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19 July 2010 Interference testing methods of large astronomical mirrors base on lenses and CGH wavefront correctors
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Since last years and at present days LZOS, JSC has been producing a range of primary mirrors of astronomical telescopes with diameter more than 1m under contracts with foreign companies. Simultaneous testing of an aspherical surface figure by means of a lens corrector and CGH (computer generated hologram) corrector, testing of the corrector using the CGH allow challenging the task of definite testing of the mirrors surfaces figure. The results of successful figuring of the mirrors with diameter up to 4m like VISTA Project (Southern European Observatory), TNT (Thai National telescope, Australia - Thailand), LCO telescopes (Las Cumbres Observatory, USA) and Russian national projects and meeting these mirrors specifications' requirements are all considered as the sufficient evidence.
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Magomed A. Abdulkadyrov, Sergey P. Belousov, Vladimir E. Patrikeev, and Alexandr P. Semenov "Interference testing methods of large astronomical mirrors base on lenses and CGH wavefront correctors", Proc. SPIE 7739, Modern Technologies in Space- and Ground-based Telescopes and Instrumentation, 77390P (19 July 2010);


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