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Optical Fiber Communication OFC 6th Sem Diploma May 2015 Paper

Download Previous Year Diploma Paper of Optical Fiber Communication OFC 6th Sem Diploma May 2015 Paper

Optical Fiber Communication OFC 6th Sem Diploma May 2015 Paper

                                                SECTION-A

Q1. Do as directed.                                                                                                              15×1=15

  1. The number of bits transmitted per second over a channel is called Bit Rate.
  2. The optical communication frequency is 
  3. The principle of light propagation in optical fibre is based on Total Internal Reflection.
  4. LASER stands for Light Amplification Stimulated Emission of Radiation
  5. Dark current is defined as 
  6. LASER exhibits
  7. In a graded index fiber the refractive index _____ 
  8. The optical fiber structure consists of basically three parts Core,Cladding and Coating.
  9. Single mode fibers support only_____ mode of
  10. The unit of Dispersion is _____ 
  11. VCSEL stands for
  12. Johnson noise is due to
  13. A photodiode is used in _ _
  14. DWDM stands for .
  15. The heart of an optical receiver is the

                                      SECTION-B

Q2. Attempt any five questions.                                                                    5×6=30

  1. Define: Critical Angle, Snell’s Law
  2. What are Step Index and graded index Fibres ?
  3. Discuss the characteristics of light used in Optical Communication ?
  4. Draw the block diagram of an Optical Receiver.
  5. Describe the different types of functional Amplifiers.
  6. What is Splicing? Explain any two techniques of Splicing ?
  7. List a few applications of Optical Communication ?

                                     SECTION-C

Q3. Attempt any three questions.                                                       3×10=30

  1.  What are the advantages and disadvantages of Optical Fiber Communication.
  2. List the various types of LED’s. Discuss the various types of LED structures.
  3. Describe Optical Power Budgeting ?
  4. What is the need of an Optical Amplifier? Discuss SOA.
  5. Explain the different types of losses in Optical Fibre Communication.
  6. Write short notes on (any two)
  1. Effect of dispersion on data Rate
  2. WDM
  3. Historical perspective of Optical Communication

Optical Fiber Communication OFC 6th Sem Diploma May 2015 Paper

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Section a FILL IN THE BLANKS Optical Fiber Communication OFC 6th Sem Diploma May 2015 Paper

The number of bits transmitted per second over a channel is called _______.

The number of bits transmitted per second over a channel is called          .

 

The optical communication frequency is ________

The optical communication frequency is ______ 

 

The principle of light propagation in optical fibre is based on _______

The principle of light propagation in optical fibre is based on _____

 

LASER stands for  ___________.

LASER stands for 

Dark current is defined as ___________

Dark current is defined as

 

LASER exhibits ___________

LASER exhibits

 

In a graded index fiber the refractive index _____ 

In a graded index fiber the refractive index _____ 

 

The optical fiber structure consists of basically three parts __________

The optical fiber structure consists of basically three parts

 

The process of extracting mineral from the earth is known as ______.

Single mode fibers support only _____ mode of

 

The unit of Dispersion is _________

The unit of Dispersion is_______ 

 

VCSEL stands for _________.

VCSEL stands for

 

Johnson noise is due to _________.

Johnson noise is due to _______

 

A photodiode is used in _________

A photodiode is used in _ ___

DWDM stands for_____ 

DWDM stands for_____ 

 

The heart of an optical receiver is the _________

The heart of an optical receiver is the _________

Optical Fiber Communication OFC 6th Sem Diploma May 2015 Solved Paper Click Here

Section B :Optical Fiber Communication OFC 6th Sem Diploma May 2015 Paper

Define: Critical Angle, Snell’s Law ?

Critical Angle

Snell’s Law

 

What are Step Index and graded index Fibres ?

Step Index and graded index Fibres 

 

Discuss the characteristics of light used in Optical Communication ?

Characteristics of light used in Optical Communication 

Draw the block diagram of an Optical Receiver

Block diagram of an Optical Receiver

 

Describe the different types of functional Amplifiers.

Different types of functional Amplifiers.

 

What is Splicing? Explain any two techniques of Splicing ?

What is Splicing

Two Techniques of Splicing 

 

List a few applications of Optical Communication ?

Applications of Optical Communication 

List a few applications of Optical Communication ?

Few applications of Optical Communication 

Optical Fiber Communication OFC 6th Sem Diploma May 2015 Paper Click Here

Optical Fiber Communication OFC 6th Sem Diploma May 2015 Paper

Get Started https://www.youtube.com/watch?v=UHX6f8TIvX8https://www.youtube.com/watch?v=M_RR6LVICp0https://www.youtube.com/watch?v=mV41CMWonN4https://www.youtube.com/watch?v=s0LVPE0Q3LE&list=PLA9Q9SDZ781WXNAWit379A4CRLMvjGiUw&index=14&t=0s

Section c :-Optical Fiber Communication OFC 6th Sem Diploma May 2015 Paper

What are the advantages and disadvantages of Optical Fiber Communication.

Advantages and disadvantages of Optical Fiber Communication.

List the various types of LED’s. Discuss the various types of LED structures

 Types of LED and its structures.

 

Describe Optical Power Budgeting ?

Optical Power Budgeting 

 

What is the need of an Optical Amplifier? Discuss SOA.

Need of an Optical Amplifier

Discuss SOA Amplifier

 

Explain the different types of losses in Optical Fibre Communication.

Different types of losses in Optical Fibre Communication.

Write short notes on (any two)

short notes on (any two)

 

Effect of dispersion on data Rate
  1. Effect of dispersion on data Rate
2.Whats is WDM

2.WDM

 

3.Historical perspective of Optical Communication

  3. Historical perspective of Optical Communication

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