Download Previous Year Diploma Paper of Optical Fiber Communication OFC 6th Sem Diploma Dec 2016 Paper
Optical Fiber Communication OFC 6th Sem Diploma Dec 2016 Paper
                        SECTION-A
Q1. Fill in the Blanks.                                                       15×1=15
- Numerical Aperture indicates the light gathering capability of fiber .
- Light propagates along the fibre by Total internal Reflection Process.
- Snell’s law of refraction states that sinØ1/sinØ2 IS CALLED REFRACTIVE INDEX .
- LASER stands for Light Amplification Stimulated Emission of Radiation .
- EDFA stands for Erbium-Doped Fiber Amplifier .
- Refractive index of cladding is Less than Core.
- Dispersion causes pulse Spread Out.Â
- Light source used in optical fiber converts electrical signal into Light Signal.
- APD stands for Avalanche Photo Diode.Â
- Define Dark Current.
- Fibre to fibre joint is called Splicing.Â
- LED is based on the principle of Spontaneous Emission .
- Attenuation is measured in decibel (dB).Â
- PIN diode operates in Reverse Bias region.
- Optical fiber communication uses WDM Multiplexing.
                   SECTION-B
Q2. Attempt any five questions.                                  5×6=30
- Define: Critical Angle, Snell’s Law
- What are Step Index and graded index Fibres ?
- Discuss the characteristics of light used in Optical Communication ?
- Draw the block diagram of an Optical Receiver.
- Describe the different types of functional Amplifiers.
- What is Splicing? Explain any two techniques of Splicing ?
- List a few applications of Optical Communication ?
                   SECTION-C
Q3. Attempt any three questions.                            3×10=30
- Â What are the advantages and disadvantages of Optical Fiber Communication.
- List the various types of LED’s. Discuss the various types of LED structures.
- Describe Optical Power Budgeting ?
- What is the need of an Optical Amplifier? Discuss SOA.
- Explain the different types of losses in Optical Fibre Communication.
- Write short notes on (any two)
- Effect of dispersion on data Rate
- WDM
- Historical perspective of Optical Communication
Numerical Aperture indicates the light gathering capability of fiber .
Â
Light propagates along the fibre by Total internal Reflection Process.
Â
Snell’s law of refraction states that sinØ1/sinØ2 IS CALLED REFRACTIVE INDEX .
Â
LASER stands for Light Amplification Stimulated Emission of Radiation .
Â
EDFA stands for Erbium-Doped Fiber Amplifier .
Refractive index of cladding is Less than Core.
Â
Dispersion causes pulse Spread Out.Â
Â
Light source used in optical fiber converts electrical signal into Light Signal.
Â
APD stands for Avalanche Photo Diode.Â
Â
Dark Current
Â
Fibre to fibre joint is called Splicing.Â
Â
LED is based on the principle of Spontaneous Emission .
Â
Attenuation is measured in decibel (dB).Â
Â
PIN diode operates in Reverse Bias region.
Â
- Optical fiber communication uses WDM Multiplexing.
Optical Fiber Communication OFC 6th Sem Diploma Dec 2016 Solved Paper Click Here
Critical Angle
Snell’s Law
Â
Step Index and graded index FibresÂ
Â
Characteristics of light used in Optical CommunicationÂ
Block diagram of an Optical Receiver
Â
Different types of functional Amplifiers.
Â
What is Splicing
Two Techniques of SplicingÂ
Â
Applications of Optical CommunicationÂ
Few applications of Optical CommunicationÂ
Optical Fiber Communication OFC 6th Sem Diploma Dec 2016 Paper Click Here
Advantages and disadvantages of Optical Fiber Communication.
 Types of LED and its structures.
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Optical Power BudgetingÂ
Â
Need of an Optical Amplifier
Discuss SOA Amplifier
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Different types of losses in Optical Fibre Communication.
short notes on (any two)
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- Effect of dispersion on data Rate
2.WDM
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 3. Historical perspective of Optical Communication