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. 2019 Jul 24;47(18):e107. doi: 10.1093/nar/gkz625

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© The Author(s) 2019. Published by Oxford University Press on behalf of Nucleic Acids Research.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Figure 2. — Computer-aided simulation for the intensity profile of excitation in DNA skybridge. (A) A 3D structure for the simulation was built with angled slope blocks for 4.0 μm barriers in height and 13.1 μm spacing between two barriers. The angled boundary barrier resulted from the superposition of two equilateral trapezoids. One isosceles trapezoid has an upper base of 0.4 μm, a lower base of 5.0 μm and a height of 4.0 μm. The other trapezoid has an upper base of 0.4 μm, a lower base of 8.1 μm and a height of 2.0 μm. The center of the bottom line of both trapezoids is located at an identical position on the quartz surface for the simulation. The width of the bottom surface is 5.0 μm. (B) The intensity profile of the excitation light with a wavelength of 532 nm in a computer simulation. The incident angle and laser power are set to 75° and 1, respectively. The red line corresponds to the barrier boundary of the 3D structured quartz. The origin of the vertical distance is the top of the barriers (right). We took the average of the intensity of horizontal components, which is presented with the vertical distance (right).