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. 2019 May 20;9:7603. doi: 10.1038/s41598-019-43933-w

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© The Author(s) 2019

Open Access This 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 license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license 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 license, visit http://creativecommons.org/licenses/by/4.0/.

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Spatial resolution of the MTF-CGH spots throughout the FOV of the GRIN lens. (a) Axial profiles (solid curves) and simulations (scattered curve) for a 15 µm holographic spot at the center of the FOV when using the GRIN lens with TF (red), without TF (green) and the 10X objective alone with TF (blue). (b) Position dependent FWHM of one holographic spot displaced along the TF (x) or the perpendicular (y) direction. The data are the average over 6 different repetitions of the same experiment and are given with an error bar calculated as the standard deviation over all the repetitions. (c) Lateral (x-z) view of 28 holographic spots distributed in 3D. (d) In plane (x-y) view of 3 holographic spots at 3 different depths. (e) Comparison of the axial resolutions with TF (28 spots) and without TF (16 spots) as a function of z. For the corresponding plots as a function of x and y see Supplementary Fig. 2.