Reducing control noise in gravitational wave detectors with interferometric local damping of suspended optics

J. van Dongen; L. Prokhorov; S. J. Cooper; M. A. Barton; E. Bonilla; K. L. Dooley; J. C. Driggers; A. Effler; N. A. Holland; A. Huddart; M. Kasprzack; J. S. Kissel; B. Lantz; A. L. Mitchell; J. O’Dell; A. Pele; C. Robertson; C. M. Mow-Lowry

doi:10.1063/5.0144865

Reducing control noise in gravitational wave detectors with interferometric local damping of suspended optics

J. van Dongen^*, L. Prokhorov, S. J. Cooper, M. A. Barton, E. Bonilla, K. L. Dooley, J. C. Driggers, A. Effler, N. A. Holland, A. Huddart, M. Kasprzack, J. S. Kissel, B. Lantz, A. L. Mitchell, J. O’Dell, A. Pele, C. Robertson, C. M. Mow-Lowry

^*Corresponding author for this work

(Astro)-Particles Physics

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

Control noise is a limiting factor in the low-frequency performance of the Advanced Laser Interferometer Gravitational-Wave Observatory (LIGO). In this paper, we model the effects of using new sensors called Homodyne Quadrature Interferometers (HoQIs) to control the suspension resonances. We show that if we were to use HoQIs, instead of the standard shadow sensors, we could suppress resonance peaks up to tenfold more while simultaneously reducing the noise injected by the damping system. Through a cascade of effects, this will reduce the resonant cross-coupling of the suspensions, allow for improved stability for feed-forward control, and result in improved sensitivity of the detectors in the 10-20 Hz band. This analysis shows that improved local sensors, such as HoQIs, should be used in current and future detectors to improve low-frequency performance.

Original language	English
Article number	054501
Pages (from-to)	1-8
Number of pages	8
Journal	Review of Scientific Instruments
Volume	94
Issue number	5
Early online date	23 May 2023
DOIs	https://doi.org/10.1063/5.0144865
Publication status	Published - May 2023

Bibliographical note

Funding Information:
We thank Norna Robertson and the Advanced LIGO Suspensions team for their work developing the BBSS dynamics model. The authors gratefully acknowledge the support of the United States National Science Foundation (NSF) for the construction and operation of the LIGO Laboratory and Advanced LIGO. LIGO was constructed by the California Institute of Technology and Massachusetts Institute of Technology with funding from the United States NSF and operates under cooperative Agreement No. PHY-1764464; Advanced LIGO was built under Award No. PHY-0823459. The authors acknowledge the support of the Institute for Gravitational Wave Astronomy at the University of Birmingham and STFC grants “Astrophysics at the University of Birmingham” Grant No. ST/S000305/1 and “The A+ upgrade: Expanding the Advanced LIGO Horizon” Grant No. ST/S00243X/1. The support for Cardiff University grants were from Leverhulme Trust: Grant No. PLP-2018-066, and UKRI Science and Technology Facilities Council (STFC): Grant No. ST/V005618/1. This project received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation program (Grant Agreement No. 865816).

Publisher Copyright:
© 2023 Author(s).

Funding

We thank Norna Robertson and the Advanced LIGO Suspensions team for their work developing the BBSS dynamics model. The authors gratefully acknowledge the support of the United States National Science Foundation (NSF) for the construction and operation of the LIGO Laboratory and Advanced LIGO. LIGO was constructed by the California Institute of Technology and Massachusetts Institute of Technology with funding from the United States NSF and operates under cooperative Agreement No. PHY-1764464; Advanced LIGO was built under Award No. PHY-0823459. The authors acknowledge the support of the Institute for Gravitational Wave Astronomy at the University of Birmingham and STFC grants “Astrophysics at the University of Birmingham” Grant No. ST/S000305/1 and “The A+ upgrade: Expanding the Advanced LIGO Horizon” Grant No. ST/S00243X/1. The support for Cardiff University grants were from Leverhulme Trust: Grant No. PLP-2018-066, and UKRI Science and Technology Facilities Council (STFC): Grant No. ST/V005618/1. This project received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation program (Grant Agreement No. 865816).

