Juan C. Escalera, María J. Yzuel, and Juan Campos, "Control of the polychromatic response of an optical system through the use of annular color filters," Appl. Opt. 34, 1655-1663 (1995)
The use of annular color filters as a tool to modify the polychromatic response of an optical system is investigated. The introduction of filters with transmission that depends on the wavelength produces a significant modification of the chromaticity response. In contrast, the position in the pupil of the annuli in which the color filters are placed modifies mainly the illuminance response. The influence of different types of annular color filter on the transverse and axial responses of the aberration-free system is studied.
David H. Lippman, Robert Chou, Ankur X. Desai, Nicholas S. Kochan, Tianyi Yang, Greg R. Schmidt, Julie L. Bentley, and Duncan T. Moore Appl. Opt. 61(3) A1-A9 (2022)
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r0 and p1 = (1 − r02)2 are related to the radii of the annular zone (Fig. 1).
This is the radius of the first minimum in the BIP.
This is the radius of the points with illuminance equal to half of the maximum in the BIP.
Table 2
Image Quality Parameters for an AFS with Type 2 Filters
r0 and p1 = (1 − r02)2 are related to the radii of the annular zone (Fig. 1).
This is the radius of the first minimum in the BIP.
This is the radius of the points with illuminance equal to half of the maximum in the BIP.
Table 2
Image Quality Parameters for an AFS with Type 2 Filters