Nanopinholes-Based Optical Superlens

<table>Plot of electromagnetic field transmission versus
incident wavelength for different <svg height="10.7375" id="M63" style="vertical-align:-0.13794pt" version="1.1" viewbox="0 0 7.9875002 10.7375" width="7.9875002" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.7375)">
<g transform="translate(72,-63.41)">
<text transform="matrix(1,0,0,-1,-71.95,63.6)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝛿</tspan>
</text>
</g>
</g>
</svg><i></i>ratios ranging
from 1.25 to 3.75.
Redshift occurs with reducing pinhole
periodicity <i>L</i>. The inset  plot shows the central peak transmission.</table>

Physics Research International

Nanopinholes-Based Optical Superlens

Figure 3