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Figure 10
Optimum line:space ratio (a) and resulting relative focusing intensity (b) for m = 2 second-order focusing as a function of both zone thickness ti and separation distance [\Delta z]. The differences between using a regular or a complementary zone plate for the second optic become larger when thickness ti approaches 2 µm which corresponds to a π phase shift.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
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