Quantum Mechanics:
de Broglie Hypothesis and Matter Waves, de Broglie wavelength and derivation of expression by analogy, Phase Velocity and Group Velocity, Heisenberg’s Uncertainty Principle and its application (Non existence of electron inside the nucleus-Non Relativistic), Principle of Complementarity, Wave Function, Time independent Schrödinger wave equation, Physical Significance of a wave function and Born Interpretation, Expectation value, Eigen functions and Eigen Values, Particle inside one dimensional infinite potential well, Waveforms and Probabilities. Numerical Problems
Electrical Properties of Solids:
Conductors:
Quantum Free Electron Theory of Metals: Assumptions, Fermi-energy, Fermi factor, Variation of Fermi Factor with Temperature and Energy, Mention of expression for electrical conductivity.
Dielectric Properties:
Polar and non-polar dielectrics, Electrical Polarization Mechanisms, internal fields in solids, Clausius-Mossotti equation (Derivation), Solid, Liquid and Gaseous dielectrics. Application of dielectrics in transformers, Capacitors, Electrical Insulation. Numerical Problems.
Superconductivity:
Introduction to Superconductors, Temperature dependence of resistivity, Meissner Effect, Critical Field, Temperature dependence of Critical field, Types of Super Conductors, BCS theory (Qualitative), High Temperature superconductivity, SQUID, MAGLEV, Numerical problems.
Lasers and Optical Fibers:
Lasers:
Characteristics of LASER, Interaction of radiation with matter, Expression for Energy Density and its significance. Requisites of a Laser System. Conditions for Laser action. Principle, Construction and Working of Carbon Dioxide Laser. Application of Lasers in Defense (Laser range finder) and Laser Printing. Numerical Problems
Optical Fibers:
Total Internal Reflection, Propagation mechanism, Angle of Acceptance, Numerical Aperture, Fractional Index Change, Modes of Propagation, Number of Modes and V Number, Types of Optical Fibers. Attenuation and Mention of Expression for Attenuation coefficient, Attenuation Spectrum of an Optical Fiber with Optical Windows. Discussion of Block Diagram of Point to Point Communication, Intensity based Fiber Optic Displacement Sensor, Merits and Demerits, Numerical problems.
Maxwell’s Equations and EM waves:
Maxwell’s Equations:
Fundamentals of Vector Calculus. Divergence and Curl of Electric field and Magnetic field (static), Gauss’ divergence theorem and Stoke’s theorem. Description of laws of Electrostatics, Magnetism, Faraday’s laws of EMI, Current Density, Equation of Continuity, Displacement Current (with derivation), Maxwell’s equations in vacuum, Numerical Problems
EM Waves:
The wave equation in differential form in free space (Derivation of the equation using Maxwell’s equations), Plane Electromagnetic Waves in vacuum, their transverse nature.
Semiconductors and Devices:
Fermi level in Intrinsic & Extrinsic Semiconductor, Expression for concentration of electrons in conduction band & holes concentration in valance band (only mention the expression), Relation between Fermi energy & Energy gap in intrinsic semiconductors(derivation), Law of mass action, Electrical conductivity of a semiconductor (derivation), Hall effect, Expression for Hall coefficient (derivation) and its application. Photo-diode and Power responsivity, Construction and working of Semiconducting Laser, Four probe method to determine resistivity, Phototransistor, Numerical problems. Pre-requisite: Basics of Semiconductors Self-learning: Fermi level in Intrinsic & Extrinsic Semiconductor
Course outcome (Course Skill Set)
At the end of the course the student will be able to:
CO1 Describe the fundamental principles of the Quantum Mechanics and the essentials of Photonics.
CO2 Elucidate the concepts of conductors, dielectrics and superconductivity
CO3 Discuss the fundamentals of vector calculus and their applications in Maxwell’s Equations and EM Waves.
CO4 Summarize the properties of semiconductors and the working principles of semiconductor devices.
CO5 Practice working in groups to conduct experiments in physics and Perform precise and honest measurements.
Assessment Details (both CIE and SEE)
Continuous Internal Evaluation(CIE):
The CIE marks for the theory component of the IC shall be 30 marks and for the laboratory component 20 Marks.
CIE for the theory component of the IC
CIE for the practical component of the IC
Scaled-down marks of write-up evaluations and tests added will be CIE marks for the laboratory component of IC/IPCC for 20 marks.
The theory component of the IC shall be for both CIE and SEE.
Semester End Examination(SEE):
Theory SEE will be conducted by University as per the scheduled timetable, with common question papers for the subject (duration 03 hours)
Suggested Learning Resources:
Books (Title of the Book/Name of the author/Name of the publisher/Edition and Year)
1. A Textbook of Engineering Physics- M.N. Avadhanulu and P.G. Kshirsagar, 10th revised Ed, S. Chand. & Company Ltd, New Delhi.
2. An Introduction to Lasers theory and applications by M.N. Avadhanulu and P.S. Hemne revised Edition 2012. S. Chand and Company Ltd -New Delhi.
3. Engineering Physics-Gaur and Gupta-Dhanpat Rai Publications-2017.
4. Concepts of Modern Physics-Arthur Beiser: 6th Ed; Tata McGraw Hill Edu Pvt Ltd- New Delhi 2006.
5. Fundamentals of Fibre Optics in Telecommunication & Sensor Systems, B.P. Pal, New Age International Publishers.
6. Introduction to Electrodynamics, David Griffith, 4th Edition, Cambridge University Press 2017.
7. Lasers and Non Linear Optics – B.B. Laud, 3rd Ed, New Age International Publishers 2011.
8. LASERS Principles, Types and Applications by K.R. Nambiar-New Age International Publishers.
9. Solid State Physics-S O Pillai, 8th Ed- New Age International Publishers-2018.