The numerical results for the focusing spot represented by Fig. 3 and Fig. 4 in [1] were incorrect.

©2008 Optical Society of America

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  1. M. Shan and J. Tan, “Modeling focusing characteristics of low F-number diffractive optical elements with continuous relief fabricated by laser direct writing,” Opt. Express 15, 17032–17037 (2007).
    [Crossref] [PubMed]

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Figures (2)

Fig. 3.
Fig. 3. Experimental results: (a) CCD image of focused spot (b) Intensity profile.
Fig. 4.
Fig. 4. Comparison of experimental results with theoretical results and ideal design results.