Lens-less in-line holography through multiple-determined masks Ahsan Mehmood, Iqra Bashir, Aqiba Hafeez and Anwar Hussain Eur. Phys. J. Plus, 137 6 (2022) 723 Published online: 22 June 2022 DOI: 10.1140/epjp/s13360-022-02933-y