The latest technological advances make a requirement of overstepping the traditional understanding of PSF/MTF calculations, where a perfectly round aperture is assumed to be homogeneously illuminated. VirtualLab Fusion envisages fast calculation of realistic PSFs/MTFs
for arbitrarily shaped apertures
for inhomogeneous illumination of the aperture
for high-NA systems
for off-axis incidence
automatically including vectorial effects
VirtualLab Fusion is able to produce these results in both ray tracing and physical optics form.
Influence of different apertures on point spread function (PSF) and modulation transfer function (MTF) in focal plane
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