Educational Objectives
l LED Transmitter
l LED Signal Modulation
l Si Photo Detector Receiver
l Dichroic Beam Splitter
l Dual Wavelength Data Transmission
l Plastic Fiber Handling andPreparation
l Plastic Fiber Attenuation
l Signal Beating and Cross Talk
The student starts with the preparation of a plastic fiber (POF):stripping, assembling a connector and polishing of the connector surface. Thelosses of different lengths of POFs in a transmission line are measured. A completetwo channel low frequency data transmission system is built up andinvestigated. A POF Y-coupler combines the two channels at the tansmitter side.An optical signal separation at the receiver side is performed. All necessarycomponents, fibers and control electronics like modulator, transmitter,receiver, demodulator and a pair of active speakers are included. Features likesignal cross talk and signal beating can be demonstrated. Additional signalsources like an MP3 player can be connected to the setup.