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. 2024 Aug 6;15:6691. doi: 10.1038/s41467-024-50923-8

Fig. 6. Hologram-related process characterization of HDPS.

Fig. 6

a Surface deviation and deviation distribution between manufactured and theoretical holograms. b Pressure patterns obtained via finite element analysis for the theoretical hologram (b-left) and scanned manufactured hologram (b-right). c Image and printing resolution investigation by changing OD and f0, a theoretical mandala image (c-center) is constructed in low resolution (c-left) by OD = 25 mm, f0 = 1.5 MHz and high resolution (c-right) by OD = 64 mm, f0 = 4.5 MHz. d, e Correlation and NMSE with respect to OD and f0 for the theoretical mandala image (c-center). f The image plane location, Ztarget, and its effect on Correlation and NMSE.