Design of an optical device with three functions based on coordinate transformation
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摘要:
Based on two-step coordinate transformation along the radial direction,an optical device with three functions is proposed.The proposed device functions as a transparent device,a vision-enabling internal cloak,and a movement-allowing external cloak.The general expressions of material parameters for the optical device are determined,and each function of the device is confirmed using full-wave simulation.The effect of material loss on device performance is also investigated.Future applications for the proposed device include antenna protection and military stealth.