Intended institutions and users:
Physics education in Medicine
How it works ...
This experiment comprises two drums of multimode fibre with one 1000 m and two 2000 m long multimode fibre. With this set data transmission segments can be realized with a length of 1000 m, 2000 m and 3000. The fibre drums are equipped with ST fibre jacks and by means of the provided fibre patch cable they can be interconnected. As signal sources a colour CCD Video camera and a CD - Player as audio source are used. They are connected to the fibre transmitter which converts the electronic signals into digital optical signals which are guided via the optical fibre to the optical receiver where the signals converted back to electronic audio as well as video signal. These signals are connected to a regular TV to watch the transmitted video as well as listen to the simultaneously transmitted audio. The optical signals having a wavelength of 1.3 µm and are detected in addition by the optional fast InGaAs photodetector. The amplitude can be shown on an oscilloscope and the amplitude measured for the 3 different length of the data segment. For each measurement the input and output power is measured and from this relation the fibre attenuation calculated.