Abstract
An external cavity (EC) quantum cascade laser (QCL) configuration with the thermoelectrically cooled gain medium fabricated using a bound-to-continuum design and operating in continuous wave at ∼5.2 μm is reported. The EC architecture employs a piezo-activated cavity mode tracking system for mode-hop free operation suitable for high resolution spectroscopic applications and multiple species trace-gas detection. The performance of the EC-QCL exhibits coarse single mode tuning over 35 cm-1 and a continuous mode-hop free fine tuning range of ∼1.2 cm-1.
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07.07.Df; 42.55.Px; 42.62.Fi; 42.60.Fc
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Wysocki, G., Curl, R., Tittel, F. et al. Widely tunable mode-hop free external cavity quantum cascade laser for high resolution spectroscopic applications. Appl. Phys. B 81, 769–777 (2005). https://doi.org/10.1007/s00340-005-1965-4
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DOI: https://doi.org/10.1007/s00340-005-1965-4