Plissi, R. Prix, V. Quetschke, V. Re, T. Regimbau, H. Rehbein, S. Reid, L. Ribichini, D.I. Robertson, C. Robinson, J.D. Romano, S. Rowan, A. Ri¿½diger, B.S. Sathyaprakash, R. Schilling, R. Schnabel, B.F. Schutz, F. Seifert, A.M. Sintes, J.R. Smith, P.H. Sneddon, K.A. Strain, I. Taylor, A. Thi¿½ring, C. Ungarelli, H. Vahlbruch, A. Vecchio, J. Veitch, H. Ward, U. Weiland, H. Welling, Linqing Wen, P. Williams, B. Willke, W. Winkler, G. Woan, R. Zhu

    Research output: Contribution to journalArticlepeer-review

    124 Citations (Scopus)


    Of all the large interferometric gravitational-wave detectors, the German/British project GEO600 is the only one which uses dual recycling. During the four weeks of the international S4 data-taking run it reached an instrumental duty cycle of 97% with a peak sensitivity of 7 × 10−22 Hz−1/2 at 1 kHz. This paper describes the status during S4 and improvements thereafter.
    Original languageEnglish
    Pages (from-to)71-78
    JournalClassical and Quantum Gravity
    Issue number8
    Publication statusPublished - 2006


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