Displacement-noise-free resonant speed meter for gravitational-wave detection

Details Displacement-noise-free resonant speed meter for gravitational-wave detection Displacement-noise-free resonant speed meter for gravitational-wave detection

2008-08-26

arxiv.org/abs/0808.3445v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

7 pages, 3 figures

Scientific paper

We demonstrate that speedmeter, based on double pumped resonant Sagnac interferometer, can be used as a displacement noise free gravitational-wave (GW) detector. The displacement noise of cavity mirrors can be completely excluded through a proper linear combination of the output signals. We show that in low-frequency region the obtained displacement-noise-free response signal is stronger than the one in previously proposed displacement noise free interferometers.

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