Impact of Radii Ratios on a Two-Dimensional Cloaking Structure and Corresponding Analysis for Practical Design at Optical Wavelengths

Table 2

Variations in different parameters of an optical cloaking system for a radius ratio of 2.

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	0.712	0.705	1.04	−0.04	1.9	0.5
Red	665	451	0.698	0.698	1	0	1.8	0.5
Orange	630	476	0.703	0.695	1.07	−0.07	1.95	0.56
Yellow	600	500	0.713	0.698	1.02	−0.02	1.85	0.5
Green	550	545	0.73	0.715	1.08	−0.08	1.97	0.58
Aqua	490	612	0.705	0.703	1	0	1.8	0.45
Blue	470	638	0.723	0.728	1.04	−0.04	1.9	0.51
Indigo	425	706	0.675	0.708	1.06	−0.06	1.95	0.54
Violet	400	750	0.72	0.74	1.03	−0.03	1.85	0.5