The sensitivity achieved by large ring-laser gyroscopes will make it possible to detect faint relativistic eects related to the rotation of the Earth's mass. This task requires a strict control of the ring cavity geometry (shape and orientation), which can be performed by a novel network of portable heterodyne interferometers, capable of measuring the absolute distance betweeen two retro-reflectors with a nominal accuracy better than 1nm. First steps have been taken towards the realization of this device and a starting prototype of distance gauge is under development and test.

A network of heterodyne laser interferometers for monitoring and control of large ring-lasers

DONAZZAN, ALBERTO;NALETTO, GIAMPIERO;Pelizzo, Maria G.;CUCCATO, DAVIDE;BEGHI, ALESSANDRO;
2016

Abstract

The sensitivity achieved by large ring-laser gyroscopes will make it possible to detect faint relativistic eects related to the rotation of the Earth's mass. This task requires a strict control of the ring cavity geometry (shape and orientation), which can be performed by a novel network of portable heterodyne interferometers, capable of measuring the absolute distance betweeen two retro-reflectors with a nominal accuracy better than 1nm. First steps have been taken towards the realization of this device and a starting prototype of distance gauge is under development and test.
2016
Interferometry XVIII
9781510603110
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11577/3214887
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