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. Author manuscript; available in PMC: 2011 Oct 13.
Published in final edited form as: Nano Lett. 2010 Oct 13;10(10):4111–4116. doi: 10.1021/nl1022892

Figure 2. Confocal optical measurements, point-source calculations and FDTD simulations showed excellent agreement on focal length and depth of focus for a 5-μm patch.

Figure 2

z-linescans of measured and simulated 3D optical field maps for the patch in Fig. 1 are shown at (A) λ = 500 nm, (B) λ = 545 nm, (C) λ = 670 nm, and (D) λ = 780 nm.