Illusion optics: The optical transformation of an object location

This work extends the concept of cloaking as a special form of illusion to the wider realm of illusion optics. We propose to use transformation optics to generate an illusion such that an arbitrary object appears to another location of our choice. This is achieved by using of the medium with the angle dependent tensors of permittivity and permeability. The radar illusion device using artificial materials in the terahertz frequency range was designed.