First results for luminescence-based dual sensing of environmental parameters with a multicolor LED are presented.
With this method, cross-sensitivities of the luminescence material between such environmental properties can be
eliminated. A very compact and inexpensive sensor setup is possible by use of an LED as excitation source and another
LED simultaneously as luminescence detector. The parametrization of the cross-sensitivity will be discussed and
possible further simplifications of the sensor will be pointed out.
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