PREDNASAJUCI / LECTURER : Ján Rybák (1) Astronomical Institute, Slovak Academy of Sciences, 059 60 Tatranská Lomnica NAZOV / TITLE : The CoMP-S/LSO instrument: polarimetric calibration - status report ABSTRAKT / ABSTRACT : The lecture will report on the polarimetric calibration of the CoMP-S instrument used at the Lomnicky Stit Observatory for spectro-polarimetric observations of the solar prominences and the emission corona. Results of different test measurements performed analyzed with new modeling developments applied to the polarimetric calibration procedure will be presented.