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Figure 2
(a) Photograph of the long-range diffraction pattern from the microdisc array in Fig. 1[link](b), acquired in a dark room with a mobile phone camera (scale bar 150 mm). The intense spot in the middle corresponds to the zeroth-order reflection (0,0). (b) Higher-resolution photograph of the central area in (a) (scale bar 150 mm). (c) Diffraction spot (1,1) in (b) acquired with a camera (scale bar 5 mm).

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 55| Part 1| February 2022| Pages 168-171
https://doi.org/10.1107/S1600576721013492
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