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(a) A metamaterial prism with edge of 45 degrees inclination is impinged by a beam from the left-hand side. The (normalized) pressure profile of the output beam from the prism is measured at an arc of radius 15 cm from −60° to 60° (0° is defined along the green dashed lines). (b) and (c) The experimental and simulated pressure intensity profile, normalized to the peak intensity at each frequency.
