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TuDO Prof. Rüdiger Kays

UDE & Koordinator: Prof. Andreas Stöhr

RUB: Prof. Martin Hofmann

FHR: Prof. Nils Pohl


Project description:

The characterization of complex materials and moving objects in arbitrary environments is a central challenge for sensor engineering (e.g. for 3D material maps). For such complex tasks novel sensors must be developed, which can adjust waveform, frequency bandwidth, carrier frequency and observation sector adaptively to match the measuring environment and the material characteristics. New concepts are based on terahertz radio waves, which are suitable for location determination of objects, as well as for analysis of object surfaces and materials. Such sub-/millimeter-wave-sensors seem to be qualified for this task, but cannot be utilized smoothly, yet. The photonikSensor project addresses this challenge by development of a coherent photonic sensor that is sensitively tunable over a broad frequency range. The frequency adjustable test signal is generated by a photodiode linked with an antenna. For analysis the transmitted or reflected test signal is converted to a lower intermediate frequency by heterodyne coherent mixing. Therefore in photonikSensor for the first time sub-/millimeter-wave-photodiodes are integrated with electronic mixer-diodes that are activated by a tunable two-wavelength-laser that is also developed in photonikSensor.

The Communication Technology Institute assumes the tasks of analysis and modelling of the sensors, the wireless channel and the object characteristics in respect of a system theoretical description in the terahertz range, which can be used to evaluate areas of application.


Funded by:


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Dr.-Ing. Wolfgang Endemann
Tel.: 0231 755-3195