• Characterization of Fibers

• Guiding of Light in Fibers

• Laser Diodes

• Photo Detectors

• Coupling Optics

• Communications

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The basic idea to use guided light for data communication was published in 1939. However it took more than 20 years to develop first realistic technical solutions mainly encouraged by the first available diodelasers in 1962. These new light sources are ideally suited as transmitter because of their ability to be modulated and in addition, as we know today, they can be produced in large numbers at low prices. Today, the world wide communication is based on fibre optics combined with laserdiodes and the development in this area belongs to the most exciting ones in this century. In 1977, based on the experience and results rapid investigation in other fields than communications were initiated, leading for example in the development of fibre gyros for navigation purposes of air planes. In principle this new technology does not require a new understanding of the physics because the related phenomena are well known and can be considered as a combination of classical optics and lasers. However for the realisation a lot of technical problems had to been solved. In the fibres mainly used in communication the light is guided within a „glass tunnel" with a diameter of 5 µm only. The necessary mechanical components as well the production process of the fibres itself were subject of comprehensive developments. Considerable efforts today are undertaken to reduce fibre transmission losses by using so called active fibres and in the realisation of integrated optical devices for distributing and receiving signals.The field of fibre optics is still expanding and of high common interest. Therefore this experiment is considered as a basic set-up and further developments are under way to cover also active fibres and high speed data transmission.

Match Code
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CA-1410

Oder No.
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4900-9-1410