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Taken through the lens of a microscope, the picture shows a close-up of the photonic integrated circuit used for the ammonia detector. The chip is roughly 2x2.6 mm2 in size. Photo: Andreas Hänsel, Aarhus University.

2020.12.01 | AU Engineering, Department of Biological and Chemical Engineering, Department of Electrical and Computer Engineering

Danish researchers develop budget optical ammonia sensor

In collaboration with the Technical University of Denmark (DTU), the Department of Engineering at Aarhus University has developed photonic sensor technology that can pave the way for a portable, reliable and, above all, inexpensive device for detecting ammonia and other gases in agriculture.