Ronchi test using overlapping averaging 4-frame algorithm

Lei Chen; Jinbang Chen; Rihong Zhu; Qingyun Wang; Hui W. Liu; Yiguang Zhang

doi:10.1117/12.165478

10 December 1993 Ronchi test using overlapping averaging 4-frame algorithm

Lei Chen, Jinbang Chen, Rihong Zhu, Qingyun Wang, Hui W. Liu, Yiguang Zhang

Proceedings Volume 2003, Interferometry VI: Techniques and Analysis; (1993) https://doi.org/10.1117/12.165478
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

An automatic technique to process Ronchigrams is presented. The phase shifting error introduced by a phase shifter is reduced using overlapping averaging four-frame algorithm. A standard plano-convex lens is tested to verify the accuracy of this technique.

Citation Download Citation

Lei Chen, Jinbang Chen, Rihong Zhu, Qingyun Wang, Hui W. Liu, and Yiguang Zhang "Ronchi test using overlapping averaging 4-frame algorithm", Proc. SPIE 2003, Interferometry VI: Techniques and Analysis, (10 December 1993); https://doi.org/10.1117/12.165478

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