Abstract
In this paper, a new kind of cloak named petal-shaped cloak is proposed, by which multiple objects can be hidden at one time, and they could not perceive each other. The cloaked region which looks like petal is expanded from one single point. According to coordinate transformation theory, the general constitutive parameters of the N-petals cloak are derived. Full-wave simulations in two dimensions are given to validate the cloaking effect. The simulation results show that the cloak with the proposed parameters performs well.
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