Physics – Optics
Scientific paper
Apr 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1013..156f&link_type=abstract
IN: Optical design methods, applications, and large optics; Proceedings of the Meeting, Hamburg, Federal Republic of Germany, Se
Physics
Optics
Aberration, Lenses, Optical Properties, Apertures, Monochromatic Radiation, Optical Correction Procedure, Parameterization
Scientific paper
The effects of refractive index (in the range 1.5-2.0) and element decentering on spherical aberration in 1-4-element f/2 lenses are investigated by means of numerical simulations, extending the parametric analysis of Fischer and Mason (1987). The steps of a first-order analysis are outlined; the third-order relationships are explored; and particular attention is given to the aplanatic-concentric solution, the optimization of the classical solutions using CODE V and MACSIGMA, the features of the fully optimized solutions, and the tolerance-sensitivity analysis. The results are presented in extensive tables and graphs and briefly characterized. It is found that lens performance improves as the number of elements is increased, and that the refractive index plays an especially significant role in 3-element systems, where increasing the index from 1.5 to 2.0 produces a 6-order-of-magnitude drop in optical-path difference.
Fischer Robert E.
Mason K. L.
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