Testing of an off-axis parabolic mirror based on hybrid compensation technology

Lisong Yan; Donglin Ma D.D.S.; Ximeng Han D.D.S.; Yongliang Jiang D.D.S.; Li Qiang D.D.S.; Weicai Xu D.D.S.; Yulei Wang D.D.S.; Yongying Yang D.D.S.; Dong Liu D.D.S.

doi:10.1117/12.2284389

24 October 2017 Testing of an off-axis parabolic mirror based on hybrid compensation technology

Lisong Yan, Donglin Ma D.D.S., Ximeng Han D.D.S., Yongliang Jiang D.D.S., Li Qiang D.D.S., Weicai Xu D.D.S., Yulei Wang D.D.S., Yongying Yang D.D.S., Dong Liu D.D.S.

Author Affiliations +

Proceedings Volume 10463, AOPC 2017: Space Optics and Earth Imaging and Space Navigation; 1046314 (2017) https://doi.org/10.1117/12.2284389
Event: Applied Optics and Photonics China (AOPC2017), 2017, Beijing, China

Abstract

To accomplish the interference testing to an off-axis parabolic mirror, we provided a kind of hybrid compensation modal combining compensator with stitching testing. To verify the validity of the above modal, we measured a Φ1450mm off-axis parabolic mirror with the above method. It can be seen from the stitching map that the stitching map is smooth and continuous in the full aperture. At the same time, to evaluate the stitching testing accuracy, we compared the stitching testing map and the subaperture testing map. It shows that the RMS of the residual map between them is 0.003λ, verifying the validity and accuracy of the model.

Citation Download Citation

Lisong Yan, Donglin Ma D.D.S., Ximeng Han D.D.S., Yongliang Jiang D.D.S., Li Qiang D.D.S., Weicai Xu D.D.S., Yulei Wang D.D.S., Yongying Yang D.D.S., and Dong Liu D.D.S. "Testing of an off-axis parabolic mirror based on hybrid compensation technology", Proc. SPIE 10463, AOPC 2017: Space Optics and Earth Imaging and Space Navigation, 1046314 (24 October 2017); https://doi.org/10.1117/12.2284389

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