Invited review article: Large ring lasers for rotation sensing

KU Schreiber, JPR Wells - Review of Scientific Instruments, 2013 - pubs.aip.org
Over the last two decades a series of large ring laser gyroscopes have been built having an
unparalleled scale factor. These upscaled devices have improved the sensitivity and stability …

[HTML][HTML] A review of rotational seismology area of interest from a recording and rotational sensors point of view

AT Kurzych, LR Jaroszewicz - Sensors, 2024 - mdpi.com
This article reviews rotational seismology, considering different areas of interest, as well as
measuring devices used for rotational events investigations. After a short theoretical …

Characterizing the background noise level of rotational ground motions on Earth

A Brotzer, H Igel, E Stutzmann… - Seismological …, 2024 - pubs.geoscienceworld.org
The development of high‐sensitive ground‐motion instrumentation for Earth and planetary
exploration is governed by so‐called low‐noise models, which characterize the minimum …

Optimization of the geometrical stability in square ring laser gyroscopes

R Santagata, A Beghi, J Belfi, N Beverini… - … and Quantum Gravity, 2015 - iopscience.iop.org
Ultra-sensitive ring laser gyroscopes are regarded as potential detectors of the general
relativistic frame-dragging effect due to the rotation of the Earth. Our project for this goal is …

First deep underground observation of rotational signals from an earthquake at teleseismic distance using a large ring laser gyroscope

A Simonelli, J Belfi, N Beverini, G Carelli… - arxiv preprint arxiv …, 2016 - arxiv.org
Recent advances in large ring laser gyroscopes (RLG) technologies opened the possibility
to observe rotations of the ground with sensitivities up to $10^{-11} $$\frac {rad}{s} $ over the …

Amplification of rotation velocity using weak measurements in Sagnac's interferometer

JH Huang, XY Duan, XY Hu - The European Physical Journal D, 2021 - Springer
We study the amplification of rotation velocity with the Sagnac interferometer based on the
concept of weak-value amplification. By using a different scheme to perform the Sagnac …

A large area fiber optic gyroscope on multiplexed fiber network

C Clivati, D Calonico, GA Costanzo, A Mura… - arxiv preprint arxiv …, 2012 - arxiv.org
We describe a fiber optical gyroscope based on the Sagnac effect realized on a multiplexed
telecom fiber network. Our loop encloses an area of 20 km^ 2 and coexists with Internet data …

Analysis of 90 day operation of the GINGERINO gyroscope

J Belfi, N Beverini, G Carelli, A Di Virgilio… - Applied Optics, 2018 - opg.optica.org
Gyroscopes IN GEneral Relativity (GINGER) is a proposed experiment with the aim of
measuring in a ground laboratory the gravitoelectric and gravitomagnetic effects foreseen by …

Low‐frequency tilt seismology with a precision ground‐rotation sensor

MP Ross, K Venkateswara… - Seismological …, 2018 - pubs.geoscienceworld.org
We describe measurements of the rotational component of teleseismic surface waves using
an inertial high‐precision ground‐rotation sensor installed at the Laser Interferometer …

High-accuracy ring laser gyroscopes: Earth rotation rate and relativistic effects

N Beverini, A Di Virgilio, J Belfi, A Ortolan… - Journal of Physics …, 2016 - iopscience.iop.org
Abstract The Gross Ring G is a square ring laser gyroscope, built as a monolithic Zerodur
structure with 4 m length on all sides. It has demonstrated that a large ring laser provides a …