KERALA UNIVERSITY Class 7 optical communication Question Paper 2019

Practice authentic previous year questions for better exam preparation.

Sample Questions

(i) photonic bandgap fiber (ii) hollow core fiber.
Explain intermodal and intramodal dispersionin optical fibers.
Calculate the numerical aperture of a step index fiber having $n 1=1.48$ and $\mathrm{n} 2=1.46$. What is the maximum entrance angle $\theta_{0 \text { max }}$ for this fiber if the outer medium is air.
How do hetero-junction structures improve optical and carrier confinement?
Can an optical fiber act as both monomode and multimode ? why?