[1] A MIKLÓS, P HESS, Z BOZÓKI. Application of acoustic resonators in photoacoustic trace gas analysis and metrology. Review of Scientific Instruments, 72, 1937-1955(2001).

[2] Huadan ZHENG, Lei DONG, A SAMPAOLO et al. Single-tube on-beam quartz-enhanced photoacoustic spectroscopy. Optics Letters, 41, 978-981(2016).

[3] Xukun YIN, Hongpeng WU, Lei DONG et al. Ppb-level SO2 photoacoustic sensors with a suppressed absorption-desorption effect by using a 7.41 μm external-cavity quantum cascade laser. ACS Sensors, 5, 549-556(2020).

[4] Ying HE, Yufei MA, Yao TONG et al. HCN ppt-level detection based on a QEPAS sensor with amplified laser and a miniaturized 3D-printed photoacoustic detection channel. Optics Express, 26, 9666-9675(2018).

[5] Kun LIU, Xiaoyong GUO, Hongming YI et al. Off-beam quartz-enhanced photoacoustic spectroscopy. Optics Letters, 34, 1594-1596(2009).

[6] Kaiyuan ZHENG, Chuantao ZHENG, Ningning MA et al. Near-infrared broadband cavity-enhanced spectroscopic multigas sensor using a 1650 nm light emitting diode. ACS Sensors, 4, 1899-1908(2019).

[7] Hongming YI, R MAAMARY, Xiaoming GAO et al. Short-lived species detection of nitrous acid by external-cavity quantum cascade laser based quartz-enhanced photoacoustic absorption spectroscopy. Applied Physics Letters, 106, 101109(2015).

[8] P PATIMISCO, G SCAMARCIO, F TITTEL et al. Quartz-enhanced photoacoustic spectroscopy: a review. Sensors, 14, 6165-6206(2014).

[9] Ying MA, Liang YU, Huadan ZHENG et al. Optimization of overtone resonance based quartz-enhanced photoacoustic spectroscopy spectrophone. Acta Photonica Sinica, 46, 0811002(2017).

[10] Hongpeng WU, Lei DONG, Huadan ZHENG et al. Calibration-free fast quartz-enhanced photoacoustic spectroscopy based on beat frequency effect for continuous trace gas monitoring. Nature Communication, 8, 15331(2017).

[11] Gang CHENG, Yanan CAO, Xing TIAN et al. Calculation and evaluation of acoustic and flow field characteristics of trapezoid compound photoacoustic cell. Acta Photonica Sinica, 50, 0230001(2021).

[12] Zhili LI, Zhen WANG, Yun QI et al. Improved evanescent-wave quartz-enhanced photoacoustic CO sensor using an optical fiber taper. Sensors and Actuators B, 248, 1023-1028(2017).

[13] V SPAGNOLO, Lei DONG, A KOSTEREV et al. Modulation cancellation method in laser spectroscopy. Applied Physics B, 103, 735-742(2011).

[14] V SPAGNOLO, Lei DONG, A KOSTEREV et al. Modulation cancellation method for measurements of small temperature differences in a gas. Optics Letters, 36, 460-462(2011).

[15] Huadan ZHENG, Lei DONG, Xukun YIN et al. Ppb-level QEPAS NO2 sensor by use of electrical modulation cancellation method with a high power blue LED. Sensors and Actuators B, 208, 173-179(2015).

[16] Xukun YIN, Huadan ZHENG, Lei DONG et al. Design and optimization of off-beam NO2 QEPAS sensor by use of E-MOCAM with a high power blue laser diode. Acta Physica Sinica, 64, 130701(2015).

[17] Lixian LIU, A MANDELIS, Huiting HUAN et al. Step-scan differential Fourier transform infrared photoacoustic spectroscopy (DFTIR-PAS): a spectral deconvolution method for weak absorber detection in the presence of strongly overlapping background absorptions. Optics Letters, 42, 1424-1427(2017).

[18] Xukun YIN, Lei DONG, Huadan ZHENG et al. Impact of humidity on quartz-enhanced photoacoustic spectroscopy based co detection using a near-ir telecommunication diode laser. Sensors, 16, 162(2016).

[19] Xukun YIN, Lei DONG, Hongpeng WU et al. Design and optimization of photoacoustic CO gas sensor for fault diagnosis of SF6 gas insulated equipment. Acta Physica Sinica, 70, 170701(2021).

[20] Huadan ZHENG, Minhan LOU, Lei DONG et al. Compact photoacoustic module for methane detection incorporating interband cascade light emitting device. Optics Express, 25, 16761-16770(2017).

[21] M W SIGRIST. Trace gas monitoring by laser photoacoustic spectroscopy and related techniques (plenary). Review of Scientific Instruments, 74, 486-490(2003).

[22] Yufei MA, R LEWICKI, M RAZEGHI et al. QEPAS based ppb-level detection of CO and N2O using a high power CW DFB-QCL. Optics Express, 21, 1008-1019(2013).