Field and Wave Electromagnetics 2nd Edition by David Cheng

Exercise 20

Assume that the z = 0 plane separates two lossless dielectric regions with r l = 2 and r 2 = 3. If we know that E 1 in region 1 is a x 2 y a y 3 x + a z (5 + z ), what do we also know about E 2 and D 2 in region 2 Can we determine E 2 and D 2 at any point in region 2 Explain.