Subject Code:	Subject Name: Physics III: (Electromagnetic Waves and Optics)	L-T-P: 3-0-2	Credit: 4
Pre-requisite(s): None
Electromagnetic waves: Time varying fields, conservation laws, Plane waves, propagation in nonconducting and conducting media. Reflection and refraction, Fresnel relations. Kramers Kronig relations. Poynting theorem – for harmonic fields – in dispersive medium. Transformation properties of the EM field. Wave guides & Cavities: Fields within a conductor. Rectangular and cylindrical geometries. Orthonormal modes. Energy flow and attenuation. Power loss and Q-value. Optics: Interference by division of amplitude and wavefront. Phase change on reflection, Interference in Thin Films. Interferometer: Michelson Interferometer, Fabry-Perot interferometer. Temporal and Spatial Coherence. Diffraction: Kirchhoff’s Integral Theorem, Fresnel-Kirchhoff’s Integral formula and its application to rectangular slit. Fraunhofer diffraction: Single slit, Circular aperture, Double slit. Multiple slits. Diffraction grating. Resolving power of a grating. Laser- Stimulated Emission, Spontaneous Emission, Population Inversion, Optical Cavity, Einstein Coefficients. Laboratory experiments: To determine the refractive index of the Material of a prism using a sodium source. To determine the dispersive power and Cauchy constants of the material of a prism using a mercury source. To determine the wavelength of sodium light using Newton's Rings. To determine the wavelength of (1) Na source and (2) spectral lines of Hg source using plane diffraction grating. To determine the dispersive power and resolving power of a plane diffraction grating. To determine the wavelength and phase using the Michelson and Mach-Zehnder interferometer. To determine the specific rotation of sugar solution by polarimeter. Text/Reference Books: Introduction to Electrodynamics, D.J. Griffiths, 3rd Edn., 1998, Benjamin Cummings. Fundamentals of Optics, F.A. Jenkins and H.E. White, 1981, McGraw-Hill Principles of Optics, Max Born and Emil Wolf, 7th Edn., 1999, Pergamon Press. Optics, Ajoy Ghatak, 2008, Tata McGraw Hill Optics by Hecht & Ganesan Pearson The Physics of Vibrations and Waves, H. J. Pain, 2013, John Wiley and Sons.

Subject Code:

Subject Name: Physics III: (Electromagnetic Waves and Optics)

L-T-P: 3-0-2

Credit: 4

Pre-requisite(s): None

Electromagnetic waves: Time varying fields, conservation laws, Plane waves, propagation in nonconducting and conducting media. Reflection and refraction, Fresnel relations. Kramers Kronig relations. Poynting theorem – for harmonic fields – in dispersive medium. Transformation properties of the EM field. Wave guides & Cavities: Fields within a conductor. Rectangular and cylindrical geometries. Orthonormal modes. Energy flow and attenuation. Power loss and Q-value. Optics: Interference by division of amplitude and wavefront. Phase change on reflection, Interference in Thin Films. Interferometer: Michelson Interferometer, Fabry-Perot interferometer. Temporal and Spatial Coherence. Diffraction: Kirchhoff’s Integral Theorem, Fresnel-Kirchhoff’s Integral formula and its application to rectangular slit. Fraunhofer diffraction: Single slit, Circular aperture, Double slit. Multiple slits. Diffraction grating. Resolving power of a grating. Laser- Stimulated Emission, Spontaneous Emission, Population Inversion, Optical Cavity, Einstein Coefficients.

Laboratory experiments:

To determine the refractive index of the Material of a prism using a sodium source.
To determine the dispersive power and Cauchy constants of the material of a prism using a mercury source.
To determine the wavelength of sodium light using Newton's Rings.
To determine the wavelength of (1) Na source and (2) spectral lines of Hg source using plane diffraction grating.
To determine the dispersive power and resolving power of a plane diffraction grating.
To determine the wavelength and phase using the Michelson and Mach-Zehnder interferometer.
To determine the specific rotation of sugar solution by polarimeter.

Text/Reference Books:

Introduction to Electrodynamics, D.J. Griffiths, 3rd Edn., 1998, Benjamin Cummings.
Fundamentals of Optics, F.A. Jenkins and H.E. White, 1981, McGraw-Hill
Principles of Optics, Max Born and Emil Wolf, 7th Edn., 1999, Pergamon Press.
Optics, Ajoy Ghatak, 2008, Tata McGraw Hill
Optics by Hecht & Ganesan Pearson
The Physics of Vibrations and Waves, H. J. Pain, 2013, John Wiley and Sons.