Volume 4 Issue 3
Jun.  2011
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WANG Ru-dong, WANG Ping, TIAN Wei, WANG Li-peng, SUI Yong-xin, YANG Huai-jiang. Design and analysis of compensation of large aperture optical element for gravity deformation[J]. Chinese Optics, 2011, 4(3): 259-263.
Citation: WANG Ru-dong, WANG Ping, TIAN Wei, WANG Li-peng, SUI Yong-xin, YANG Huai-jiang. Design and analysis of compensation of large aperture optical element for gravity deformation[J]. Chinese Optics, 2011, 4(3): 259-263.

Design and analysis of compensation of large aperture optical element for gravity deformation

  • Received Date: 11 Jan 2011
  • Rev Recd Date: 13 Mar 2011
  • Publish Date: 25 Jun 2011
  • According to elastic shell theory, several kinds of theoretical models of large aperture optical elements were established. A compensation method for the gravity deformation from a large aperture optical element was presented. With the method, the torque was applied at the edge of a lens frame to generate flexible deformation to offset the gravity deformation. An analysis model of the large aperture optical element with the frame was proposed, and it proves that the flexible deformation of optical element can effectively eliminate the influence of gravity deformation on the optical cell through optimizing the magnitude of force and the positions of support points.

     

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