FIELD: physics.
SUBSTANCE: devices may contain an array having at least two sensitive elements having different reaction towards an analyte. Each of the sensitive elements has at least an optically reactive layer, having at least a sublayer highly sensitive to the analyte. At least one sensitive element of the array further contains a sublayer that is minimally sensitive to the analyte, said sublayer making up part of the thickness of the optically reactive layer.
EFFECT: wider range of dynamic sensitivity, high reliability and accuracy.
15 cl, 8 dwg
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