@inproceedings{schlichenmaier_effects_2022,
	title = {Effects of solar evolution on finite acquisition time of {Fabry}-{Perot}-{Interferometers} in high resolution solar physics},
	url = {https://ui.adsabs.harvard.edu/abs/2022eas..conf.1027S},
	abstract = {The Fabry-Perot Interferometer VTF (Visible Tunable Filter) will operate at the Daniel K. Inouye Solar Telescope (DKIST) in Hawaii. At the diffraction limit of some 0.03 arcsec the solar scene evolves during the finite acquisition time of VTF thereby affecting the measurement process. This results in errors of deduced physical parameters. We estimate those errors and investigate ways of minimizing them. We mimic the Sun using a magneto-hydrodynamic simulation of the solar surface with a spatially averaged field strength of 200 G. We simulate the measurement process – successive wavelength points have a temporal cadence of 1 s – by synthesising the line Fe I 617.3 nm for corresponding snapshots. Milne-Eddington inversions are used to infer the physical parameters. This enables us to quantify systematic errors caused by the finite acquisition time. At full spatial resolution, systematic errors due to the finite acquisition time are significant. In this contribution we will quantify the errors that arise through the measurement process, and we will propose a new calibration scheme which reduces the measurement errors by taking into account the simultaneous broad-band band images.},
	author = {Schlichenmaier, Rolf and Pitters, Daniel and Borrero, Juan Manuel},
	month = jul,
	year = {2022},
	pages = {1027},
}

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