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Optical wave guides (OWG) are predestinated for controlling and monitoring in EMC testing. Optical fibres neither are influenced by the RF fields nor do they influence this fields. That means, optical fibres are neutral with regard to EMC, both in emissions and in immunity. 1) OWG: Optical wave guides |
Optical fibres made of glas are often used for high speed data transmission, eg for CAN. Optical fibres made of plastic have less bandwith, so they can only be used for low speed transmission. Anyway they are a good choice for laboratory use, because the connectors can be mounted very easily. |