<P><STRONG>Interference of light</STRONG>: Classical interference schemes.- Interference with glass plates.- Multiple-beam interference.- The Fabry-Perot interferometer.- Optical resonator of a laser.- Scanning Fabry-Perot interferometer.- <STRONG>Diffraction of light</STRONG>: Fresnel diffraction.- Fraunhofer diffraction.- Fraunhofer diffraction in optical instruments.- Resolving power of optical instruments.- <STRONG>Fourier optics</STRONG>: Properties of Fourier spectra in optics.- Isoplanatic linear systems.- Spatial filtration.- <STRONG>History of quanta</STRONG>: 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.- <STRONG>White gaussian light</STRONG>: Fluctuations.- The quadrature components.- Computer model for the Gaussian light.- <STRONG>Correlation of light field</STRONG>: 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.- <STRONG>References</STRONG>.- <STRONG>Index.</STRONG></P>