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

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Lindlein,  Norbert
Max Planck Research Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Harder,  Irina
Max Planck Research Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Mantel,  Klaus
Max Planck Research Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Schwider,  Johannes
Max Planck Research Group, Max Planck Institute for the Science of Light, Max Planck Society;

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Citation

Lindlein, N., Wunderlich, S., Harder, I., Mantel, K., Lano, M., & Schwider, J. (2008). Wave-optical simulation of a grating lateral shearing interferometer with a periodic incoherent light source. In PHOTON MANAGEMENT III. 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA: SPIE-INT SOC OPTICAL ENGINEERING. doi:10.1117/12.783245.


Cite as: https://hdl.handle.net/11858/00-001M-0000-002D-6CF4-1
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.