Page 239 - FULL FINAL HANDBOOK 20232024

Faculty of Science Handbook, Academic Session 2023/2024

Introduction to laser: Basic laser theory, Characteristics of a laser beam, temporal and spatial
coherence, Classical Law of radiation,
Cavity modes, Einstein A and B coefficient, Quantum theory of two-level system interaction with
light, Light matter interactions: Absorption, spontaneous emission and stimulated emission, 3-
level laser system, 4-level laser system, Homogeneous and Inhomogeneous linewidth
broadening, Optical resonators (Fabry-Perot cavity), Transverse and longitudinal modes, Mode
density and cavity lifetime, Threshold power, small signal gain, gain saturation and power
extraction, TEM00 modes and its propagation, Q-switching, Mode-locking, Examples of solid-
state, gas and dye lasers,
Nonlinear optics:, Electro-optic effect, Magneto-optic effect, Acousto-optic effect.

Assessment Method:
Final Examination: 60%
Continuous Assessment: 40%

SIF2013 PHOTONICS (3 CREDITS)

Basics of optical fibre waveguides; Total internal reflection; Acceptance angle and Numerical
aperture; Skew rays; Electromagnetic mode theory for optical propagation in guided medium;
Modes in a planar waveguide; Phase and group velocity; Phase shift with total internal reflection
and evanescent field; Goos-Haenchen shift; Multimode optical fibre; Single mode optical fibre;
Transmission characteristics of optical fibre; Attenuation, Material absorption losses in silica
glass fibre; Linear and nonlinear scattering losses; Fibre bend loss; Mid-IR and Far-IR
transmission in optical fibre; Chromatic and intermodal dispersion; Dispersion-modified single-
mode fibres; Polarization and nonlinear effects in optical fibres; Fabrication of optical fibres; Fibre
and waveguide amplifiers and lasers; Rare-earth doped fibre amplifiers; Raman and Brillouin
fibre amplifiers; Telecom network, Waveguide amplifiers; waveguide fabrication, devices and
applications.

Assessment Method:
Final Examination: 60%
Continuous Assessment: 40%

SIF2015 ASTROPHYSICS (3 CREDITS)

Astronomical Tools : spherical astronomy, optical telescope, radio telescope and space
telescope
Atomic spectra, interaction of light and matter
Solar system: Origin of solar system and morphology of solar system. Sun-moon-earth
interactions.
Exoplanets and solar-like systems
The sun : atmosphere, solar activity and nuclear fusion
The stars: properties of the stars; brightness, distances, masses, sizes, star formation, stellar
structure and evolution; death of the stars
Binary stars: types, mass and mass transfer in close binary systems
Hertzsprung–Russell diagram
The Universe: Milky Way galaxy, galaxies.

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