例文
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- The disk shape is given by the circular aperture of the pupil.
- Equation ( ) holds for both square and circular apertures.
- If two leaves are used they have curved edges to create a roughly circular aperture.
- The pupil function of an ideal optical system with a circular aperture is a disk of unit radius.
- The far-field diffraction of a plane wave incident on a circular aperture is often referred to as the Airy Disk.