Mach-Zehnder interferometer with absorbing Fabry-P\'erot cavities

TL;DR

This paper explores a Mach-Zehnder interferometer incorporating absorbing Fabry-Pérot cavities to measure phase shifts caused by rotation and conductivity changes in a conducting medium, with experimental validation.

Contribution

It introduces a novel interferometric setup combining absorbing Fabry-Pérot cavities to detect phase differences from rotation and conductivity variations.

Findings

Successful measurement of phase differences due to rotation.

Demonstrated sensitivity to conductivity changes in the medium.

Experimental results align with theoretical predictions.

Abstract

A Mach-Zehnder interferometer with absorbing Fabry-P\'{e}rot cavities is used to measure the optical phase differences upon rotation around a vertical axis. The details of the expected experimental results are described based on the idea that a conducting medium can introduce phase differences due to changes in material conductivity that are expected to occur when a medium moves with respect to a reference frame. Experimental details and results are discussed.