# Optical Ring Cavity Search for Axion Dark Matter.

@article{Obata2018OpticalRC,
title={Optical Ring Cavity Search for Axion Dark Matter.},
author={Ippei Obata and Tomohiro Fujita and Yuta Michimura},
journal={Physical review letters},
year={2018},
volume={121 16},
pages={
161301
}
}
• Published 30 May 2018
• Physics
• Physical review letters
We propose a novel experiment to search for axion dark matter that differentiates the phase velocities of the left- and right-handed polarized photons. Our optical cavity measures the difference of the resonant frequencies between two circular polarizations of the laser beam. The design of our cavity adopts a double-pass configuration to realize a null experiment and give a high common mode rejection of environmental disturbances. We estimate the potential sensitivity to the axion-photon…
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