Boundary Conditions

1
Boundary Conditions tan E
continuous tan H continuous
2

• Immediately
• The total field in medium 1 is
• 1.
• maximum occurs at
• 2.
• Standing wave ration(SWR)

(8-142)
(8-143)
(8-144)
(8-145)
(8-147)
3

• Example 8-11 A uniform plane wave in lossless
  medium
• of h1 is incident normal on lossless medium h2.
  Obtain
• the time-average power in both media.
• Solution
• In medium 1,

(8.96)
(8.144)
(8.131 8.133)
4

• Hence

(8.152)
5

• In medium 2
• Since

(8.153)
(8.155)
6

• 8-10 Oblique Incidence at a Plane Dielectric
  Boundary
• A plane wave propagating in
• where

x
z