Chinese Optics Letters, Volume. 13, Issue Suppl., S22207(2015)

Processes and technologies in fabrication of a large-scale freeform silicon carbide space-borne mirror

Zhiyu Zhang*
Author Affiliations
  • Changchun Institute of Optics, Fine Mechanics, and Physics, Chinese Academy of Sciences, Changchun 130033, China
  • show less
    Figures & Tables(6)
    (a) Freeform surface model based on a Zernike polynomial; (b) fitted CAD model.
    Spiral center: (a) on the workpiece surface; (b) out of the workpiece surface.
    Schematic of the inclined-axis rotary ultrasonic grinding method.
    Grinding of the freeform SiC mirror: (a) machine tool; (b) testing of shape error; (c) machining results.
    CNC lapping and polishing of the freeform silicon carbide mirror: (a) photo of machine; (b) convergence rate of surface error with lapping cycles.
    (a) Testing optical path; (b) region function distribution of CGH; (c) photo of CGH; (d) testing results.
    Tools

    Get Citation

    Copy Citation Text

    Zhiyu Zhang. Processes and technologies in fabrication of a large-scale freeform silicon carbide space-borne mirror[J]. Chinese Optics Letters, 2015, 13(Suppl.): S22207

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: Optical Design and Fabrication

    Received: Jan. 6, 2015

    Accepted: Mar. 10, 2015

    Published Online: Aug. 8, 2018

    The Author Email: Zhiyu Zhang (zhangzhiyu@ciomp.ac.cn)

    DOI:10.3788/COL201513.S22207

    Topics