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    Bending modes metrology beyond 12m

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    Type
    Conference Paper
    Authors
    Gotti, R.
    Lamperti, M.
    Gatti, D.
    Shakfa, M. K.
    Cane, E.
    Tamassia, F.
    Schunemann, P.
    Laporta, P.
    Farooq, A.
    Marangoni, M.
    KAUST Department
    2King Abdullah University for Science and Technology, Clean Combustion Research Center, Thuwal 23955, Saudi Arabia
    Clean Combustion Research Center
    Date
    2021-06-21
    Permanent link to this record
    http://hdl.handle.net/10754/673052
    
    Metadata
    Show full item record
    Abstract
    Bending vibrational modes are responsible for a relevant fraction of molecular absorption spectra in the mid-infrared region at wavelengths beyond 12m. To date, the potential of this region for molecular fingerprinting, high-resolution spectroscopy and frequency metrology has been severely hampered by the lack of widely tunable single-mode lasers, with salt-diode lasers almost disappeared, nonlinear laser sources barely delivering optical powers in excess of few hundreds nanowatt [1] and commercial quantum-cascade-lasers (QCLs) hardly emitting beyond 12m in cw mode [2]. Recently, direct frequency comb spectroscopy has conquered such region and showed impressive capabilities to acquire ultrabroad high-resolution spectra till 16.7m [3]. Nevertheless, spectroscopic data of high metrological quality have not been reported yet, neither spectra with high quality factor in terms of signal-to-noise ratio per spectral point and number of spectral points per spectral feature.
    Citation
    Gotti, R., Lamperti, M., Gatti, D., Shakfa, M. K., Cane, E., Tamassia, F., … Marangoni, M. (2021). Bending modes metrology beyond 12 μm. 2021 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC). doi:10.1109/cleo/europe-eqec52157.2021.9542519
    Publisher
    IEEE
    Conference/Event name
    2021 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2021
    ISBN
    9781665418768
    DOI
    10.1109/CLEO/Europe-EQEC52157.2021.9542519
    Additional Links
    https://ieeexplore.ieee.org/document/9542519/
    ae974a485f413a2113503eed53cd6c53
    10.1109/CLEO/Europe-EQEC52157.2021.9542519
    Scopus Count
    Collections
    Conference Papers; Clean Combustion Research Center

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