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Evaluation of the performance of centroiding algorithms with varying spot size: case of WFS calibration for the TMT NFIRAOS

Evaluation of the performance of centroiding algorithms with varying spot size: case of WFS calibration for the TMT NFIRAOS

Vyas, A; Ellerbroek, B. L; Roopashree, M. B; Andersen, D. R; Prasad, B. R
URI: http://hdl.handle.net/2248/5530
Date: 2011-07

Abstract:

In this AO system, a low-bandwidth truth wavefront sensor detects biases in the laser-guide-star-based wavefront measurement, arising from uncertainties in the sodium layer profile. Here, the performance of centroiding algorithms was compared.

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