WEEK 5-6 : Interference of light


Student Learning Objectives

  • To recognize the experimental evidence for the wave nature of light.
  • To understand how and why interference of light waves occurs.
  • To understand how constructive and destructive interference are related to the path-length difference.
  • To calculate the interference patterns of double slits.
  • To understand the conditions for constructive and destructive interference in thin films.
  • To study the spreading of waves due to diffraction.
  • To understand how light diffracts through single slits and circular apertures.
  • To understand how diffraction limits the resolution of optical instruments.

LECTURE 1: Nature of light , d/f theories related to it

LECTURE 2: Interference of light, condition of interference, types of interference

LECTURE 3: Young double slit experiment

LECTURE 4: Analytical treatment of intensity of light in Young double slit experiment

LECTURE 5: Interference in thin films, Newton's ring

LECTURE 6: Michelson interferometer