Summary

• Angular resolution
• Diffraction gratings
• Holography
• Thin film interference

• The Michelson Interferometer
• principle of operation
• unfolding - study Fig. 9.25 p. 409 and below
• 2d cos θ = m λ
• Fourier transform spectrometry
• in-class S37.46
  





• The Fabry-Perot interferometer