Fibre optic temperature measurements without external effects (magnetic fields, radio frequencies, microwaves) can work quickly and easily even in hazardous areas.OverviewFiber-optical thermometers can be used in strongly influenced environment, in fields, power plants or explosion-proof areas and wherever measurement with electrical One type of fibre optic temperature probe consists of a (GaAs) semiconductor crystal that is mounted on the end of an optical fibre. The probe is completely non-metallic. The fibre optical sensor is c.