Wednesday, May 8, 2013

1305.1599 (M. Evans et al.)

Realistic Filter Cavities for Advanced Gravitational Wave Detectors    [PDF]

M. Evans, L. Barsotti, J. Harms, P. Kwee, H. Miao
The ongoing global effort to detect gravitational waves continues to push the limits of precision measurement while aiming to provide a new tool for understanding both astrophysics and fundamental physics. Squeezed states of light offer a proven means of increasing the sensitivity of gravitational wave detectors, potentially increasing the rate at which astrophysical sources are detected by more than an order of magnitude. Since radiation pressure noise plays an important role in advanced detectors, frequency dependent squeezing will be required. In this paper we propose a practical approach to producing frequency dependent squeezing for Advanced LIGO and similar interferometric gravitational wave detectors.
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