Automatic Calibration of Laser Spectrometer for Gas Monitoring: Tunable Diode Laser Absorption Spectroscopy Based Approach

Mihail Terin; Aleksandr Filonov

doi:10.30533/GiA-2026-011

VAK Russia 2.2.6 UDC 543.42 CSCSTI 29.31

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AUTOMATIC CALIBRATION OF LASER SPECTROMETER FOR GAS MONITORING: TUNABLE DIODE LASER ABSORPTION SPECTROSCOPY BASED APPROACH Automatic Calibration of Laser Spectrometer for Gas Monitoring: Tunable Diode Laser Absorption Spectroscopy Based Approach

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Published in Izvestia Vuzov. Geodesy and Aerophotosurveying · Volume 70, Issue 1 · Pages 174–183 · Rubric: Optical and optoelectronic devices and systems

DOI: https://doi.org/10.30533/GiA-2026-011

Received: 24.06.2025 Accepted: 20.02.2026 Published: 27.02.2026 Language of publication: RUS

Authors

Mihail Terin

Aleksandr Filonov

Mihail Terin

Moscow State University of Geodesy and Cartography Opticheskie i optiko-elektronnye pribory i kompleksy · Moscow

Aleksandr Filonov

Moscow State University of Geodesy and Cartography Moscow

ABSTRACT

The accuracy of gas concentration measurements using a laser spectrometer critically depends on the quality of its calibration. In mass production of spectrometers, traditional calibration methods that require operator intervention lead to subjective errors, increased setup time, and instability of results. In this paper, a fully automated method for calibrating tunable diode laser absorption spectrometers is proposed, eliminating the influence of the human factor and ensuring standardization of the process for mass production. The method is based on the use of reference gas mixtures with precisely known concentrations, algorithms for adaptive adjustment of laser parameters, and automated processing of spectral data. The proposed method for automatic calibration of tunable diode laser absorption spectrometers allows standardizing the process for mass production and increasing the reliability of measurements for CH4, C2H4, and C2H6 gases. Experimental testing on N₂/CH₄ mixtures showed that the proposed approach provides a calibration error of no more than 2 %, which meets the requirements of industrial monitoring. The method opens up new opportunities for the mass production of diode laser absorption spectrometers. The article also presents the prospects for the development of technology.

KEYWORDS

tunable diode laser absorption spectroscopy analysis, gas monitoring, laser spectroscopy, automatic calibration

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Terin M. A., Filonov A. S. Automatic Calibration of Laser Spectrometer for Gas Monitoring: Tunable Diode Laser Absorption Spectroscopy Based Approach // Izvestia Vuzov. Geodesy and Aerophotosurveying. 2026. no. 1. pp. 174-183. DOI: https://doi.org/10.30533/GiA-2026-011. (Date of access 15.10.2026).

MLA

Mihail Terin, Filonov A. S.. "Automatic Calibration of Laser Spectrometer for Gas Monitoring: Tunable Diode Laser Absorption Spectroscopy Based Approach." Izvestia Vuzov. Geodesy and Aerophotosurveying 70.1 (2026): 174-183. DOI: https://doi.org/10.30533/GiA-2026-011.

APA

Terin M. A., Filonov A. S. (2026). Automatic Calibration of Laser Spectrometer for Gas Monitoring: Tunable Diode Laser Absorption Spectroscopy Based Approach. Izvestia Vuzov. Geodesy and Aerophotosurveying, 70(1), 174-183. https://doi.org/10.30533/GiA-2026-011

Chicago

Mihail Terin, Filonov A. S.. "Automatic Calibration of Laser Spectrometer for Gas Monitoring: Tunable Diode Laser Absorption Spectroscopy Based Approach." Izvestia Vuzov. Geodesy and Aerophotosurveying 70, no. 1 (2026): 174-183. https://doi.org/10.30533/GiA-2026-011.

WIKI

{{cite journal | author = Terin M. A., Filonov A. S. | title = Automatic Calibration of Laser Spectrometer for Gas Monitoring: Tunable Diode Laser Absorption Spectroscopy Based Approach | journal = Izvestia Vuzov. Geodesy and Aerophotosurveying | year = 2026 | volume = 70 | issue = 1 | pages = 174-183 | doi = 10.30533/GiA-2026-011 }}

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AUTOMATIC CALIBRATION OF LASER SPECTROMETER FOR GAS MONITORING: TUNABLE DIODE LASER ABSORPTION SPECTROSCOPY BASED APPROACH Automatic Calibration of Laser Spectrometer for Gas Monitoring: Tunable Diode Laser Absorption Spectroscopy Based Approach

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