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Fiber Optics

LASER and Fiber fiber Questions and Answers | Notes

February 7, 2021 by imBooz Leave a Comment

LASER and Fiber fiber Questions and Answers | Notes

LASER and Fiber fiber Questions and Answers in PDF What is a Laser? Give major properties of laser light. Or Explain in brief the characteristics of a laser beam. Or How does laser differ from ordinary light? What are Einstein’s coefficients? Derive Einstein’s relation. Or Explain the three quantum processes of interaction of radiation with the matter and derive the … [Read more...] about LASER and Fiber fiber Questions and Answers | Notes

Plesiochronous Digital Hierarchy And of Synchronous Digital Hierarchy (PDH and SDH)

October 22, 2018 by Dr. IM Leave a Comment

Plesiochronous Digital Hierarchy And of Synchronous Digital Hierarchy (PDH and SDH)

Overview of Plesiochronous Digital Hierarchy And of Synchronous Digital Hierarchy (PDH and SDH) With the introduction of PCM technology in the 1960s, communications networks were gradually converted to digital technology over the next few years. To cope with the demand for ever higher bit rates, a multiplex hierarchy called the plesiochronous digital hierarchy (PDH) evolved. … [Read more...] about Plesiochronous Digital Hierarchy And of Synchronous Digital Hierarchy (PDH and SDH)

Environment Effect on Optical Fiber | OFC Splicing

October 22, 2018 by Dr. IM Leave a Comment

Environment Effect on Optical Fiber | OFC Splicing

What are the Environment Effect on Optical Fiber? What is OFC Splicing? THE ENVIRONMENT EFFECT There are however always small defects at the surface of the fiber, called microcracks. These cracks grew when water vapour is present and the fiber simultaneously is under strain, hence shortening the life of the fiber. Another effect ingress of water, which may increase of … [Read more...] about Environment Effect on Optical Fiber | OFC Splicing

Losses in Optical Fiber: Attenuation | Dispersion | Tube Buffering

October 22, 2018 by Dr. IM Leave a Comment

Losses in Optical Fiber: Attenuation | Dispersion | Tube Buffering

What is the Attenuation? How many types of Dispersion? How many types of Fiber Buffering Loose? What is the Tube Buffering? ATTENUATION: loss of optical power Attenuation is defined as the loss of optical power over a set distance, a fiber with lower attenuation will allow more power to reach a receiver than fiber with higher attenuation. Attenuation may be categorized as … [Read more...] about Losses in Optical Fiber: Attenuation | Dispersion | Tube Buffering

Types of Fiber Optics

October 22, 2018 by Dr. IM Leave a Comment

Types of Fiber Optics

How many types of Fiber Optics? Types of Fiber Optics: The refractive Index profile describes the relation between the indices of the core and cladding. Two main relationship exists : (I) Step Index (II) Graded Index The step index fiber has a core with uniform index throughout. The profile shows a sharp step at the junction of the core and cladding. In contrast, the … [Read more...] about Types of Fiber Optics

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