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Compared to a mid-IR free-space sunlight coupling system, usually used in a current LHR, such a fiber-coupling system configuration makes the mid-infrared (MIR) LHR fully transportable. The noise sources, heterodyne signal, and SNR of the MIR LHR were analyzed, and the optimum operating local oscillator (LO) photocurrent was experimentally obtained. The spectroscopic performance of the MIR LHR was finally evaluated. This work demonstrated that the developed fully transportable MIR LHR could be used for ground-based atmospheric sounding measurements of multiple trace gases in the atmospheric column. 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(2006). Atmospheric Composition, Fundamentals of Physical Geography, University of British Columbia Okanagan. [2nd ed.]. Date Viewed."},{"key":"ref_2","unstructured":"Tsai, T. (2012). External Cavity Quantum Cascade Lasers for Spectroscopic Applications. [Ph.D. Dissertation, Princeton University]."},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"419","DOI":"10.1364\/OL.482351","article-title":"Super tiny quartz-tuning-fork-based light-induced thermoelastic spectroscopy sensing","volume":"48","author":"Qiao","year":"2023","journal-title":"Opt. Lett."},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"033001","DOI":"10.3788\/COL202321.033001","article-title":"Advances in multipass cell for absorption spectroscopy-based trace gas sensing technology","volume":"21","author":"Liu","year":"2023","journal-title":"Chin. Opt. Lett."},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"2840","DOI":"10.1364\/AO.13.002840","article-title":"Remote Atmospheric Sensing with an Airborne Laser Absorption Spectrometer","volume":"13","author":"Menzies","year":"1974","journal-title":"Appl. Opt."},{"key":"ref_6","doi-asserted-by":"crossref","first-page":"2597","DOI":"10.1364\/AO.15.002597","article-title":"Ozone spectroscopy with a CO2 waveguide laser","volume":"15","author":"Menzies","year":"1976","journal-title":"Appl. Opt."},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"526","DOI":"10.1364\/AO.16.000526","article-title":"Infrared heterodyne spectroscopy of atmospheric ozone","volume":"16","author":"Frerking","year":"1977","journal-title":"Appl. Opt."},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"3171","DOI":"10.1364\/OL.426432","article-title":"Transportable mid-infrared laser heterodyne radiometer operating in the shot-noise dominated regime","volume":"46","author":"Shen","year":"2021","journal-title":"Opt. Lett."},{"key":"ref_9","unstructured":"Shen, F. (2019). Development of a laser heterodyne radiometer for atmospheric remote sensing. Instrumentation and Detectors [physics.ins-det], Universit\u00e9 du Littoral C\u00f4te d\u2019Opale. (In English)."},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"385","DOI":"10.1007\/s00340-013-5531-1","article-title":"Miniaturized laser heterodyne radiometer for measurements of CO2 in the atmospheric column","volume":"114","author":"Wilson","year":"2014","journal-title":"Appl. Phys. B"},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"609","DOI":"10.1007\/s00340-015-6172-3","article-title":"Autonomous field measurements of CO2 in the atmospheric column with the miniaturized laser heterodyne radiometer (Mini-LHR)","volume":"120","author":"Melroy","year":"2015","journal-title":"Appl. Phys. B"},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"211","DOI":"10.1007\/s00340-019-7315-8","article-title":"A portable miniaturized laser heterodyne radiometer (mini-LHR) for remote measurements of column CH4 and CO2","volume":"125","author":"Wilson","year":"2019","journal-title":"Appl. Phys. B"},{"key":"ref_13","doi-asserted-by":"crossref","first-page":"604","DOI":"10.1070\/QEL16859","article-title":"Measurements of the fully resolved contour of the carbon dioxide absorption line in a band at \u03bb = 1.605 \u03bcm in the atmospheric column using high-resolution heterodyne spectroradiometry method","volume":"49","author":"Zenevich","year":"2019","journal-title":"Quantum Electron."},{"key":"ref_14","doi-asserted-by":"crossref","first-page":"13825","DOI":"10.1364\/OE.22.013825","article-title":"High resolution heterodyne spectroscopy of atmospheric methane NIR absorption","volume":"22","author":"Rodin","year":"2014","journal-title":"Opt. Express"},{"key":"ref_15","doi-asserted-by":"crossref","first-page":"106083","DOI":"10.1016\/j.optlaseng.2020.106083","article-title":"A fibered near-infrared laser heterodyne radiometer for simultaneous remote sensing of atmospheric CO2 and CH4","volume":"129","author":"Wang","year":"2020","journal-title":"Opt. Laser Eng."