Point Spread Functions of Defocused Optical Systems with Hanning Amplitude Filters
|K. Vinod Kumar1, B. Sambaiah2, D. Karuna Sagar3 and R. Sayanna4
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The point spread function of defocused optical systems in the presence of primary spherical aberration has been investigated. Significant reduction in the intensity of the central lobe along with the existence of non-zero first minimum results in a severe restriction for Rayleigh criterion to be applied for two-point resolution studies for these systems.