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 7 of 7

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Q61.
A _____________ coupler comprises a number of cascaded stages, each incorporating three or four-port FBT couplers to obtain a multiport output.

a.

Star

b.

Ladder

c.

WDM

d.

Three-port

Discuss
Answer: (a).Star
Q62.
A number of three-port single-mode fiber couplers are used in the fabrication of a ladder coupler with 16 output ports. The three-port couplers each have an excess loss of 0.2 dB along with a splice loss of 0.1 dB at the interconnection of each stage. Determine the excess loss.

a.

1.9 dB

b.

1.4 dB

c.

0.9 dB

d.

1.1 dB

Discuss
Answer: (d).1.1 dB
Q63.
An FBG is developed within a fiber core having a refractive index of 1.30. Find the grating period for it to reflect an optical signal with a wavelength of 1.33 μm.

a.

0.51 μm

b.

0.58 μm

c.

0.61 μm

d.

0.49 μm

Discuss
Answer: (a).0.51 μm
Q64.
It is a passive device which allows the flow of optical signal power in only one direction and preventing reflections in the backward direction.

a.

Fiber slice

b.

Optical fiber connector

c.

Optical isolator

d.

Optical coupler

Discuss
Answer: (c).Optical isolator
Q65.
Which feature of an optical isolator makes it attractive to use with optical amplifier?

a.

Low loss

b.

Wavelength blocking

c.

Low refractive index

d.

Attenuation

Discuss
Answer: (b).Wavelength blocking
Q66.
Magneto-optic devices can be used to function as isolators.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q67.
How many implementation methods are available for optical isolators?

a.

One

b.

Four

c.

Two

d.

Three

Discuss
Answer: (d).Three
Q68.
A device which is made of isolators and follows a closed loop path is called as a ____________

a.

Circulator

b.

Gyrator

c.

Attenuator

d.

Connector

Discuss
Answer: (a).Circulator
Q69.
The commercially available circulators exhibit insertion losses around ________________

a.

2 dB

b.

0.7 dB

c.

0.2 dB

d.

1 dB

Discuss
Answer: (d).1 dB
Q70.
A combination of a FBG and optical isolators can be used to produce non-blocking optical wavelength division add/draw multiplexers.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
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