An optical readout system for the LISA gravitational reference sensors

Details An optical readout system for the LISA gravitational reference sensors An optical readout system for the LISA gravitational reference sensors

Mar 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004cqgra..21s.621a&link_type=abstract

Classical and Quantum Gravity, Volume 21, Issue 5, pp. S621-S627 (2004).

Computer Science

1

Scientific paper

We present an optical readout system for the LISA gravitational reference sensor. Some estimations of the most relevant sources of noise are given showing that the required sensitivity can be reached with such a type of detector. Preliminary results with a bench-top experiment are also reported; a sensitivity of 10-8 m Hz-1/2 at 1 mHz and better than the specification of 10-9 m Hz-1/2 above 10 mHz has been measured. The sensitivity is probably limited, at low frequency, by drifts in the experimental set-up. A more compact and stable set-up is presently under design that should allow the demonstration of the required sensitivity down to 1 mHz.

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