CEC345 OPTICAL COMMUNICATION And Networks

Prepared by  
     S.Santhosh (Admin) 
Important questions 
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UNIT -1 

1. Step index finger and graded index fiber**

2. total internal reflection ,skew rays electromagnetic mode

UNIT-2

1. Signal attenuation

3. Linear scattering lossess**
4. OptimizatIon of single mode fiber (stepm

 Index fiber ,multimode index fiber )

UNIT-3

1. Laser diode (full topic)

2. Surface emitting LED,Edge emitting LED
3.PIN photo detector,Avalanche photo diodes

UNIT-4

1. Optical attenuation , frequency response based on frequency and time domain

2.Attenuatio,absorption (2m)

3.Reflectance and optical return loss

UNIT-5

1.optical networking terminology 
2.porotcol wavelength and routing network 
3. Optical ETHERNET,LAN

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**Very important questions are bolded and may be asked based on this topic

PART-C

1.Compulsory Questions {a case study where the student will have to read and analyse the subject }

mostly asked from unit 2, 5(OR) a situation given and you have to answer on your own

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