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26 November 2012 Experimental techniques for aberration retrieval with through-focus intensity images
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Measurement techniques to determine the aberration of an optical system, by obtaining through-focus intensity images that are produced when the object is a point source at infinity, are shown. The analysis of the aberrations is made using the extended version of the Nijboer-Zernike diffraction theory. This theory provides a semi analytical solution of the Debye diffraction integral and thus a direct relation between the intensity distribution of the field at the focal region and the exit pupil of the optical system.
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S. F. Pereira, A. Wiegmann, N. Kumar, A. da Costa Assafrao, A. Polo, L. Wei, and S. van Haver "Experimental techniques for aberration retrieval with through-focus intensity images", Proc. SPIE 8557, Optical Design and Testing V, 855706 (26 November 2012);

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