Annular apertures with low and high obstruction

Details Annular apertures with low and high obstruction Annular apertures with low and high obstruction

Jan 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apopt..20..168t&link_type=abstract

Applied Optics, vol. 20, Jan. 15, 1981, p. 168, 169.

Physics

Optics

1

Annuli, Apertures, Imaging Techniques, Spectral Energy Distribution, Diffraction Patterns, Irradiance, Ring Structures

Scientific paper

The distribution of image energy by the central obstruction of annular apertures is discussed with special emphasis on the effect of an aperture shape parameter which can be interpreted optically as the inverse obstruction ratio. This parameter generates group arrangements with the number of rings given by N2 = 1/a, where a is the central obstruction ratio.

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