Interference of light: Classical interference schemes -- Interference with glass plates -- Multiple-beam interference -- The Fabry-Perot interferometer -- Optical resonator of a laser -- Scanning Fabry-Perot interferometer -- Diffraction of light: Fresnel diffraction -- Fraunhofer diffraction -- Fraunhofer diffraction in optical instruments -- Resolving power of optical instruments -- Fourier optics: Properties of Fourier spectra in optics -- Isoplanatic linear systems -- Spatial filtration -- History of quanta: Black body radiation -- Plank's law of radiation -- Formulae for equilibrium radiation -- Einstein's hypothesis of light quanta -- Spontaneous and induced radiation -- Shot noise -- Instantaneous intensity -- Quantum efficiency -- The random experiment -- Statistics of the number of photoelectrons -- Detection of low intensities -- Poisson's statistics with the concept of photons -- Interference of single photons -- White gaussian light: Fluctuations -- The quadrature components -- Computer model for the Gaussian light -- Correlation of light field: Visibility and complex degree of coherence -- General form of correlation of fields -- Spatial correlation of the field -- Temporal correlation of the light field -- The spatial mode -- Computer simulation of field correlation -- Correlation of light intensity -- Correlation functions of intensity -- Photo-current statistics -- The statistics of thermal radiation -- Optical beats experiment -- Hanbury-Brown and Twiss experiments -- Correlation of pseudo-Gaussian light -- References -- Index.