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Contact: Professor Helmut Ritsch
helmut.ritsch@uibk.ac.at
43-512-507-52213
University of Innsbruck
Caption: This is a schematic picture of a quantum cascade laser. The layers of different semiconductor material constitute the bandstructure shown in the inset.
Credit: Graphics: Christoph Deutsch
Usage Restrictions: Only with news coverage on the University of Innsbruck, or the University of Vienna
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