Film thickness characterization in dual-axis spin coating of a sphere Finn McIntyre, Mathieu Sellier, Shayne Gooch and Volker Nock Eur. Phys. J. Spec. Top., 233 8-9 (2024) 1637-1651 Published online: 31 May 2024 DOI: 10.1140/epjs/s11734-024-01153-y