Chapter Questions
What are optical fibres?
What is the basic principle of fibre optics?
What do you mean by refractive index of a medium?
Define total internal reflection.
State critical angle.
Define acceptance angle.
Define numerical aperture.
How do you construct a fibre?
What are the ways in which an optical fibre is categorized?
What do you mean by mode in a fibre?
What are the types of fibres based on the modes of travel?
Give the merits and demerits of optical fibres in communication system.