Publisher's Note: A vacuum-compatible cylindrical inertial rotation sensor with picoradian sensitivity

Creators: Ross, M. P.; van Dongen, J.; Huang, Y.; Zhou, H.; Chowdhury, Y.; Apple, S. K.; Mow-Lowry, C. M.; Mitchell, A. L.; Holland, N. A.; Lantz, B.; Bonilla, E.; Engl, A.; Pele, A.; Griffith, D.; Sanchez, E.; Shaw, E. A.; Gettings, C.; Gundlach, J.

Abstract

We describe an inertial rotation sensor with a 30-cm cylindrical proof-mass suspended from a pair of 14 μm thick BeCu flexures. The angle between the proof-mass and support structure is measured with a pair of homodyne interferometers, which achieve a noise level of ∼5prad/√Hz. The sensor is entirely made of vacuum compatible materials, and the center of mass can be adjusted remotely.

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Errata

This article was originally published online on 22 September 2023 with typesetting errors. These errors have been corrected. AIP Publishing apologizes for the errors. All online versions of the article were corrected on 7 November 2023.

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