An apodization function can be used to remove these features from an image. For 10 points each:
[10h] Name these features which consist of a bright central region surrounded by concentric rings due to the diffraction of light by a circular aperture.
ANSWER: Airy disks [or Airy patterns]
[10e] An Airy disk is the limit of how well a perfect one of these objects can focus light. These objects, typically made of glass, have their strength measured in diopters.
ANSWER: lenses
[10m] The profile of an Airy disk can be approximated by treating the center as a beam with an intensity profile named for this scientist. This scientist also names a law that states the divergence of the B-field equals zero.
ANSWER: Carl Friedrich Gauss [accept Gaussian profile; accept Gauss’s law for magnetism]
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