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  • Title: Preliminary results of heterodyne detection with quantum-cascade lasers in the 9 microm region.
    Author: Parvitte B, Joly L, Zéninari V, Courtois D.
    Journal: Spectrochim Acta A Mol Biomol Spectrosc; 2004 Dec; 60(14):3285-90. PubMed ID: 15561610.
    Abstract:
    In this paper, we describe recent results in mid-infrared heterodyne detection using quantum-cascade (QC) lasers as local oscillator (LO). In the 9 microm range, the heterodyne detection technique was first developed with CO(2) lasers and then with Pb-salt diode lasers. Quantum-cascade lasers are promising high quality tunable mid-infrared sources. We developed a quantum-cascade laser based heterodyne spectrometer. Atmospheric absorption spectra of ozone are presented.
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