Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2001-09-20
Class.Quant.Grav. 19 (2002) 883-896; Erratum-ibid. 19 (2002) 4229
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
Submitted to LSC (internal) review Sept. 20, 2001. To be submitted to Phys. Lett. A
Scientific paper
10.1088/0264-9381/19/15/502
Interferometric gravitational wave detectors use mirrors whose substrates are formed from materials of low intrinsic mechanical dissipation. The two most likely choices for the test masses in future advanced detectors are fused silica or sapphire. These test masses must be coated to form mirrors, highly reflecting at 1064nm. We have measured the excess mechanical losses associated with adding dielectric coatings to substrates of fused silica and calculate the effect of the excess loss on the thermal noise in an advanced interferometer.
Cagnoli Geppo
Coyne Don
Crooks D. R. M.
Fejer Martin M.
Gretarsson Andri Marcus
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