About This Cover

20 September 2021, Volume 8, Issue 9, pp. 1129-1242

Ultrashort soft-x-ray pulses are focused and dispersed by a reflection zone plate The resulting bow-tie-like focus is reflected from a superlattice structure. See Schick et al., pp. 1237–1242. See print version of the cover. Credit: Moritz Eisebitt.

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