Fundamentals of theory of waveguiding in optical fibres: wave theory of guiding in step-index optical fibres and in graded-index optical fibres. Geometrical model of light guiding in multimode optical fibres: ray model of light guiding in step-index optical fibres and in graded-index optical fibres. Dispersion in optical fibres: Material dispersion. Waveguiding and chromatic dispersion. Dispersion in step-index optical fibres and in graded-index optical fibres. Dispersion in multimode optical fibres; ray model. Single-mode optical fibres: Optical field. Dispersion. Specialty optical fibres: Birefringent fibres. Microstructured and photonic bandgap fibres. Measurement of parameters of optical fibres: Loss measurement. Bandwidth measurement. Material and intermodal dispersion measurment. Group delay dispersion measurement. Measurement of dispersion by a phase method. Interferometric methods of a dispersion measurement: tandem time- and spectral-domain interferometry. Refractive index and refractive index profile measurements. Beat length measurement. Optical reflectometry method. Optical interferometrie: Digital processing of interferograms. Processing in the spectral domain. Position and displacement measurement; translation. Deformation field measurement. Holographic interferometry. Spectral optical interferometry: distance, displacement, thickness, dispersion measurements. Fourier spectoscopy. Optical reflectometry: Spectral reflectometry: measurement of parameters of thin films.