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This article [Opt. Eng. 58(2), 023108 (2019), doi: 10.1117/1.OE.58.2.023108] was originally published on 15 February 2019 with an error in Fig. 5. The original Fig. 5 contained the characters “G7” in the bottom right panel. The corrected Fig. 5 is shown below. The paper was corrected online on 28 February 2019. It appears correctly in print. |