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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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Quantum cascade semiconductor infrared and far-infrared lasers : from trace gas sensing to non-linear optics

Duxbury, G and Langford, N and McCulloch, M T and Wright, S (2005) Quantum cascade semiconductor infrared and far-infrared lasers : from trace gas sensing to non-linear optics. Chemical Society Reviews, 34 (11). pp. 921-934. ISSN 0306-0012

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Abstract

The Quantum cascade (QC) laser is an entirely new type of semiconductor device in which the laser wavelength depends on the band-gap engineering. It can be made to operate over a much larger range than lead salt lasers, covering significant parts of both the infrared and submillimetre regions, and with higher output power. In this tutorial review we survey some of the applications of these new lasers, which range from trace gas detection for atmospheric or medical purposes to sub-Doppler and time dependent non-linear spectroscopy.