Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 19, issue 3
Articles | Volume 19, issue 3
https://doi.org/10.5194/amt-19-839-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-19-839-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 3
Research article
 | 
05 Feb 2026
Research article |  | 05 Feb 2026

Assessing non-ideal instrumental effects in high-resolution FTIR spectroscopy: instrument performance characterization

Gezahegn Sufa Daba and Gizaw Mengistu Tsidu

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Cited articles

Abrams, M. C., Toon, G. C., and Schindler, R. A.: Practical example of the correction of Fourier-transform spectra for detector nonlinearity, Applied Optics, 33, 6307–6314, https://doi.org/10.1364/ao.33.006307, 1994. a
Alberti, C., Hase, F., Frey, M., Dubravica, D., Blumenstock, T., Dehn, A., Castracane, P., Surawicz, G., Harig, R., Baier, B. C., Bès, C., Bi, J., Boesch, H., Butz, A., Cai, Z., Chen, J., Crowell, S. M., Deutscher, N. M., Ene, D., Franklin, J. E., García, O., Griffith, D., Grouiez, B., Grutter, M., Hamdouni, A., Houweling, S., Humpage, N., Jacobs, N., Jeong, S., Joly, L., Jones, N. B., Jouglet, D., Kivi, R., Kleinschek, R., Lopez, M., Medeiros, D. J., Morino, I., Mostafavipak, N., Müller, A., Ohyama, H., Palmer, P. I., Pathakoti, M., Pollard, D. F., Raffalski, U., Ramonet, M., Ramsay, R., Sha, M. K., Shiomi, K., Simpson, W., Stremme, W., Sun, Y., Tanimoto, H., Té, Y., Tsidu, G. M., Velazco, V. A., Vogel, F., Watanabe, M., Wei, C., Wunch, D., Yamasoe, M., Zhang, L., and Orphal, J.: Improved calibration procedures for the EM27/SUN spectrometers of the COllaborative Carbon Column Observing Network (COCCON), Atmos. Meas. Tech., 15, 2433–2463, https://doi.org/10.5194/amt-15-2433-2022, 2022. a, b
Bacsik, Z., Mink, J., and Keresztury, G.: FTIR Spectroscopy of the Atmosphere. I. Principles and Methods, Appl. Spectrosc. Rev., 39, 295–363, https://doi.org/10.1081/asr-200030192, 2004. a
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This study investigates non-ideal instrumental effects that may degrade the performance of a high-resolution infrared spectrometer. Using standard gas cell measurements, it identifies key sources of modulation loss and spectral artifacts. A simple atmospheric example is included to demonstrate how these instrumental effects can influence scientific measurements. The results improve understanding of instrumental stability and support more accurate long-term use of the spectrometer.

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