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astro-ph.IM2022★ 8 cited
Sensors and Actuators for the Advanced LIGO+ Upgrade
S J Cooper, C M Mow-Lowry, D Hoyland +6
As part of the Advanced LIGO+ (A+) project we have developed, produced, and characterised sensors and electronics to interrogate new optical suspensions. The central element is a d…
astro-ph.IM2022★ 6 cited
Reducing controls noise in gravitational wave detectors with interferometric local damping of suspended optics
J van Dongen, L Prokhorov, S J Cooper +15
Control noise is a limiting factor in the low-frequency performance of the LIGO gravitational wave detectors. In this paper we model the effects of using new sensors called HoQIs t…