4.4 Article

Sensors and actuators for the Advanced LIGO mirror suspensions

Journal

CLASSICAL AND QUANTUM GRAVITY
Volume 29, Issue 11, Pages -

Publisher

IOP PUBLISHING LTD
DOI: 10.1088/0264-9381/29/11/115005

Keywords

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Funding

  1. Science and Technology Facilities Council (STFC)
  2. University of Birmingham
  3. University of Glasgow
  4. University of Strathclyde
  5. NSF [PHY - 0107417]
  6. Direct For Mathematical & Physical Scien
  7. Division Of Physics [0757058] Funding Source: National Science Foundation
  8. Science and Technology Facilities Council [ST/J000302/1 Gravitational Waves, PP/F001118/1, ST/J00166X/1, ST/G504284/1, ST/I001026/1 Gravitational Waves, ST/J000019/1, ST/J000302/1, PP/F00110X/1, ST/I001085/1, ST/J000361/1, PPA/G/S/2002/00652, Gravitational Waves] Funding Source: researchfish
  9. STFC [ST/G504284/1, ST/J000361/1, ST/J000302/1, PP/F001118/1, PP/F00110X/1, PPA/G/S/2002/00652, Gravitational Waves, ST/J00166X/1, ST/J000019/1, ST/I001085/1] Funding Source: UKRI

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We have developed, produced and characterized integrated sensors, actuators and the related read-out and drive electronics that will be used for the control of the Advanced LIGO suspensions. The overall system consists of the BOSEMs (a displacement sensor with an integrated electromagnetic actuator), the satellite boxes (the BOSEM readout and interface electronics) and six different types of coil-driver units. In this paper, we present the design of this read-out and control system, we discuss the related performance relevant for the Advanced LIGO suspensions, and we report on the experimental activity finalized at the production of the instruments for the Advanced LIGO detectors.

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