Four commonly used figure error reduction methods for aspheric surface error in a non-null test are discussed and compared. Simulations are presented to show the behaviors of the four methods in the case of testing a deep aspheric with large figure error in a non-null test.
© 2014 OSA
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(120.6650) Instrumentation, measurement, and metrology : Surface measurements, figure
(220.1250) Optical design and fabrication : Aspherics
T. Shi, D. Liu, L. Zhang, Y. Yang, and Y. Shen, "Comparation of Non-null Figure Error Reduction Methods in Testing Deep Aspherics with Large Errors," in Classical Optics 2014, OSA Technical Digest (online) (Optical Society of America, 2014), paper JTu5A.45.
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