Journal
OPTICS COMMUNICATIONS
Volume 268, Issue 2, Pages 189-195Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.optcom.2006.07.011
Keywords
adaptive optics; Shack-Hartmann wavefront sensor; pyramid wavefront sensor; quad-cell
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The performance of two wavefront sensors, the Shack-Hartmann and the pyramid wavefront sensor, for use in a closed-loop adaptive optics system, are compared. Their theoretical performance is derived and compared to simulations. We quantify the advantages of the pyramid sensor under normal operating conditions, and discuss the possibilities of achieving this in practice. (c) 2006 Elsevier B.V. All rights reserved.
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