Imaging performance of annular apertures. III - Apodization and modulation transfer functions

Details Imaging performance of annular apertures. III - Apodization and modulation transfer functions Imaging performance of annular apertures. III - Apodization and modulation transfer functions

Nov 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apopt..18.3770t&link_type=abstract

Applied Optics, vol. 18, Nov. 15, 1979, p. 3770-3774.

Physics

Optics

1

Apertures, Image Enhancement, Image Transducers, Modulation Transfer Function, Optical Equipment, Astronomical Photography, Blocking, Image Filters, Transmission Efficiency

Scientific paper

Apodization functions with decreasing transmission and their opposite, functions with increasing transmission, are investigated for various central obstruction ratios. The resultant modulation transfer functions are presented for various transmission functions and central obstruction ratios. Conclusions applicable to the improvement of imaging performance are discussed.

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