Optimal collection of radiation emitted by a trapped atomic ensembleÁrpád Kurkó, Peter Domokos, András Vukics, Thomas Bækkegaard, Nikolaj Thomas Zinner, József Fortágh and David PetrosyanEPJ Quantum Technol., 8 1 (2021) 11DOI: https://doi.org/10.1140/epjqt/s40507-021-00102-1