Wave-optical simulation of a grating lateral shearing interferometer with a periodic incoherent light source

Norbert Lindlein; Sarina Wunderlich; Irina Harder; Klaus Mantel; Maik Lano; Johannes Schwider

doi:10.1117/12.783245

25 April 2008 Wave-optical simulation of a grating lateral shearing interferometer with a periodic incoherent light source

Norbert Lindlein, Sarina Wunderlich, Irina Harder, Klaus Mantel, Maik Lano, Johannes Schwider

Author Affiliations +

Proceedings Volume 6994, Photon Management III; 699407 (2008) https://doi.org/10.1117/12.783245
Event: SPIE Photonics Europe, 2008, Strasbourg, France

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.

Citation Download Citation

Norbert Lindlein, Sarina Wunderlich, Irina Harder, Klaus Mantel, Maik Lano, and 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); https://doi.org/10.1117/12.783245

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