Optical Fiber Waveguides MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Optical Fiber Waveguides, 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 Optical Fiber Waveguides 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 Optical Fiber Waveguides mcq questions that explore various aspects of Optical Fiber Waveguides problems. Each MCQ is crafted to challenge your understanding of Optical Fiber Waveguides 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 Optical Fiber Waveguides MCQs are your pathway to success in mastering this essential Optical Communication topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Optical Fiber Waveguides. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Optical Fiber Waveguides knowledge to the test? Let's get started with our carefully curated MCQs!

Optical Fiber Waveguides MCQs | Page 5 of 5

Q41.
The high index contrast enables the PCF core to be reduced from around 8 μmin conventional fiber to __________
Discuss
Answer: (a).Less than 1 μm
Q42.
The periodic arrangement of cladding air holes in photonic band gap fibers provides for the formation of a photonic band gap in the ___________
Discuss
Answer: (d).Transverse plane of fiber
Q43.
In index-guided photonic crystal fiber structure, the dark areas are air holes. What does white areas suggests?
Discuss
Answer: (d).Plasma
Q44.
Which is the unit of measurement of attenuation in optical fibers?
Discuss
Answer: (c).dB/km
Q45.
The optical fiber incurs a loss in signal power as light travels down the fiber which is called as ___________
Discuss
Answer: (b).Attenuation
Q46.
If the input power 100 μW is launched into 6 km of fiber, the mean optical power at the fiber output is 2 μW. What is the overall signal attenuation through the fiber assuming there are no connectors or splices?
Discuss
Answer: (b).16.98 dB
Q47.
A device that reduces the intensity of light in optical fiber communications is ___________
Discuss
Answer: (b).Optical attenuator
Q48.
A decibel may be defined as the ratio of input and output optical power for a particular optical wavelength.
Discuss
Answer: (a).True
Q49.
When the input and output power in an optical fiber is 120 μW and 3 μW respectively and the length of the fiber is 8 km. What is the signal attenuation per km for the fiber?
Discuss
Answer: (b).2 dB/km
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