Combination of skip-flat test with Ritchey-Common test for the large rectangular flat

Linchao Zhang; Bin Xuan; Jingjiang Xie

doi:10.1117/12.867490

12 October 2010 Combination of skip-flat test with Ritchey-Common test for the large rectangular flat

Linchao Zhang, Bin Xuan, Jingjiang Xie

Proceedings Volume 7656, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 76564W (2010) https://doi.org/10.1117/12.867490
Event: 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies, 2010, Dalian, China

Abstract

The Skip-Flat test and Ritchey-Common test are the well-known methods for large flat mirrors measurement. This paper describes the theories of two methods. The combination of the Skip-Flat test with Ritchey-Common test is proposed. Simulations and experiments of the combination method for testing the large rectangular flat of high aspect ratio are shown. The results of the combination test and direct measurement are presented. In comparison of the methods, the combination test is in good agreement with the direct measurement.

Citation Download Citation

Linchao Zhang, Bin Xuan, and Jingjiang Xie "Combination of skip-flat test with Ritchey-Common test for the large rectangular flat", Proc. SPIE 7656, 5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 76564W (12 October 2010); https://doi.org/10.1117/12.867490

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