New L-band AGPMs see first light at LBT

A couple of new L-band AGPMs, combined with new custom-made Lyot stops, saw first light on Xmas day at the Large Binocular Telescope (Mt Graham, AZ). Each of the two 8-m apertures of the LBT were focused separately on the two vortex phase masks. The rejection ratio now reaches an impressive 80:1. Let us now hope that this wonderful combination of exquisite AO correction and vortex coronagraphy will be used for ground-breaking scientific observations!

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