Abstract
Basing on the transformation optics, we propose a kind of transformation method of compressing or stretching. With the method, we propose a design of transparent radome for different structures. The electromagnetic (EM) waves inside or outside the radome can transmit through the structure without any reflection. Numerical simulations confirm the function of the radome structures.
Highlights
Much attention has been focused on the coordinate transformation method of Maxwells equations generalized by Pendry et al [1,2,3,4]
Basing on the transformation optics, we propose a kind of transformation method of compressing or stretching
When the electrometric waves transmit through the radome, the alteration of the electromagnetic properties of the incident waves is localized within the transformation region and cannot be transferred to other mediums or to free space, for the transformation medium is matched with surrounding medium and has inherently no reflection
Summary
Much attention has been focused on the coordinate transformation method of Maxwells equations generalized by Pendry et al [1,2,3,4]. More wave manipulation strategies have been drawn out, such as EM field concentrators, rotators, direction changing, inside-out cloaks, and so forth [5,6,7,8,9,10]. Such media would be very difficult to synthesize using conventional materials, artificially structured metamaterials offer a practical approach for the realization of transformation optics designs, given their ability to support a much wider and controllable range of electric and magnetic responses. Two radomes with special shapes have been proposed, others with arbitrary shapes can be designed based on the same method
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