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Readout, Sensing, and Control

Vajente, Gabriele (2014) Readout, Sensing, and Control. In: Advanced Interferometers and the Search for Gravitational Waves. Astrophysics and Space Science Library. No.404. Springer , Cham, Switzerland, pp. 153-192. ISBN 978-3-319-03791-2. http://resolver.caltech.edu/CaltechAUTHORS:20170622-134345762

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Abstract

Suspending the mirrors is one of the most crucial tasks in gravitational wave interferometer technology. The performance of the suspensions must provide the required attenuation of seismic noise and reduction of thermal noise, two fundamental limits to the sensitivity of any gravitational wave detector. Moreover, the suspension system must be equipped with sensors and actuators which are used to actively control some relevant degrees of freedom, so to be able to keep the interferometer at its working point (i.e., “locked”). In the first part of this chapter we deal with the basic principles behind the super attenuator chains developed in Virgo to reduce the seismic noise. In the second part, we illustrate the techniques to suspend the mirror reducing the thermal noise in the detection bandwidth, according to the theory illustrated in Chap. 8.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1007/978-3-319-03792-9_6DOIArticle
https://link.springer.com/chapter/10.1007/978-3-319-03792-9_6UNSPECIFIEDArticle
Additional Information:© 2014 Springer. Date: 06 March 2014.
Group:LIGO
Record Number:CaltechAUTHORS:20170622-134345762
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20170622-134345762
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:78471
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:22 Jun 2017 21:33
Last Modified:22 Jun 2017 21:33

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