Optical Fiber Connections MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Optical Fiber Connections, 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 Connections 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 Connections mcq questions that explore various aspects of Optical Fiber Connections problems. Each MCQ is crafted to challenge your understanding of Optical Fiber Connections 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 Connections 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 Connections. 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 Connections knowledge to the test? Let's get started with our carefully curated MCQs!

Optical Fiber Connections MCQs | Page 6 of 7

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Q51.
How many types of multiport optical fiber couplers are available at present?

a.

Two

b.

One

c.

Four

d.

Three

Discuss
Answer: (d).Three
Q52.
The optical power coupled from one fiber to another is limited by ____________

a.

Numerical apertures of fibers

b.

Varying refractive index of fibers

c.

Angular power distribution at source

d.

Number of modes propagating in each fiber

Discuss
Answer: (d).Number of modes propagating in each fiber
Q53.
________ couplers combine the different wavelength optical signal onto the fiber or separate the different wavelength optical signal output from the fiber.

a.

3-port

b.

2*2-star

c.

WDM

d.

Directional

Discuss
Answer: (c).WDM
Q54.
How many fabrication techniques are used for 3 port fiber couplers?

a.

One

b.

Two

c.

Three

d.

Four

Discuss
Answer: (b).Two
Q55.
Which is the most common method for manufacturing couplers?

a.

Wavelength division multiplexing

b.

Lateral offset method

c.

Semitransparent mirror method

d.

Fused bi-conical taper (FBT) technique

Discuss
Answer: (d).Fused bi-conical taper (FBT) technique
Q56.
Couplers insertion loss is same as that of excess loss.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q57.
A four-port multimode fiber FBT coupler has 50 μW optical power launched into port 1. The measured output power at ports 2,3 and 4 are 0.003, 23.0 and 24.5 μW respectively. Determine the excess loss.

a.

0.22 dB

b.

0.33 dB

c.

0.45 dB

d.

0.12 dB

Discuss
Answer: (a).0.22 dB
Q58.
A four-port FBT coupler has 60 μW optical power launched into port one. The output powers at ports 2, 3, 4 are 0.0025, 18, and 22 μW respectively. Find the split ratio?

a.

42%

b.

46%

c.

52%

d.

45%

Discuss
Answer: (d).45%
Q59.
How many manufacturing methods are used for producing multimode fiber star couplers?

a.

Two

b.

One

c.

Three

d.

Five

Discuss
Answer: (a).Two
Q60.
Calculate the splitting loss if a 30×30 port multimode fiber star coupler has 1 mW of optical power launched into an input port.

a.

13 dB

b.

15 dB

c.

14.77 dB

d.

16.02 dB

Discuss
Answer: (c).14.77 dB
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