Designing wavelength sampling for Fabry–Pérot observations - Information-based spectral sampling C. J. Díaz Baso, L. Rouppe van der Voort, J. de la Cruz Rodríguez and J. Leenaarts A&A, 673 (2023) A35 Published online: 03 May 2023 DOI: 10.1051/0004-6361/202346230