Subject Details
Dept     : ECE
Sem      : 1
Regul    : 2023
Faculty : P.Karthika
phone  : NIL
E-mail  : karthika.p.phy@snsce.ac.in
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Lecture Notes

UNIT 1:
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Elasticity – Stress-strain diagram and its uses
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Types of elastic modulus
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Factors affecting elastic modulus
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Bending of beams
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Bending moment – Cantilever: theory and experiment
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I-shaped girders – stress due to bending in beams
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Problems on bending of beams
UNIT 2:
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Spontaneous and stimulated emission- Population inversion
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Einstein’s A and B coefficients -derivation.
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Types of lasers – Nd:YAG
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CO2 Laser
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Semiconductor lasers and application
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Principle and propagation of light in optical fibres – Numerical aperture and Acceptance angle
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Types of optical fibres (material, refractive index, mode)
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Fibre Optical Communication system
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Fiber optic sensors