The Ariel Payload Design post-PDR - Eccleston, P; Caldwell, A; Bishop, G; Desjonqueres, L; Drummond, R; Davidson, A; Whalley, M; Caldwell, M; Pearson, C; Simpson, C; Fok, S; Bruzzi, D; et al. (Proceedings Of Spie - The International Society For Optical Engineering, 2024)