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Improved robustness of Hartmann wavefront sensor using a principal component analysis algorithm

✍ Scribed by Tan, Zuojun

Book ID
120635241
Publisher
The International Society for Optical Engineering
Year
2009
Tongue
English
Weight
214 KB
Volume
48
Category
Article
ISSN
0091-3286

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The accuracy of the Shack-Hartmann wavefront sensor for measuring the wavefront distortion is mainly dependent upon the measuring accuracy of the centroid of each spot. A modified center detection algorithm, which uses some power from the photon events of each pixel instead of photon events themselv