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Optical design of a compact telescope for the next generation Earth observation system

Guillaume Cassar, Vincent Costes, Laurent Escarrat, Errico Armandillo, Nikos Karafolas, Bruno Cugny
2017 International Conference on Space Optics — ICSO 2012  
High resolution earth observing systems need bigger and bigger telescopes. The design of such telescopes is a key element for the satellite design. In order to improve the imaging resolution with minimum impact on the satellite, a big step must be made to improve the compactness of the telescope. This paper describes the comparative study of several compact optical designs. This compactness increases drastically the sensitivity of the telescope. The optical designs, their sensitivity, their
more » ... sitivity, their performances, the need to implement active optics are discussed.
doi:10.1117/12.2309055 fatcat:ney3tdhcb5c4nacroujjcc7p3y