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(a) The operating principle of our PBG beam steerer. The millimeter-wave propagates along the direction and its wave front (the black dashed lines) can be tilted (the red dashed lines) by a PBG sample. (b) A photo of the elements of our experimental setup.
(a) A schematic of our PBG sample that consists of a one-dimensional periodic array of Alumina plates. (b) A schematic of the deformed sample, having one end of it fully compressed. (c) The computed dispersion for a series of PBG samples of different spacer thicknesses .
FDTD simulation results of EM field profile, propagating in the plane in (a) freespace, (b) a PBG sample with a spacer of and a tilt angle , (c) a PBG sample with a spacer of and a larger tilt angle of .
(a) A summary of the measured data (the black dots) and the FDTD simulation result (the square crosses) as a function of . The solid line is a guide to the eyes. (b) The measured radiation pattern as a function of the deflected angle .
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