EXTENDED WAVELENGTH TUNING OF Pb1−xSnx Te LASERS
- 15 February 1971
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 18 (4), 158-159
- https://doi.org/10.1063/1.1653607
Abstract
The strong temperature dependence of the bandgap of Pb1−xSnx Te has made it possible to wavelength‐tune a diode laser made from this material by changing the operating temperature. This method permits the tuning of these devices over regions larger than 5000 GHz in the vicinity of 10 μ, making them promising tools for the detection of trace amounts of air pollution gases such as SO2 and N2O.Keywords
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