Feature-based characterization and extraction of ripple errors over the large square aperture.
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DOI: 10.1364/oe.418491
Abstract: Freeform surfaces play an important role in modern optical systems with compactness and better performance. The fabrication tools tend to impart a structured signature on optical surfaces, called ripple errors, during the freeform surface manufacturing… read more here.
Keywords: errors large; ripple errors; surface; extraction ripple ... See more keywords
Limiting saddlepoint relative errors in large deviation regions under purely Tauberian conditions
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DOI: 10.3150/18-bej1093
Abstract: Most theoretical results on the relative errors of saddlepoint approximations in the extreme tails have involved placing conditions on the density/mass function. Checking the validity of such conditions is problematic when density/mass functions are intractable,… read more here.
Keywords: density mass; saddlepoint relative; limiting saddlepoint; purely tauberian ... See more keywords