Optical Fiber Communications 4th Edition by Gerd Keiser

Exercise 21

Verify the plots for b, d ( Vb ) /dV, and V d 2 ( Vb)/ dV 2 shown in Fig. 3.15. Use the expression for b given by Eq. (3.38).
Fig. 3.15 The waveguide parameter b and its derivatives plotted as a function of the V number for the HE 11 mode