25 April 2008 Wave-optical simulation of a grating lateral shearing interferometer with a periodic incoherent light source
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Abstract
A quite simple numerical model for the wave-optical simulation of the interference in a grating lateral shearing interferometer with a periodic light source and a large lateral shear is presented. Aberrations of the collimating lens will generate a spatially varying modulation in the interference pattern. The model assumes that the light source itself is completely spatially incoherent so that only the light from each point of the light source has to be propagated wave-optically through the optical system. Then, the intensity distributions of all light source points in the detector plane can just be added. The simulations are compared to theoretical calculations of partial coherence theory and also to experimental results.
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Norbert Lindlein, Norbert Lindlein, Sarina Wunderlich, Sarina Wunderlich, Irina Harder, Irina Harder, Klaus Mantel, Klaus Mantel, Maik Lano, Maik Lano, Johannes Schwider, Johannes Schwider, } "Wave-optical simulation of a grating lateral shearing interferometer with a periodic incoherent light source", Proc. SPIE 6994, Photon Management III, 699407 (25 April 2008); doi: 10.1117/12.783245; https://doi.org/10.1117/12.783245
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