Design and initial characterization of a compact, ultra high vacuum compatible, low frequency, tilt accelerometer

A. O'Toole; F. E. Peña Arellano; A. V. Rodionov; M. Shaner; E. Sobacchi; V. Dergachev; R. Desalvo; M. Asadoor; A. Bhawal; P. Gong; C. Kim; A. Lottarini; Y. Minenkov; C. Murphy

doi:10.1063/1.4890285

Design and initial characterization of a compact, ultra high vacuum compatible, low frequency, tilt accelerometer

A. O'Toole, F. E. Peña Arellano, A. V. Rodionov, M. Shaner, E. Sobacchi, V. Dergachev, R. Desalvo, M. Asadoor, A. Bhawal, P. Gong, C. Kim, A. Lottarini, Y. Minenkov, C. Murphy

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

A compact tilt accelerometer with high sensitivity at low frequency was designed to provide low frequency corrections for the feedback signal of the Advanced Laser Interferometer Gravitational Wave Observatory active seismic attenuation system. It has been developed using a Tungsten Carbide ceramic knife-edge hinge designed to avoid the mechanical 1/f noise believed to be intrinsic in polycrystalline metallic flexures. Design and construction details are presented; prototype data acquisition and control limitations are discussed. The instrument's characterization reported here shows that the hinge is compatible with being metal-hysteresis-free, and therefore also free of the 1/f noise generated by the dislocation Self-Organized Criticality in the metal. A tiltmeter of this kind will be effective to separate the ground tilt component from the signal of horizontal low frequency seismometers, and to correct the ill effects of microseismic tilt in advanced seismic attenuation systems.

Original language	English
Article number	075003
Journal	Review of Scientific Instruments
Volume	85
Issue number	7
DOIs	https://doi.org/10.1063/1.4890285
State	Published - 1 Jan 2014
Externally published	Yes

ASJC Scopus subject areas

Instrumentation

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O'Toole, A., Peña Arellano, F. E., Rodionov, A. V., Shaner, M., Sobacchi, E., Dergachev, V., Desalvo, R., Asadoor, M., Bhawal, A., Gong, P., Kim, C., Lottarini, A., Minenkov, Y., & Murphy, C. (2014). Design and initial characterization of a compact, ultra high vacuum compatible, low frequency, tilt accelerometer. Review of Scientific Instruments, 85(7), Article 075003. https://doi.org/10.1063/1.4890285

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title = "Design and initial characterization of a compact, ultra high vacuum compatible, low frequency, tilt accelerometer",

abstract = "A compact tilt accelerometer with high sensitivity at low frequency was designed to provide low frequency corrections for the feedback signal of the Advanced Laser Interferometer Gravitational Wave Observatory active seismic attenuation system. It has been developed using a Tungsten Carbide ceramic knife-edge hinge designed to avoid the mechanical 1/f noise believed to be intrinsic in polycrystalline metallic flexures. Design and construction details are presented; prototype data acquisition and control limitations are discussed. The instrument's characterization reported here shows that the hinge is compatible with being metal-hysteresis-free, and therefore also free of the 1/f noise generated by the dislocation Self-Organized Criticality in the metal. A tiltmeter of this kind will be effective to separate the ground tilt component from the signal of horizontal low frequency seismometers, and to correct the ill effects of microseismic tilt in advanced seismic attenuation systems.",

author = "A. O'Toole and {Pe{\~n}a Arellano}, {F. E.} and Rodionov, {A. V.} and M. Shaner and E. Sobacchi and V. Dergachev and R. Desalvo and M. Asadoor and A. Bhawal and P. Gong and C. Kim and A. Lottarini and Y. Minenkov and C. Murphy",

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O'Toole, A, Peña Arellano, FE, Rodionov, AV, Shaner, M, Sobacchi, E, Dergachev, V, Desalvo, R, Asadoor, M, Bhawal, A, Gong, P, Kim, C, Lottarini, A, Minenkov, Y & Murphy, C 2014, 'Design and initial characterization of a compact, ultra high vacuum compatible, low frequency, tilt accelerometer', Review of Scientific Instruments, vol. 85, no. 7, 075003. https://doi.org/10.1063/1.4890285

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T1 - Design and initial characterization of a compact, ultra high vacuum compatible, low frequency, tilt accelerometer

AU - O'Toole, A.

AU - Peña Arellano, F. E.

AU - Rodionov, A. V.

AU - Shaner, M.

AU - Sobacchi, E.

AU - Dergachev, V.

AU - Desalvo, R.

AU - Asadoor, M.

AU - Bhawal, A.

AU - Gong, P.

AU - Kim, C.

AU - Lottarini, A.

AU - Minenkov, Y.

AU - Murphy, C.

PY - 2014/1/1

Y1 - 2014/1/1

N2 - A compact tilt accelerometer with high sensitivity at low frequency was designed to provide low frequency corrections for the feedback signal of the Advanced Laser Interferometer Gravitational Wave Observatory active seismic attenuation system. It has been developed using a Tungsten Carbide ceramic knife-edge hinge designed to avoid the mechanical 1/f noise believed to be intrinsic in polycrystalline metallic flexures. Design and construction details are presented; prototype data acquisition and control limitations are discussed. The instrument's characterization reported here shows that the hinge is compatible with being metal-hysteresis-free, and therefore also free of the 1/f noise generated by the dislocation Self-Organized Criticality in the metal. A tiltmeter of this kind will be effective to separate the ground tilt component from the signal of horizontal low frequency seismometers, and to correct the ill effects of microseismic tilt in advanced seismic attenuation systems.

AB - A compact tilt accelerometer with high sensitivity at low frequency was designed to provide low frequency corrections for the feedback signal of the Advanced Laser Interferometer Gravitational Wave Observatory active seismic attenuation system. It has been developed using a Tungsten Carbide ceramic knife-edge hinge designed to avoid the mechanical 1/f noise believed to be intrinsic in polycrystalline metallic flexures. Design and construction details are presented; prototype data acquisition and control limitations are discussed. The instrument's characterization reported here shows that the hinge is compatible with being metal-hysteresis-free, and therefore also free of the 1/f noise generated by the dislocation Self-Organized Criticality in the metal. A tiltmeter of this kind will be effective to separate the ground tilt component from the signal of horizontal low frequency seismometers, and to correct the ill effects of microseismic tilt in advanced seismic attenuation systems.

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Design and initial characterization of a compact, ultra high vacuum compatible, low frequency, tilt accelerometer

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