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

Akondi Vyas, Brent L. Ellerbroek, M. B. Roopashree, David R. Andersen, and B. Raghavendra Prasad

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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.

© 2011 Optical Society of America

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