Characterization of telecentric dual-etalon Fabry-Pérot systems from observational data. Properties of the CRISP2 instrument at the Swedish 1-m Solar Telescope

This article focuses on the characterization of a specific optical system (telecentric dual-etalon Fabry-Pérot) using observational data. It also details the properties of the CRISP2 instrument, which is used at the Swedish 1-m Solar Telescope. The research likely involves analyzing data to understand and improve the performance of the instrument for solar observations.