Funders	Funder number
California Institute of Technology and Massachusetts Institute of Technology
United States NSF	PHY-0823459, PHY-1764464
National Science Foundation
Horizon 2020 Framework Programme	865816
Horizon 2020 Framework Programme
UK Research and Innovation	ST/V005618/1
UK Research and Innovation
Science and Technology Facilities Council	ST/S00243X/1, ST/S000305/1
Science and Technology Facilities Council
Leverhulme Trust	PLP-2018-066
Leverhulme Trust
European Research Council
University of Birmingham
Cardiff University

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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van Dongen, J., Prokhorov, L., Cooper, S. J., Barton, M. A., Bonilla, E., Dooley, K. L., Driggers, J. C., Effler, A., Holland, N. A., Huddart, A., Kasprzack, M., Kissel, J. S., Lantz, B., Mitchell, A. L., O’Dell, J., Pele, A., Robertson, C., & Mow-Lowry, C. M. (2023). Reducing control noise in gravitational wave detectors with interferometric local damping of suspended optics. Review of Scientific Instruments, 94(5), 1-8. Article 054501. https://doi.org/10.1063/5.0144865

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title = "Reducing control noise in gravitational wave detectors with interferometric local damping of suspended optics",

abstract = "Control noise is a limiting factor in the low-frequency performance of the Advanced Laser Interferometer Gravitational-Wave Observatory (LIGO). In this paper, we model the effects of using new sensors called Homodyne Quadrature Interferometers (HoQIs) to control the suspension resonances. We show that if we were to use HoQIs, instead of the standard shadow sensors, we could suppress resonance peaks up to tenfold more while simultaneously reducing the noise injected by the damping system. Through a cascade of effects, this will reduce the resonant cross-coupling of the suspensions, allow for improved stability for feed-forward control, and result in improved sensitivity of the detectors in the 10-20 Hz band. This analysis shows that improved local sensors, such as HoQIs, should be used in current and future detectors to improve low-frequency performance.",

author = "{van Dongen}, J. and L. Prokhorov and Cooper, {S. J.} and Barton, {M. A.} and E. Bonilla and Dooley, {K. L.} and Driggers, {J. C.} and A. Effler and Holland, {N. A.} and A. Huddart and M. Kasprzack and Kissel, {J. S.} and B. Lantz and Mitchell, {A. L.} and J. O{\textquoteright}Dell and A. Pele and C. Robertson and Mow-Lowry, {C. M.}",

note = "Funding Information: We thank Norna Robertson and the Advanced LIGO Suspensions team for their work developing the BBSS dynamics model. The authors gratefully acknowledge the support of the United States National Science Foundation (NSF) for the construction and operation of the LIGO Laboratory and Advanced LIGO. LIGO was constructed by the California Institute of Technology and Massachusetts Institute of Technology with funding from the United States NSF and operates under cooperative Agreement No. PHY-1764464; Advanced LIGO was built under Award No. PHY-0823459. The authors acknowledge the support of the Institute for Gravitational Wave Astronomy at the University of Birmingham and STFC grants “Astrophysics at the University of Birmingham” Grant No. ST/S000305/1 and “The A+ upgrade: Expanding the Advanced LIGO Horizon” Grant No. ST/S00243X/1. The support for Cardiff University grants were from Leverhulme Trust: Grant No. PLP-2018-066, and UKRI Science and Technology Facilities Council (STFC): Grant No. ST/V005618/1. This project received funding from the European Research Council (ERC) under the European Union{\textquoteright}s Horizon 2020 research and innovation program (Grant Agreement No. 865816). Publisher Copyright: {\textcopyright} 2023 Author(s).",

year = "2023",

month = may,

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van Dongen, J, Prokhorov, L, Cooper, SJ, Barton, MA, Bonilla, E, Dooley, KL, Driggers, JC, Effler, A, Holland, NA, Huddart, A, Kasprzack, M, Kissel, JS, Lantz, B, Mitchell, AL, O’Dell, J, Pele, A, Robertson, C & Mow-Lowry, CM 2023, 'Reducing control noise in gravitational wave detectors with interferometric local damping of suspended optics', Review of Scientific Instruments, vol. 94, no. 5, 054501, pp. 1-8. https://doi.org/10.1063/5.0144865

