209741.fig.0011a
(a)
209741.fig.0011b
(b)
209741.fig.0011c
(c)
209741.fig.0011d
(d)
Figure 11: (a) Patch antenna with LHM superstrate, (b) characteristics, (c) comparison of directivity -plane patterns ( plane) with and without the LHM superstrate, (d) comparison of directivity -plane patterns ( plane) with and without the LHM superstrate.