The sparse subaperture stitching, the accuracy of which is closely related to the arrangement, number and size of subapertures, is one of the main methods of quality testing for large aperture optical systems. A mathematical model was established to deduce the relation curve between the subaperture number k and fill factor M when the value of k ranges from one to infinity. As a result, the optimal arrangement layout, consisting of seven sparse subapertures, was obtained for the detection systems below 1.5 m. Autocollimation interference detection of Φ200 mm validated the rationality of the arrangement.
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Opto-Electronic Engineering
ISSN: 1003-501X
CN: 51-1346/O4
Monthly, included in CA, Scopus, CSCD
CN: 51-1346/O4
Monthly, included in CA, Scopus, CSCD
Optimization of sparse subaperture array model for stitching detection of plane wavefront
Author Affiliations
Correspondence: luoqian_yy@163.com
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References
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Key Project of the National Key Research and Development Plan for Earth Observation and Navigation (2016YFB0500200)
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Luo Qian, Wu Shibin, Wang Lihua, et al. Optimization of sparse subaperture array model for stitching detection of plane wavefront[J]. Opto-Electronic Engineering, 2018, 45(5): 170638.
