Centroid error due to non-uniform lenslet illumination in the Shack-Hartmann wavefront sensor.
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DOI: 10.1364/ol.44.004167
Abstract: Images formed by individual Shack-Hartmann wavefront sensor lenslets are displaced proportionally to the average wavefront slope over their aperture. This principle fails when the lenslet illumination is non-uniform. Here we demonstrate that the resulting error… read more here.
Keywords: error due; lenslet; non uniform; illumination ... See more keywords