Abstract:The paper is aimed at obtaining the deformation results and optical aberration configurations of a spaceborne mirror made of ZERODUR ® glass on a main plate with three isostatic mounts for a space Cassegrain telescope. On the rear side of the main plate four screws will be locked to fix the focal plane assembly. The locking modes for the four screws will be simulated as push and pull motions in the Z axis for simplification. The finite element analysis and Zernike polynomial fitting are applied to the whole in… Show more
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