In this erratum, an error in Eq. (14) in our recently published Letter
Lett. 41, 4951
(2016) [CrossRef] ] is
© 2017 Optical Society of
We omitted a scale factor in Eq. (14) in our recently published letter (Ref. ). Equation (14) should be revised to be:
is the pixel size of the used camera.
Although Eq. (14) was not
correctly presented in Ref. ,
all the data in that letter were processed with the right equation. Therefore,
this correction does not change any of the results in Ref. .
National Natural Science Foundation of China
1. H. Zhao, C. Zhang, C. Zhou, K. Jiang, and M. Fang, Opt. Lett. 41, 4951 (2016). [CrossRef]
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