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. Author manuscript; available in PMC: 2024 Jan 2.
Published in final edited form as: Opt Lett. 2021 Mar 1;46(5):1065–1068. doi: 10.1364/OL.419140

Fig. 5.

Fig. 5.

(a) Picture of a 3D-printed sample. (b) Depth profiles moving CCW around the circles in (a) measured using optical profilometry. (c) FWHM of the detected TD pulse along the blue line in (a) with dashed vertical lines showing θ at the edges.