Description
The Interferometric BIdimensional Spectrometer IBIS 2.0 instrument combines two tunable Fabry-Pérot interferometers, narrowband interference filters, a polarimetric unit, and a proper instrument control to perform high-resolution solar spectro-polarimetric observations with short exposures and high cadence. IBIS 2.0 is planned to enter operation over the spectral range 580-860 nm at the Teide Observatory in 2023. We present the final layout adopted for IBIS 2.0 and for its polarimetric unit, which is realized with Liquid Crystals Variable Retarders and a Wollaston prism acting as a Polarizing Beam Splitter. We also present the Control System of IBIS 2.0, which is based on Beckhoff PLC and ESO VLT Control Software to allow for automated and remote operations of IBIS 2.0.
Authors: Giorgio Viavattene, Ilaria Ermolli, Roberto Cirami, Giorgio Calderone, Dario Del Moro, Paolo Romano, Matteo Aliverti, Veronica Baldini, Fabrizio Giorgi, Fernando Pedichini, Igor Coretti, Paolo Di Marcantonio, Luca Giovannelli, Salvatore Luigi Guglielmino, Mariarita Murabito, Luca Oggioni, Maurizio Oliviero, Roberto Piazzesi, Edoardo Maria Alberto Redaelli
