Optical Fiber Communications 4th Edition by Gerd Keiser

Exercise 2

On the same graph, make plots of the reflectivity R max given by Eq. (10.48) and the transmissivity T = 1 - R max for a fiber Bragg grating as a function of KL for 0 L 4. If = 0.75 mm -1 , at what grating length does one get 93 percent reflectivity