Engineering Electromagnetics
9th Edition
ISBN: 9780078028151
Author: Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher: Mcgraw-hill Education,
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Textbook Question
Chapter 13, Problem 13.29P
An asymmetric slab waveguide is shown in Figure 13.26. In this case, the regions above and below the slab have unequal refractive indices, where n1 > n3 > n2. (a) Write, in terms of the appropriate indices, an expression for the minimum possible wave angle, 81, that a guided mode may have. (b) Write an expression for the maximum phase velocity a guided mode may have m this structure, using given, or known parameters.
Figure 13.26 See Problem 13.29.
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Chapter 13 Solutions
Engineering Electromagnetics
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