In order to demonstrate the feasibility of a compact telescope with both wide field of view and high resolution, a demonstration model has been built and tested at CNES. This 1.08-m focal length, f/6 three-mirror anastigmat telescope has excellent image quality over its whole 8.4 degree x 1.4 degree field of view: modulation transfer function is about 0.54 77 1p.mm-1 (detector Nyquist frequency). The focal plane comprises two channels, one panchromatic with 24 000 pixels and one multispectral with 12 000 pixels in each of its 3 spectral bands. The whole telescope (mirrors, structure, baffles and focal plane) weighs less than 45 kg. The conception has been done in order to favor structure simplicity and short alignment time while retaining high stability and good image quality. The first part of this paper will focus on the instrument design, and the second part on the manufacturing and test results.


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    Title :

    Feasibility demonstration of a high performance compact telescope


    Contributors:
    Laubier, D. (author) / Albouys, V. (author) / Berthon, J. (author) / Bouzou, N. (author) / Bret-Dibat, T. (author) / Etcheto, P. (author) / Mercier, K. (author)


    Publication date :

    2000


    Size :

    8 Seiten, 2 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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