The first part of the Diploma work describes the phenomenon of dispersion and its consequences, which appear in optical link. There are two types of dispersion (chromatic and achromatic), each has several sub-types, so that a detailed explanation to understand the differences between the sub-types is necessary.
A practical test follows, where we are trying to show the effect of weakening of the signal on a longer optical connection (app. 35 km) with the use of an optical fibre and Fabry Perot laser. Measurements are divided into the measurement of weakening of the system, entered into the optical link, and measurement of the weakening of the optical cable.
In the last part the main aim is to show the colour dispersion compensation techniques. Considering the fact that the dispersion phenomenon in optical link is relatively simple to compensate, it is important to present several types of compensation with detailed description and explanation.
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