Centroids analysis for circle of confusion in reverse Hartmann test

Zhao Zhu^{1, 2}, Hui Mei^{1, 2, †}, Xia Zheng-Zheng^{1, 2}, Zhao Yue-Jin^{1, 2}

Sample patterns recorded on imaging detector in RHT. (a) Enlarged drawing of a spot; (b), (c) Enlarged drawing of partial fringe patterns in x (horizontal) and y (vertical) directions.