volume | PIER Journals

Abstract

A low profile metasurface, which rotates the polarisation of incident electromagnetic wave upon reflection, is presented in this study. The design, which works over a large bandwidth of 67%, is achieved by combining the effect of a circle and a triangle forming a unit cell. By proper modification, the array is found to be useful in RCS reduction over a broad frequency range. Unlike many earlier designs, this structure is of single layer and can be fabricated using standard process on a thin substrate which is inexpensive and easily available. The results are presented with simulation and experiment.

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Dr. Karamkulambel Kunjappan Indhu

Dr. Abhilash Achariparambil

Mr. Paulbert Thomas

Dr. Ramakrishnan Anil Kumar

Dr. Deepti Das Krishna

Dr. Chandroth K. Aanandan