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  • 9:03 PM, Monday, 12 Apr 2021

Course Postgraduate
Semester Electives
Subject Code PH671
Subject Title Nano Optics


Theoretical Foundations: Macroscopic electrodynamics, wave equations, time harmonic fields, Dyadic Green’s function, Evanescent fields. Propagation and focusing of optical fields – field operators, paraxial approximation of optical fields, polarized electric and magnetic fields, focusing of fields, point spread function, principles of confocal microscopy, near field optical microscopy, scanning near –field optical microscopy

Nanoscale optical microscopy – far field illumination and detection, near field illumination and far-field detection, far field illumination and near field detection, energy transfer microscopy. Near –field optical probes- dielectric probes- conical, tapered, tetrahedral, Aperture probes.  Probe –sample distance control.

Light emission and optical interactions in nanoscale environments- mutipole expansion, radiating electric dipole, spontaneous decay, delocalized excitations, Quantum emitters, dipole emission near planar interfaces, Light in periodic structures: Photonic crystals and resonators, Surface plasmons. Meta materials.

Text Books

Same as Reference


1. Principles of Nano-optics, L Novotny and B Hecht, Cambridge University Press (2006)
2. Introduction to Nanophotonics, S V Gaponenko, Cambridge University Press (2010)
3. Nanophotonics, H Rigneault(Ed.), ISTE (2006)
4. Principles of nanophotonics, Motoichi Ohtsu, CRC Press, (2008)