This article [Opt. Eng. 55(11), 114101 (2016)] was originally published on 27 October 2016 with an error in Figs. 6 and 7. The original publication omitted the overlaid equations on these figures, and this has been corrected in the republished version.
The corrected figures appear below.
The paper was corrected online on 13 November 2016. It appears correctly in print.