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Single-Mode Fibers

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Questions and Answers

What is the primary benefit of single-mode fibers in long-distance transmission?

Minimized signal distortion and attenuation (correct)

Faster transmission speed

Improved fiber durability

Increased signal strength

What is the typical core diameter of a single-mode fiber?

100-120 micrometers

20-25 micrometers

8-10 micrometers (correct)

50-60 micrometers

What is the primary reason single-mode fibers support only one mode of light propagation?

The core diameter is too large

The fiber is made of a special material

The refractive index difference between the core and cladding is higher (correct)

The fiber is too long

What is the effect of a larger core diameter on single-mode fibers?

It supports multiple modes of light propagation Signup and view all the answers

What is the primary application of single-mode fibers?

Long-distance transmission Signup and view all the answers

What characteristic of single-mode fibers enables them to minimize signal distortion and attenuation in long-distance transmission?

Supporting only one mode of light propagation Signup and view all the answers

How do the refractive index differences between the core and cladding of single-mode fibers contribute to their functionality?

It ensures that only one mode of light can propagate through the fiber Signup and view all the answers

What is the significance of the smaller core diameter of single-mode fibers?

It supports only one mode of light propagation Signup and view all the answers

Why are single-mode fibers more suitable for long-distance transmission compared to other types of fibers?

Because they minimize signal distortion and attenuation Signup and view all the answers

What is the primary advantage of single-mode fibers in terms of signal quality?

They minimize signal distortion and attenuation Signup and view all the answers