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Fiber Optics Basics Quiz

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Questions and Answers

What is the function of the Cladding in an optical fiber?

To transmit light signals over long distances

To carry EM waves of visible and IR frequencies

To protect the fiber from surroundings

To provide a cylindrical shell for the core (correct)

What material is used for the Protective Jacket of an optical fiber?

Polyurethane (correct)

Fiber core

Glass

Plastic

What are Fiber Optics?

Dielectric material used to carry EM waves of visible and IR frequencies

Cables made of optical fibers that can transmit large amounts of information at the speed of light (correct)

Long, thin strands of very pure glass used to transmit light signals over long distances

Cylindrical shells made of glass or plastic material used for transmitting digital data

What is the purpose of the Core in an optical fiber?

To carry EM waves of visible and IR frequencies Signup and view all the answers

What is the Refractive Index (RI) relationship between the Core and Cladding of an optical fiber?

RI of core is slightly greater than RI of Cladding Signup and view all the answers

What is the primary material used for making optical fibers?

Glass Signup and view all the answers

What is the purpose of the Cladding in an optical fiber?

To protect the Core from external damage Signup and view all the answers

Which section of the optical fiber has a slightly greater Refractive Index (RI) according to the text?

Core Signup and view all the answers

What is the function of the Protective Jacket in an optical fiber?

To shield the Cladding from environmental factors Signup and view all the answers

What is the typical diameter of a single optical fiber compared to a human hair?

Thinner than human hair diameter Signup and view all the answers

Study Notes

Optical Fiber Components and Function

Optical Fiber: Thin, transparent fiber made of glass or plastic used to transmit light signals over long distances.
Core: The central part of the optical fiber where light travels. It has a higher refractive index than the cladding.
Cladding: A layer surrounding the core that helps confine light within the core. It has a lower refractive index than the core.
Protective Jacket: Outermost layer of the optical fiber that protects the core and cladding from damage. Often made of materials like polyvinyl chloride (PVC) or high-density polyethylene (HDPE).

Optical Fiber Properties

Refractive Index (RI): A measure of how much light bends when passing through a material. The core's higher RI causes light to reflect internally within the core.
Primary Material: Optical fibers are mainly made of silica (SiO2), a material that provides high transparency and low signal loss.

Optical Fiber Size

Fiber Diameter: A typical single optical fiber is thinner than a strand of human hair.

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Description

Test your knowledge about the fundamentals of fiber optics, including the materials used, wave propagation, and applications in transmitting signals and digital data over long distances.