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A novel optical fibre based sensor for monitoring a high power microwave powered UV light source and its use in detection of microwave electric fields

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5 Author(s)
C. Fitzpatrick ; Dept. of Electron. & Comput. Eng., Limerick Univ., Ireland ; E. Lewis ; A. Al-Shamma'a ; J. Lucas
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A novel optical fibre sensor has been developed which is capable of monitoring ultra violet light output from a high power (>100 W) light source. This sensor comprises of a large core multimode fibre which has had its cladding removed and been coated with a phosphor doped polymer. Experiments are described which show the sensor's response to varying ultra violet light powers and the phosphor's absorption spectrum. A significant application for this sensor is the detection of microwave radiation in a cavity or waveguide of a microwave source using a miniaturised version of the tube and fibre. A proposal for this design is included

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High Performance Electron Devices for Microwave and Optoelectronic Applications, 2000 8th IEEE International Symposium on

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