Airy disc

(redirected from Airy pattern)

Airy disc

(ār'ē),
the image of a circular blur formed by a distant point source of light on the retina because of diffraction by the edge of the pupillary aperture where the diameter of the image decreases as the aperture increases.

Airy disc

(ār'ē disk)
The image of a circular blur formed by a distant point source of light on the retina because of diffraction by the edge of the pupillary aperture where the diameter of the image decreases as the aperture increases.
Mentioned in ?
References in periodicals archive ?
This measure is the ratio of intensity between the peak of the aberrated Airy pattern and that of a perfect Airy pattern.
The angular size of the Airy pattern becomes smaller as the diameter of the telescope objective increases.
The image of each flat wavefront segment will be an Airy pattern, but the image in the eyepiece will be the superposition of many such patterns.
Sheer Swiss cotton, paired with lots of white and airy patterns in maritime colors of blue and red had an undeniably beachy feel.