1) Describe the theory of graded index fiber and deduce the numerical aperture of the graded index fiber.
2) Describe the following term:
a) Mode theory
b) Ray theory.
3) Describe the several optic fiber losses.
4) Describe about the following
a) Different fabrication methods of fiber optic.
b) Pulse broadening
5) Describe the principle working of the LASER diode. Explain the effect on the performance of LASER due to the temperature.
6) Explain about the following term:
a) Avalanche photo diode
b) PIN photo diode.
7) Describe the link budget analysis of the point to point optical link and deduce the necessary equation for that.
8) Explain the following term:
a) Splicing loss measurement
b) Lensing schemes for coupling improvement
9) Describe the operation of the optical receiver and performance calculation of it.
10) Describe the design methodology for the analog receiver with required flow chart.