(e) (f)
Fig. 2 (a) Configuration of the PIUWA unit. (b) The
manufactured PIUWA array. (c) Front view of the unit. (d) Detailed
assembly structure of the 3D layer. (e) The PIUWA sample in the
microwave chamber. (f) Simulated and measured absorption rate under
normal incident at TE mode. *Detailed geometrical parameters are as
follows: b=8mm, h=8.3mm, Ll1=2.2mm,
Ll2=2.5mm, Ll3=1.8mm,
Ll4=3.5mm, Lh=2.8mm,
w1=w2=0.5mm, h1=2mm,
h2=2.2mm, RL=120Ω,
RH=85Ω.
(a)