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Left: A spatially and angularly dense phantom—uniformly spaced disks with varying size (increasing D from bottom to top) and double cone half angle (increasing ∆ from left to right) Center: Scaled irradiance for an imaging system with NA = 0.75, λ = 500 nm, and no = 1.33 sampled at 20× the Nyquist rate. Right: x profiles through the scaled irradiance.
