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Pinhole Modeling in a Low-Fresnel-Number System


Modeling of imaging systems with low Fresnel numbers is known to be challenging. In such systems, the light propagation is greatly determined by diffraction, and, to correctly model the complete system, possible diffractions at multiple surfaces and apertures must be considered. With the Fourier transform settings in VirtualLab Fusion, the inclusion of such diffraction effects can be adjusted flexibly. In this example, we show effect of the diffraction due to lens apertures and pinhole inside a low-Fresnel-number system.

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