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 5 of 7

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Q41.
The fiber is positioned at the ________ of the lens in order to obtain a collimated beam and to minimize lens-to-lens longitudinal misalignment effects.

a.

Aperture

b.

Focal length

c.

Curve

d.

Exterior circumference

Discuss
Answer: (b).Focal length
Q42.
___________ exhibits a parabolic refractive index profile with a maximum at the axis similar to graded index fiber.

a.

Lens coupled design

b.

Sapphire ball lens

c.

Spherical micro-lens

d.

GRIN-rod lens

Discuss
Answer: (d).GRIN-rod lens
Q43.
The GRIN-rod lens can produce a collimated output beam with a divergent angle α of between _____________ from a light source situated on, or near to, the opposite lens face.

a.

1 to 5 degrees

b.

9 to 16 degrees

c.

4 to 8 degrees

d.

25 to 50 degrees

Discuss
Answer: (a).1 to 5 degrees
Q44.
In the given equation, if r is the radial distance, n is the refractive index; what does z stands for?

dr²/dz² = (1/n) (dn/dr)

a.

Focal length

b.

Distance along the optical axis

c.

Axial angle

d.

Diameter

Discuss
Answer: (b).Distance along the optical axis
Q45.
The majority of the GRIN-rod lenses have diameters in the range of ____________

a.

2 to 2.5 mm

b.

3 to 4 mm

c.

0.1 to 0.4 mm

d.

0.5 to 2 mm

Discuss
Answer: (d).0.5 to 2 mm
Q46.
Which of the following factors does not cause divergence of the collimated beam from a GRIN-rod lens?

a.

Lens cut length

b.

Size of fiber core

c.

Refractive index profile

d.

Chromatic aberration

Discuss
Answer: (c).Refractive index profile
Q47.
GRIN-rod lens connectors have loss characteristics that are independent of the modal power distribution in the fiber.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q48.
When considering source-to-fiber coupling efficiencies, the ________ is an important parameter than total output power.

a.

Numerical aperture

b.

Radiance of an optical source

c.

Coupling efficiency

d.

Angular power distribution

Discuss
Answer: (b).Radiance of an optical source
Q49.
It is a device that distributes light from a main fiber into one or more branch fibers.

a.

Optical fiber coupler

b.

Optical fiber splice

c.

Optical fiber connector

d.

Optical isolator

Discuss
Answer: (a).Optical fiber coupler
Q50.
Optical fiber couplers are also called as ________________

a.

Isolators

b.

Circulators

c.

Directional couplers

d.

Attenuators

Discuss
Answer: (c).Directional couplers
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