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Figure 5
Manufacturing specifications for a single FZP objective in terms of outermost zone width Δr as a function of magnification for three materials. The corresponding NA is shown. Moreover the required ARs of the outermost zone for three materials for maximum efficiency are shown. The example relates to a fixed diameter D = 4 mm, wavelength λ = 4 Å and an experimental laboratory allowing L = 8 m.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 59| Part 4| August 2026| Pages 1282-1293
https://doi.org/10.1107/S1600576726006254
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