LI Hong-zhuang, WANG Zhi-chen, LIU Xin-yue, WEI Pei-feng, MING Ming, MENG Hao-ran. Application of Shack-Hartmann wavefront sensor in optical testing[J]. Journal of Applied Optics, 2012, 33(1): 134-138.
Citation: LI Hong-zhuang, WANG Zhi-chen, LIU Xin-yue, WEI Pei-feng, MING Ming, MENG Hao-ran. Application of Shack-Hartmann wavefront sensor in optical testing[J]. Journal of Applied Optics, 2012, 33(1): 134-138.

Application of Shack-Hartmann wavefront sensor in optical testing

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  • Shack-Hartmann (S-H) wavefront sensors were developed for optical test and the corresponding experiment results are introduced. In the laboratory, the test results were compared with Zygo interferometer, which showed that the accuracy of the S-H sensor was better than /50 RMS. And using star as light source, the wavefront error of the telescope with 1m diameter and 11m focal length was tested through the S-H sensor. The results show that the wavefront error of the telescope is about 0.39~ 0.46 RMS, and the error inceases as the elevation angle of the telescope increases. The dominating wave-front error is 3rd astigmatism.
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