Official Syllabus

MPY301Laser Physics

M.Sc. Physics (Electronics Specialization) — Semester III · L-3 T-1 P-0, Credits: 4

Reproduced from the official Scheme of Instruction & Syllabi published by Invertis University (invertisuniversity.ac.in) for this course.

Unit 1 — Properties of Lasers (9 contact hrs)

Laser fundamentals: spontaneous and stimulated emission
Einstein coefficients (A and B)
Population inversion, pumping mechanisms, gain, optical cavities
Properties: temporal and spatial coherence, directionality
Main components of a laser system; principle of laser action
Introduction to general lasers and their classification
Three-level and four-level laser systems; CW and pulsed lasers

Unit 2 — Types of Lasers (8 contact hrs)

Atomic and ionic lasers
Molecular lasers
Excimer lasers
Liquid (dye) lasers
Solid-state lasers (Ruby, Nd:YAG)
Semiconductor (diode) lasers
Fibre lasers

Unit 3 — Holography & Fibre Optics (8 contact hrs)

Basic principle of holography
Construction and reconstruction of a hologram
Applications of holography; Holographic Non-Destructive Testing (HNDT)
Holographic storage
Optical fibre principle and types of fibres
Fibre-optic communication; fibre amplifiers
Fibre-optic sensors

Unit 4 — Lasers in Science (8 contact hrs)

Saturation spectroscopy
Excited-state spectroscopy
Non-linear spectroscopy
Time-domain spectroscopy and applications
Stimulated Raman emission
Laser fusion
Medical and photo-chemical applications of lasers

Unit 5 — Lasers in Industry (8 contact hrs)

Materials processing: drilling, cutting, welding, alloying
Thermal deposition, Laser Chemical Vapour Deposition (LCVD)
Laser hardening and annealing
LIDAR (Light Detection and Ranging)