Applied Physics I: Chapter 9: Applied Optics - Fiber Optics

Structure of an optical fiber

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Optical fiber is made up of transparent dielectrics, (glass or plastics).

STRUCTURE OF AN OPTICAL FIBER

Optical fiber is made up of transparent dielectrics (SiO₂), (glass or plastics). An optical fiber consists of a central core glass (50 μm dia) surrounded by a cladding (125‒200 μm) which is of slightly lower refractive index than core as shown in Fig.9.1.

The cladding is enclosed by strength members (Kevlar) and polyurethane jacket, which acts as protective skin, for core and cladding, as shown in Fig.9.2, the protective layer is used so as to make the optical cable to withstand for hard pulling, bending, sketching, rolling etc. The layer also traps the escaping light from the core.

Applied Physics I: Chapter 9: Applied Optics - Fiber Optics : Tag: Applied Physics : - Structure of an optical fiber

Home | Department: Ist Year | Subject: Applied Physics I |

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Applied Physics I: Chapter 9: Applied Optics - Fiber Optics

Fiber Optics: Introduction

Structure of an optical fiber

Advantages of Optical fiber

Principle and propagation of light in optical fiber

Fibre optic communication system

Fibre optic sensors

Temperature or pressure sensor or Phase and polarization sensor (Intrinsic sensor) - Principle, Description, Working | Fibre optic sensors

Displacement Sensor (Extrinsic sensor) - Principle, Description, Working | Fibre optic sensors

Engineering Applications of Optical Fibres

Advantages of optical fibre communication over radio wave communication

Fiber Optics: Important Solved Problems

Fiber Optics: Important part-A 2 marks Short Questions and Answers

Fiber Optics: Important part-B questions

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