Gas spectroscopy with integrated frequency monitoring through self-mixing in a terahertz quantum-cascade laser.
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DOI: 10.1364/ol.43.002225
Abstract: We demonstrate a gas spectroscopy technique, using self-mixing in a 3.4 terahertz quantum-cascade laser (QCL). All previous QCL spectroscopy techniques have required additional terahertz instrumentation (detectors, mixers, or spectrometers) for system pre-calibration or spectral analysis.… read more here.
Keywords: self mixing; gas; gas spectroscopy; spectroscopy ... See more keywords