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INTRODUCTION
A perfect optical instrument transforms a plane or spherical incident
wave surface into a wave surface that is usually spherical. Aberrations
or defects in the component surfaces alter the shape of the emerging
wave: the wave oscillates on either side of a mean sphere. Shape deviations
must be within the tolerances defined by the computer. The means of
controlling optical surface defects are presented here.
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EDITIONS
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Optical surfaces: defect modeling and control