Figure 5

RL values of (a) PVP (214) (b) PVP (333) and (c) PVP (500) samples with matching thickness of 1.6 mm, 1.8 mm, 2.0 mm, 2.2 mm, 2.4 mm and 2.6 mm; 3D RL plots of (d) PVP (214) (e) PVP (333) (f) PVP (500) samples in the range of 2–18 GHz.
RL values of (a) PVP (214) (b) PVP (333) and (c) PVP (500) samples with matching thickness of 1.6 mm, 1.8 mm, 2.0 mm, 2.2 mm, 2.4 mm and 2.6 mm; 3D RL plots of (d) PVP (214) (e) PVP (333) (f) PVP (500) samples in the range of 2–18 GHz.