The detection of cluster magnetic fields via radio source depolarisation E. Osinga, R. J. van Weeren, F. Andrade-Santos, L. Rudnick, A. Bonafede, T. Clarke, K. Duncan, S. Giacintucci, T. Mroczkowski and H. J. A. Röttgering A&A, 665 (2022) A71 Published online: 09 September 2022 DOI: 10.1051/0004-6361/202243526