problem 1) What is an optical fibre repeating system?
problem 2) prepare down the advantages of cladding on a fibre?
problem 3) What do you understand by V-parameter? prepare the expression for the same.
problem 4) Describe how a mode coupling can occur?
problem 5) describe the basic attenuation mechanisms?
problem 6) What are the direct band gap and indirect band gap semiconductors?
problem 7) describe the operation of pn junction diode on physical basis with reference to the formation of barriers potential and depletion layer.
problem 8) What do you mean by absorption, spontaneous emission and stimulated emission in a two level energy system?
problem 9) How is the population inversion accomplished in semiconductor and non-semiconductor layer?
problem 10) prepare down the difference between connector and splice?
problem 11) What do you understand by dispersion? How do we reduce dispersion using dispersion compensating fibre?
problem 12) Describe the operation of Avalanche photodiode with the help of essential diagram.