UNIT 2 : FIBER OPTIC COMPONENTS AND DEVICES

  


 UNIT 2

FIBER OPTIC COMPONENTS AND DEVICES


SHORT ANSWER QUESTIONS 

1)  Difference between LED & LASER DIODE ?

2)  Define External Quantum efficiency of a light source ?

3)  Define Responsively , Dark Current ?

4)   List two types of sources used in OFC ?

5)   List detectors used in Optical Fiber Communication ?

6)   List active components in Optical Fiber ?

7)   State the need for Optical coupler / Splitter ?

8)   State the principal of  LASER ?

9)   Difference between coupler and splitter ?


ESSAY TYPE QUESTIONS 

1) (a) List two types of sources used in OFC ?

    (b) Define salient features of Optical sources?

2) (a) List two types of detectors used in OFC ?

    (b) Define salient features of Optical detector?

3) State the principal of LASER? Explain the construction & working of LASER?

4)  Draw the block diagram of OFC system? Explain each Block?

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