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T1 - Reducing control noise in gravitational wave detectors with interferometric local damping of suspended optics

AU - van Dongen, J.

AU - Prokhorov, L.

AU - Cooper, S. J.

AU - Barton, M. A.

AU - Bonilla, E.

AU - Dooley, K. L.

AU - Driggers, J. C.

AU - Effler, A.

AU - Holland, N. A.

AU - Huddart, A.

AU - Kasprzack, M.

AU - Kissel, J. S.

AU - Lantz, B.

AU - Mitchell, A. L.

AU - O’Dell, J.

AU - Pele, A.

AU - Robertson, C.

AU - Mow-Lowry, C. M.

N1 - Funding Information: We thank Norna Robertson and the Advanced LIGO Suspensions team for their work developing the BBSS dynamics model. The authors gratefully acknowledge the support of the United States National Science Foundation (NSF) for the construction and operation of the LIGO Laboratory and Advanced LIGO. LIGO was constructed by the California Institute of Technology and Massachusetts Institute of Technology with funding from the United States NSF and operates under cooperative Agreement No. PHY-1764464; Advanced LIGO was built under Award No. PHY-0823459. The authors acknowledge the support of the Institute for Gravitational Wave Astronomy at the University of Birmingham and STFC grants “Astrophysics at the University of Birmingham” Grant No. ST/S000305/1 and “The A+ upgrade: Expanding the Advanced LIGO Horizon” Grant No. ST/S00243X/1. The support for Cardiff University grants were from Leverhulme Trust: Grant No. PLP-2018-066, and UKRI Science and Technology Facilities Council (STFC): Grant No. ST/V005618/1. This project received funding from the European Research Council (ERC) under the European Union’s Horizon 2020 research and innovation program (Grant Agreement No. 865816). Publisher Copyright: © 2023 Author(s).

PY - 2023/5

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N2 - Control noise is a limiting factor in the low-frequency performance of the Advanced Laser Interferometer Gravitational-Wave Observatory (LIGO). In this paper, we model the effects of using new sensors called Homodyne Quadrature Interferometers (HoQIs) to control the suspension resonances. We show that if we were to use HoQIs, instead of the standard shadow sensors, we could suppress resonance peaks up to tenfold more while simultaneously reducing the noise injected by the damping system. Through a cascade of effects, this will reduce the resonant cross-coupling of the suspensions, allow for improved stability for feed-forward control, and result in improved sensitivity of the detectors in the 10-20 Hz band. This analysis shows that improved local sensors, such as HoQIs, should be used in current and future detectors to improve low-frequency performance.

AB - Control noise is a limiting factor in the low-frequency performance of the Advanced Laser Interferometer Gravitational-Wave Observatory (LIGO). In this paper, we model the effects of using new sensors called Homodyne Quadrature Interferometers (HoQIs) to control the suspension resonances. We show that if we were to use HoQIs, instead of the standard shadow sensors, we could suppress resonance peaks up to tenfold more while simultaneously reducing the noise injected by the damping system. Through a cascade of effects, this will reduce the resonant cross-coupling of the suspensions, allow for improved stability for feed-forward control, and result in improved sensitivity of the detectors in the 10-20 Hz band. This analysis shows that improved local sensors, such as HoQIs, should be used in current and future detectors to improve low-frequency performance.

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Reducing control noise in gravitational wave detectors with interferometric local damping of suspended optics

Abstract

Bibliographical note

Funding

UN SDGs

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