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Aberration extraction in the Hartmann test by use of spatial filters

Carlos Robledo-Sánchez, Gilberto Camacho-Basilio, Alberto Jaramillo-Núñez, and David Gale

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Abstract

Using a computer, we generated a set of filters to aid in the retrieval of aberration functions from Hartmanngrams. These filters consist of discrete two-dimensional data points, like the Hartmanngrams themselves, and are orthogonalized by the Gram–Schmidt procedure. The aberration coefficients are obtained by calculation of the scalar product of the Hartmanngram and each orthogonal filter.

© 1999 Optical Society of America

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