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. 2023 Jan 19;15(1):43–70. doi: 10.1007/s12551-022-01041-6

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© The Author(s) 2022

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 9 — Example of CD-SHG applied in the transverse imaging of a human cornea. (a) Schematics and SHG intensity image of the cornea. Panels (b) and (c) show the CD-SHG imaging of the same region of the sample in two different configurations. As it is evident, the CD-SHG sign in both configurations is the same for almost 80% of the imaged pixels. Lastly, in panel (d), the SHG intensity profile (in green) and the CD-SHG absolute value (in magenta) are plotted along the yellow arrow shown in panels (a) and (b).

Modified from Schmeltz et al. (2020)