Computer Science
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008cqgra..25w5003h&link_type=abstract
Classical and Quantum Gravity, Volume 25, Issue 23, pp. 235003 (2008).
Computer Science
Scientific paper
The control of coupled cavity systems, as employed in interferometric gravitational wave detectors, depends to a large extent on the design and optimization of sensing systems that can correctly read out the length and angle degrees of freedom. As interferometer configurations become more complex, and new sensing schemes are introduced, it is important to ensure that methods are available to optimize the system parameters to allow the experimental realization to match the theoretical design. In an experimental test, on a suitable model apparatus, we show that currently available numerical modelling tools allow the development and implementation of reliable methods of setting the key system parameters. Here we present an example technique showing how these parameters can be optimized and compare the numerical model with the experimental reality. The effects of mode-matching and misalignment on the sensing signals and on the process of optimizing them are also considered.
Barr Bryan W.
Huttner Sabina H.
Plissi Michael V.
Sorazu Borja
Strain Ken A.
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