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Alignment locking to suspended Fabry-Perot cavity

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Abstract

In this paper we report on the alignment locking of an in vacuum 77 m long suspended mirror Fabry-Perot cavity. Lock was achieved by mode-matching a 500 mW Nd:YAG NPRO onto a pre-mode cleaner, the output of which was then mode-matched to the suspended cavity. The longitudinal locking was achieved by feeding back to the laser frequency actuator to follow the cavity resonance. Subsequent implementation of a hybrid auto-alignment system enhanced the stability of the circulating power inside the cavity. Preliminary results are presented.

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Authors and Affiliations

  1. Department of Physics, University of Western Australia, 35 Stirling Highway, Crawley, 6009, WA, Australia

    Bram J. J. Slagmolen & Chunnong Zhao

  2. LIGO Project, California Institute of Technology, Pasadena, CA, 91125, USA

    Mark Barton

  3. Centre for Gravitational Physics, Faculty of Science, The Australian National University, Canberra, 0200, Australia

    Conor Mow-Lowry, Glenn de Vine, David S. Rabeling, Jong H. Chow, Albert Romann, Malcolm B. Gray & David E. McClelland

Authors
  1. Bram J. J. Slagmolen
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  2. Mark Barton
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  3. Conor Mow-Lowry
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  4. Glenn de Vine
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  5. David S. Rabeling
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  6. Jong H. Chow
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  7. Albert Romann
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  8. Chunnong Zhao
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  9. Malcolm B. Gray
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  10. David E. McClelland
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Corresponding author

Correspondence to Bram J. J. Slagmolen.

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Slagmolen, B.J.J., Barton, M., Mow-Lowry, C. et al. Alignment locking to suspended Fabry-Perot cavity. Gen Relativ Gravit 37, 1601–1608 (2005). https://doi.org/10.1007/s10714-005-0144-6

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  • DOI: https://doi.org/10.1007/s10714-005-0144-6

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