4 papers
Operating the Fabry-Pérot systems of the European Solar Telescope in multi-aperture mode
G. B. Scharmer, M. G. Löfdahl, J. de la Cruz Rodríguez +5
We discuss how to optimise the science output of the European Solar Telescope (EST), when used without the wide-field compensation for high-altitude seeing that the EST multi conju…
Characterization of telecentric dual-etalon Fabry-Pérot systems from observational data. Properties of the CRISP2 instrument at the Swedish 1-m Solar Telescope
J. de la Cruz Rodríguez, G. B. Scharmer, P. Sütterlin +5
Imaging Fabry-Pérot Interferometer (FPI) observations are commonly used in solar physics to infer physical parameters in the photosphere and chromosphere through modeling of the ob…
The making of robust and highly performing imaging spectropolarimeters for large solar telescopes
G. B. Scharmer, J. de la Cruz Rodríguez, J. Leenaarts +7
We discuss the requirements, concepts, simulations, implementation, and calibration of two dual Fabry-Perot based imaging spectropolarimeters, CRISP and CHROMIS, at the Swedish 1-m…
High flow speeds and transition-region like temperatures in the solar chromosphere during flux emergence
J. Leenaarts, M. van Noort, J. de la Cruz Rodríguez +7
Context: Flux emergence in the solar atmosphere is a complex process that causes a release of magnetic energy as heat and acceleration of solar plasma at a variety of spatial scale…