Transmission Characteristics of Optical Fibers MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Transmission Characteristics of Optical Fibers, a fundamental topic in the field of Optical Communication. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Transmission Characteristics of Optical Fibers MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Transmission Characteristics of Optical Fibers mcq questions that explore various aspects of Transmission Characteristics of Optical Fibers problems. Each MCQ is crafted to challenge your understanding of Transmission Characteristics of Optical Fibers principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Optical Communication tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Transmission Characteristics of Optical Fibers MCQs are your pathway to success in mastering this essential Optical Communication topic.

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Transmission Characteristics of Optical Fibers MCQs | Page 6 of 9

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Q51.
Γg = dβ / C*dk. What is β in the given equation?

a.

Attenuation constant

b.

Propagation constant

c.

Boltzmann’s constant

d.

Free-space

Discuss
Answer: (b).Propagation constant
Q52.
Most of the power in an optical fiber is transmitted in fiber cladding.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q53.
A single mode fiber has a zero dispersion wavelength of 1.21 μm and a dispersion slope of 0.08 psnm⁻²km⁻¹. What is the total first order dispersion at wavelength 1.26 μm.

a.

-2.8 psnm⁻¹km⁻¹

b.

-3.76 psnm⁻¹km⁻¹

c.

-1.2 psnm⁻¹km⁻¹

d.

2.4 psnm⁻¹km⁻¹

Discuss
Answer: (b).-3.76 psnm⁻¹km⁻¹
Q54.
The dispersion due to material, waveguide and profile are -2.8 nm⁻¹km⁻¹, 20.1 nm⁻¹km⁻¹ and 23.2 nm⁻¹km⁻¹respectively. Find the total first order dispersion?

a.

36.2 psnm⁻¹km⁻¹

b.

38.12 psnm⁻¹km⁻¹

c.

40.5 psnm⁻¹km⁻¹

d.

20.9 psnm⁻¹km⁻¹

Discuss
Answer: (c).40.5 psnm⁻¹km⁻¹
Q55.
Dispersion-shifted single mode fibers are created by __________

a.

Increasing fiber core diameter and decreasing fractional index difference

b.

Decreasing fiber core diameter and decreasing fractional index difference

c.

Decreasing fiber core diameter and increasing fractional index difference

d.

Increasing fiber core diameter and increasing fractional index difference

Discuss
Answer: (c).Decreasing fiber core diameter and increasing fractional index difference
Q56.
An alternative modification of the dispersion characteristics of single mode fibers involves achievement of low dispersion gap over the low-loss wavelength region between __________

a.

0.2 and 0.9 μm

b.

0.1 and 0.2 μm

c.

1.3 and 1.6 μm

d.

2 and 3 μm

Discuss
Answer: (c).1.3 and 1.6 μm
Q57.
The fibers which relax the spectral requirements for optical sources and allow flexible wavelength division multiplying are known as __________

a.

Dispersion-flattened single mode fiber

b.

Dispersion-enhanced single mode fiber

c.

Dispersion-compressed single mode fiber

d.

Dispersion-standardized single mode fiber

Discuss
Answer: (a).Dispersion-flattened single mode fiber
Q58.
For suitable power confinement of fundamental mode, the normalized frequency v should be maintained in the range 1.5 to 2.4 μm and the fractional index difference must be linearly increased as a square function while the core diameter is linearly reduced to keep v constant. This confinement is achieved by?

a.

Increasing level of silica doping in fiber core

b.

Increasing level of germanium doping in fiber core

c.

Decreasing level of silica germanium in fiber core

d.

Decreasing level of silica doping in fiber core

Discuss
Answer: (b).Increasing level of germanium doping in fiber core
Q59.
Any amount of stress occurring at the core-cladding interface would be reduced by grading the material composition.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q60.
The variant of non-zero-dispersion-shifted fiber is called as __________

a.

Dispersion flattened fiber

b.

Zero-dispersion fiber

c.

Positive-dispersion fiber

d.

Negative-dispersion fiber

Discuss
Answer: (d).Negative-dispersion fiber
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