project Four-mirror anastigmat for earth imaging

Four-mirror anastigmat prototyping and validation

AMOS developed for the ESA Earth Observation directorate the concept of a four-mirror telescope with a wide field-of-view (26° * 4°) and an overall wavefront quality better than 100 nm rms over this field.

This development leads to the fabrication and testing of a prototype totally representative of a flight model. It includes two SiC mirrors and two zerodur mirrors.