Question

Draw a schematic diagram of a single optical fiber structure. Explain briefly how an

optical fiber is fabricated. Describe in brief, the mechanism of propagation of light signal

through an optical fiber.

Answer 1

The core of the optical fiber is denser than the cladding. This is the main principle we have to remember. Then only total internal reflection takes place, The refractive index is fixed such that the light ray will undergo TIR and the angle of incidence is always greater than the critical angle.

Check the attatchment..