Question:-

1. An optical network operator is trying to manufacture an FElG based lter for C band optical channels. He can choose the core refractive index between 1.45 to 1.50 using the step size of 0.01. Moreover. he is interested in ltering out every optical channel whose index is a positive integral multiple of 1D. Assume. the starting index lie. 1} corresponds to channel of wavelength = 1530 nm, and the separation between two consecutive channels is 0.8 nm. i. Calculate the wavelength of channels, which needs to be ltered out. (Python) ii. Calculate the required grating period to lter out the mentioned channels {using each possible core refractive index}. ' [Python]