Research Article
Impact of Radii Ratios on a Two-Dimensional Cloaking Structure and Corresponding Analysis for Practical Design at Optical Wavelengths
Table 5
Variations in different parameters of an optical cloaking system for a radius ratio of 2 with fixed inner
and outer
radius.
| Color of light | Wavelength (nm) | Frequency (THz) | Transmitted field | Transmitted field beyond slab | Transmission coefficient | Reflection coefficient | Refractive index (real) | Refractive index (imaginary) |
| Dark red | 700 | 429 | 0.72 | 0.77 | 1.07 | −0.07 | 1.87 | −0.25 | Red | 665 | 451 | 0.738 | 0.784 | 1.04 | −0.04 | 2.13 | −0.33 | Orange | 630 | 476 | 0.736 | 0.778 | 1.04 | −0.04 | 2.33 | −0.18 | Yellow | 600 | 500 | 0.724 | 0.744 | 1.01 | −0.01 | 2.42 | 0.12 | Green | 550 | 545 | 0.688 | 0.71 | 1.02 | −0.02 | 1.9 | 0.48 | Aqua | 490 | 612 | 0.772 | 0.826 | 1.1 | −0.1 | 1.37 | −0.13 | Blue | 470 | 638 | 0.77 | 0.836 | 1.07 | −0.07 | 1.38 | −0.41 | Indigo | 425 | 706 | 0.782 | 0.86 | 1.07 | −0.07 | 1.46 | 1.87 | Violet | 400 | 750 | 0.8 | 0.69 | 1.1 | −0.1 | 0 | — |
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