[1] Fengzhong Dong, Ruifeng Kan, Wenqing Liu, et al. Tunable diode laser absorption spectroscopic technology and its application in air quality monitoring. Chinese Journal of Quantum Electronics, 22, 315-325(2005).

[2] W Q Liu, Z Y Chen, J G Liu, et al. Advances with respect to the environmental spectroscopy monitoring technology. Acta Optica Sinica, 40, 0500001(2020).

[3] Li Zhong, Di Song, Yue Jiao, et al. TDLAS detection of propylene with complex spectral features. Chinese Optics, 13, 1044-1054(2020).

[4] P S Sun, Z R Zhang, Z Li, et al. A study of two dimensional tomography reconstruction of temperature and gas concentration in a combustion field using TDLAS. Applied Sciences, 7, 990(2017).

[5] Xiaohu Zhao, Pengshuai Sun, Juan Yang, et al. Online monitoring system of index cases concentration applied to coal sponta-neous combustion. Journal of China Coal Society, 46, 319-327(2021).

[6] Zhirong Zhang, Pengshuai Sun, Tao Pang, et al. Application of laser absorption spectroscopy for identification gases in industrial production processes and early safety warning. Optics and Precision Engineering, 26, 1925-1937(2018).

[7] Z Li, Z R Zhang, P S Sun, et al. Multi-point full range monitoring of methane based on TDLAS technology. Infrared and Laser Engineering, 46, 0917009(2017).

[8] C T Zheng, J Q Huang, W L Ye, et al. Demonstration of a portable near-infrared CH₄ detection sensor based on tunable diode laser absorption spectroscopy. Infrared Physics & Technology, 61, 306-312(2013).

[9] Jianqiang Huang, Bing Zhai, Weilin Ye, et al. Near-infrared CH₄ detection device using wavelength-modulation technique. Journal of Optoelectronics · Laser, 25, 947-953(2014).

[10] [10] Fan S T. Full range methane detection system based on TDLAS technology[D]. Beijing: University of Chinese Academy of Sciences, 2013. (in Chinese)

[11] L W Zhang, T Pang, Z R Zhang, et al. A novel compact intrinsic safety full range Methane microprobe sensor using "trans-world" processing method based on near-infrared spectroscopy. Sensors and Actuators B: Chemical, 334, 129680(2021).

[12] Hao Chen, Yu Ju, Li Han, et al. Algorithms for calculating the concentration of gas mixture containting different background gases in TDLAS technology. Spectroscopy and Spectral Analysis, 40, 3015-3020(2020).

[13] Liucheng Li, Liping Duo, Dongjian Zhou, et al. Measurements of gas temperature in HBr chemical lasers by TDLAS technique. Infrared and Laser Engineering, 48, 0805011(2019).

[14] D E Cooper, R E Warren. Frequency modulation spectroscopy with lead-salt diode lasers: A comparison of single-tone and two-tone techniques. Applied Optics, 26, 3726-3732(1987).

[15] G S Wang, J X Mei, X Tian, et al. Laser frequency locking and intensity normalization in wavelength modulation spectroscopy for sensitive gas sensing. Optics Express, 27, 4878-4885(2019).

[16] Lewen Zhang, Pengshuai Sun, Xu Liu, et al. Simultaneous measurement of atmospheric multi-component (CO, N₂O, and H₂O) based on single quantum cascaded laser. Acta Optica Sinica, 42, 0430002(2022).

[17] K Liu, W Lei, T Tu, et al. Highly sensitive detection of methane by near-infrared laser absorption spectroscopy using a compact dense-pattern multipass cell. Sensors and Actuators B: Chemical, 220, 1000-1005(2015).