},{"key":"ref_16","first-page":"610","article-title":"Mid-infrared laser heterodyne radiometer (LHR) based on a 3.53 \u03bcm room-temperature interband cascade laser","volume":"27","author":"Wang","year":"2019","journal-title":"Opt. Express"},{"key":"ref_17","doi-asserted-by":"crossref","first-page":"945995","DOI":"10.3389\/fphy.2022.945995","article-title":"MEMS Modulator-Based Mid-Infrared Laser Heterodyne Radiometer for Atmospheric Remote Sensing","volume":"10","author":"Xue","year":"2022","journal-title":"Front. Phys."},{"key":"ref_18","doi-asserted-by":"crossref","first-page":"31828","DOI":"10.1364\/OE.469271","article-title":"A MEMS modulator-based dual-channel mid-infrared laser heterodyne radiometer for simultaneous remote sensing for atmospheric N2O, CH4 and HDO","volume":"30","author":"Xue","year":"2022","journal-title":"Opt. Express."},{"key":"ref_19","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/j.jqsrt.2018.09.022","article-title":"Real-time monitoring of N2O production in a catalytic reaction process using mid-infrared quantum cascade laser","volume":"221","author":"Shen","year":"2018","journal-title":"J. Quant. Spectrosc. Radiat. Transf."},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"8779","DOI":"10.1364\/AO.51.008779","article-title":"Atmospheric vertical profiles of O3, N2O, CH4, CCl2F2, and H2O retrieved from external-cavity quantum-cascade laser heterodyne radiometer measurements","volume":"51","author":"Tsai","year":"2012","journal-title":"Appl. Opt."},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"1951","DOI":"10.1364\/OL.36.001951","article-title":"Atmospheric observations of multiple molecular species using ultra-high-resolution external cavity quantum cascade laser heterodyne radiometry","volume":"36","author":"Weidmann","year":"2011","journal-title":"Opt. Lett."},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"1115","DOI":"10.1364\/AO.42.001115","article-title":"Infrared 7.6 \u00b5m lead-salt diode laser heterodyne radiometry of water vapor in a CH4-air premixed flat flame","volume":"42","author":"Weidmann","year":"2003","journal-title":"Appl. Opt."},{"key":"ref_23","unstructured":"Weidmann, D. (2002). Radiometrie Heterodyne Infrarouge par Diode Laser Accordable. [Ph.D. Dissertation, Reims University]."},{"key":"ref_24","doi-asserted-by":"crossref","first-page":"691","DOI":"10.1007\/BF00727583","article-title":"Signal-to-noise ratio and other characteristics of heterodyne radiation receivers","volume":"17","author":"Blaney","year":"1975","journal-title":"Space Sci. Rev."},{"key":"ref_25","doi-asserted-by":"crossref","first-page":"5975","DOI":"10.5194\/amt-9-5975-2016","article-title":"Thermal infrared laser heterodyne spectroradiometry for solar occultation atmospheric CO2 measurements","volume":"9","author":"Hoffmann","year":"2016","journal-title":"Atmos. Meas. Tech."},{"key":"ref_26","first-page":"391","article-title":"Photo-electric mixing of coherent and incoherent light","volume":"19","author":"Niwuwenhuijzen","year":"1967","journal-title":"Bull. Astr. Inst. Neth."},{"key":"ref_27","unstructured":"Horowitz, P., and Hill, W. (1989). The Art of Electronics, Cambridge University Press. [2nd ed.]."},{"key":"ref_28","doi-asserted-by":"crossref","first-page":"244","DOI":"10.1070\/QE2012v042n03ABEH014759","article-title":"On the possibility of designing a high-resolution heterodyne spectrometer for near-IR range on the basis of a tunable diode laser","volume":"42","author":"Klimchuk","year":"2012","journal-title":"Quantum Electron."},{"key":"ref_29","doi-asserted-by":"crossref","first-page":"3","DOI":"10.1016\/j.jqsrt.2017.06.038","article-title":"The HITRAN2016 molecular spectroscopic database","volume":"203","author":"Gordon","year":"2017","journal-title":"J. Quant. Spectrosc. Radiat. Transf."},{"key":"ref_30","doi-asserted-by":"crossref","first-page":"233","DOI":"10.1016\/0022-4073(77)90161-3","article-title":"Empirical fits to the Voigt line width: A brief review","volume":"17","author":"Olivero","year":"1977","journal-title":"J. Quant. Spectrosc. Radiat. Transf."},{"key":"ref_31","doi-asserted-by":"crossref","first-page":"61","DOI":"10.1016\/0022-4073(67)90057-X","article-title":"Spectrum line profiles: The Voigt function","volume":"7","author":"Armstrong","year":"1967","journal-title":"J. Quant. Spectrosc. Radiat. Transf."},{"key":"ref_32","unstructured":"IPCC (2007). Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Cambridge University Press."},{"key":"ref_33","doi-asserted-by":"crossref","unstructured":"Shen, F., Wang, G., Xue, Z., Tan, T., Cao, Z., Gao, X., and Chen, W. (2022). Impact of lock-in time constant on remote monitoring of trace gas in the atmospheric column using laser heterodyne radiometer (LHR). 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