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Fabry-Pérot etalons in solar astronomy. A review

del Toro Iniesta, J. C.; Orozco Suárez, D.; Bailén, F. J.

During the last decades, the use of Fabry-Pérot etalons as filtergraphs has become frequent in solar instruments. The main reason is that they stand out for offering quasi-monochromatic, two-dimensional fields of view much higher than those provided by conventional slit-based spectrographs in a given time interval. Unfortunately, they also present…