Using exact equations in PSF calculations

Jean-Claude Perrin

doi:10.1117/12.360058

27 August 1999 Using exact equations in PSF calculations

Jean-Claude Perrin

Proceedings Volume 3737, Design and Engineering of Optical Systems II; (1999) https://doi.org/10.1117/12.360058
Event: Optical Systems Design and Production, 1999, Berlin, Germany

Abstract

We are interested in calculating precisely the PSR far from its maximum, where the maxima of the irradiance are falling to 1E-06, or less. The first and most used method consist in calculating the Fourier transform of the wavefront using the Fast Fourier Transform algorithm (FFT). Another method is using the beam superposition technique (BST) to decompose the wavefront in Gaussian beams, propagate those beams, and recompose to obtain the result. The third method is to apply the exact equations derived at the end of last century and described in reference books like Born and Wolf or Marechel and Francon. We shall compare the result obtained with the three methods, FFT, BST, and exact calculation in the case of a F/3 system working at 4000 nm, in focus and in presence of small defocusing.

Citation Download Citation

Jean-Claude Perrin "Using exact equations in PSF calculations", Proc. SPIE 3737, Design and Engineering of Optical Systems II, (27 August 1999); https://doi.org/10.1117/12.360058

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