1- Snells law - a. Critical Angle - b. Total reflections - c. Refraction index - d. Reflection - e. Refraction - f. Numerical Apertureg. Coreh. Claddingi. Vacuum refraction index - j. Light speed - 2- Modesa. Maxell s Equations - 3- Waveguides4- Light sources - 5- Single mode and multimode6- Attenuations - a. Scattering loss - b. Absorption loss - c. Attenuations windows7- Dispersionsa. Model dispersionsb. Chromatic dispersioni. Zero dispersionii. Non- zero dispersion shifted fibrec. Polarisation mode dispersion8- Total lossesa. Splicing lossesb. Connector lossesc. Micro bending lossesd. Macro bending losses9- Optical return losses10- Mechanical partsa. Patch panelb. Patch cordsc. Pigtailsd. Joint boxese. Optical fibre cablei. Indoorii. Outdoor1. Submarine2. OPGWiii. Numbers of coresiv. Drum lengths
