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  "title": "Mid-Infrared Line Intensity for the Fundamental (1\u20130) Vibrational Band of Carbon Monoxide (CO)",
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    "Here we apply cavity ring-down spectroscopy to measure the intensity of a rotational-vibrational transition within the fundamental (1\u20130) vibrational band of carbon monoxide (CO). Laser measurements were made at a wavenumber near 2206 cm\u22121 on a sample of CO-in-air with an amount fraction of \u03c7CO\u202f=\u202f77.6 nmol mol\u22121. High-precision cavity ring-down spectra were acquired using hybrid amorphous-crystalline mirrors to form the optical resonator and by application of simple and robust laser scanning and control techniques. With a relative combined standard uncertainty of uS\u202f=\u202f0.6 %, we report the R17 line intensity for the fundamental (1\u20130) vibrational band of 12C16O to be S\u202f=\u202f1.028\u202f\u00d7\u202f10\u221219 cm\u22121 molecule\u22121 (isotopologue abundance, \u03c7iso\u202f=\u202f100 %; temperature, T\u202f=\u202f296 K), a value which differs from HITRAN2020 by a relative amount of 2.2 %."
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      "title": "Mid-Infrared Line Intensity for the Fundamental (1\u20130) Vibrational Band of Carbon Monoxide (CO)",
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      "citation": "Bailey, D. M., Truong, G.-W., Hall, B. D., Crotwell, A. M., Harris, K. J., Carney, J., Nguyen, C., Cata\u00c3\u00b1o-Lopez, S. B., Perner, L. W., Wittwer, V. J., S\u00c3\u00bcdmeyer, T., Heckl, O. H., Hodges, J. T., Cole, G. D., & Fleisher, A. J. (2025). Mid-Infrared Line Intensity for the Fundamental (1\u00e2\u0080\u00930) Vibrational Band of Carbon Monoxide (CO). Journal of Quantitative Spectroscopy and Radiative Transfer, 109652. https://doi.org/10.1016/j.jqsrt.2025.109652\n"
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