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    Technology of replication for aspherical (project of National Natural Science Foundation of China)
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    Update time: 2009-09-01
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     It was  checked and accepted by specialist group on 30th,January,2008。

     two ellipsoid mirrors with aperture 400mm,f/1.62 were replicated firstly in China,twice replication technology were adopted in order to solve the difficult problem for testing of master mould of convex aspherical surface。

      

    Nanjing Institute of Astronomical Optics & Technology ,National Astronomical Observatories ,CAS