Towards a multi-channel zero-field optically pumped magnetometer for imaging Ronja Rasser, Peter A. Koss, Svenja Knappe and Karsten Buse EPJ Quantum Technol., 12 1 (2025) 101 Published online: 13 August 2025 DOI: 10.1140/epjqt/s40507-025-00400-y