8/11/2019 Foli Question Papr
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J.B.INSTITUTE OF ENGINEERING AND TECHNOLOGY
(AUTONOMOUS)
I M.TECH-II SEM (BMSP &I) I-MID EXAM 2014
SUB: FIBER OPTICS AND LASER INSTRUMENTATION
Answer any FOUR of the following. Max Marks: 40
All questions carry EQUAL marks Max Time:2 hours
SET1
1. Discuss different types of fibre and their properties?
2. Write a note on splicing techniques?
3. a)Describe the Q-switching
b) Explain the operation of Liquid sensor?
4. A) Distinguish between intrinsic and extrinsic losses?
B) Define total internal reflection?
5. A) What is meant by population inversion?
B) Explain the operation of liquid laser?
6. Describe scattering losses in fibre?
J.B.INSTITUTE OF ENGINEERING AND TECHNOLOGY
(AUTONOMOUS)
I M.TECH-II SEM (BMSP &I) I-MID EXAM 2014
SUB: FIBER OPTICS AND LASER INSTRUMENTATION
Answer any FOUR of the following. Max Marks: 40
All questions carry EQUAL marks Max Time:2 hours
SET2
1.
Discuss the characteristics of laser with the help of neat
diagram. Explain the three level and four
level?
2.
A) What is meant by population inversion?
B) Explain the operation of liquid laser?
3. Describe scattering losses in fibre?
4. A) Describe the absorption losses in fibre?
B) Define Numerical aperture?
