Future scientific space missions require ever more demanding large optics that work at cryogenic temperatures. In the frame of a Darwin assessment study conducted under ESA contract by TAS, the need of future very lightweight cryogenic mirrors with superior optical quality has been identified. Such mirrors need to be of size up to 3.5 m in diameter, with a mass of less than 250 kg (i.e. 25 kg/m2) and possess excellent optical quality at cryogenic temperature down to 40 K.


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    Title :

    Super-light-weighted HB-Cesic® mirror cryogenic test


    Contributors:

    Conference:

    International Conference on Space Optics — ICSO 2010 ; 2010 ; Rhodes Island,Greece


    Published in:

    Proc. SPIE ; 10565


    Publication date :

    2017-11-20





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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