Inverse-phase composite zone plate providing deeper focus than the normal diffraction-limited depth of X-ray microbeams

Kagoshima, Y.; Takayama, Y.

doi:10.1107/S1600577518016703

Journal of Synchrotron Radiation Journal of
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Figure 1
(a) Positive ZP, (b) negative ZP, (c) composite ZP and (d) inverse-phase composite ZP (IP-CZP). The gray color of the zones indicates that ZPs function as a phase zone plate. The white dotted circle in (d) is the boundary of the iZP and oZP.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 26| Part 1| January 2019| Pages 52-58

https://doi.org/10.1107/S1600577518016703

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