High-accuracy measurement of the focal length and distortion of optical systems based on interferometry.
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DOI: 10.1364/ao.57.005217
Abstract: A figure measuring interferometer (FMI) method is proposed for high-accuracy measurement of the focal length and distortion of optical systems simultaneously. FMI uses the Zernike coefficients of interference fringe to identify the image point position… read more here.
Keywords: length distortion; measurement focal; focal length; high accuracy ... See more keywords