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Zernike polynomial  

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  • In mathematics, the Zernike polynomials are a sequence of polynomials that are orthogonal on the unit disk. Named after optical physicist Frits Zernike, winner of the 1953 Nobel Prize in Physics and the inventor of phase-contrast microscopy, they play important roles in various optics branches such as beam optics and imaging. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Zernike_polynomials)

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http://data.loterre.fr/ark:/67375/MDL-C1Q12FZV-D

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