Maximising the mid-infrared high-contrast performance of ELT/METIS despite water vapour seeing

Olivier Absil, Gilles Orban de Xivry, Prashant Pathak +7

The Mid-infrared ELT Imager and Spectrograph (METIS) will be equipped with a SCAO system delivering Strehl ratios above 90% at L band (3.5 - 4.1 um) and close to 99% at N band (8 -…