We suggest a novel experimental method to search for axion dark matter with an optical ring cavity. Our cavity measures the difference of the resonant frequencies between two circular-polarizations of the laser beam. Its technical design adopts double-pass configuration to realize a null experiment and reject environmental common-mode noises. We reveal that it can probe the axion-photon coupling constant with a broad range of axion mass 10−17eV≲m≲10−10eV, up to several orders of magnitude beyond the current limits. We expect that this cavity experiment establishes a new window to develop the axion research.
@article{arxiv.1811.12051,
title = {Axion Search with Ring Cavity Experiment},
author = {Ippei Obata and Tomohiro Fujita and Yuta Michimura},
journal= {arXiv preprint arXiv:1811.12051},
year = {2018}
}
Comments
4 pages, 2 figures. Based on our previous paper arXiv:1805.11753. Contributed to the 14th Patras Workshop on Axions, WIMPs and WISPs, DESY in Hamburg, June 18 to 22, 2018