Enhanced Photoacoustic Spectroscopy Integrated with a Multi-Pass Cell for ppb Level Measurement of Methane by Lihui Wang, Tie Zhang, Yan Huang, Yuhao Zheng, Gaoxuan Wang, Sailing He

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Quartz Enhanced Photoacoustic Detection Based on an Elliptical Laser Beam by Zhijin Shang, Shangzhi Li, Hongpeng Wu, Lei Dong

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Quantum cascade laser spectroscopy: from trace gas detection to nonlinear optics by Pinto, T

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Photoacoustic Spectroscopy with Quantum Cascade Lasers for Trace Gas Detection by Gaetano Scamarcio, Pietro Mario LugarÃ, Cinzia Di Franco, Angela Elia

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Quartz-Tuning-Fork-Enhanced Spectroscopy Based on Fast Fourier Transform Algorithm by Guangxiang Yang, Linguang Xu, Hua Liang, Jingsong Li

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A Compact NO₂ Gas Sensor with an Optimized Photoacoustic Cell and 450 nm-LD by Wenyang Yuan, Jiaqi Yao, Ping Gong, Mingqi Jiao, Congbiao Lei, Yuxuan Jiang, Liang Xie

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Highly sensitive and miniaturized microcone-curved resonant photoacoustic cavity for trace gas detection by Zhongke Zhao, Wenjun Ni, Chunyong Yang, Sixiang Ran, Bingze He, Ruiming Wu, Ping Lu, Perry Ping Shum

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Impact of Residual Water Vapor on the Simultaneous Measurements of Trace CH₄ and N₂O in Air with Cavity Ring-Down Spectroscopy by Qianhe Wei, Bincheng Li, Jing Wang, Binxing Zhao, Ping Yang

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Cantilever-enhanced photoacoustic spectroscopy for gas sensing: A comparison of different displacement detection methods by Yonggang Yin, Danyang Ren, Chiye Li, Ruimin Chen, Junhui Shi

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Methodology and applications of acousto-electric analogy in photoacoustic cell design for trace gas analysis by Xiaoli Liu, Hongpeng Wu, Lei Dong

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Quartz-enhanced photoacoustic spectroscopy for SF6 gas matrix based on a T-shaped quartz tuning fork by Bo Sun, Bo Sun, Yue Li, Zhijian Gao, Mingjiang Zhang, Mingjiang Zhang

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High-sensitivity all-optical PA spectrometer based on fast swept laser interferometry by Xuefeng Mao, Xiaoyan Ji, Yuting Tan, Hao Ye, Xiaofa Wang

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Deep Learning for Gas Sensing via Infrared Spectroscopy by M. Arshad Zahangir Chowdhury, Matthew A. Oehlschlaeger

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Multivariate Regression in Conjunction with GA-BP for Optimization of Data Processing of Trace NO Gas Flow in Active Pumping Electronic Nose by Pengjiao Sun, Yunbo Shi, Yeping Shi

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Asymmetric Etalon Effect in Fold-Type Optical Feedback Cavity-Enhanced Absorption Spectroscopy by Yunzheng Wang, Shiyu Guan, Huilin Cao, Zhongqi Tan

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Off-Axis Integral Cavity Carbon Dioxide Gas Sensor Based on Machine-Learning-Based Optimization by Pengbo Li, Guanyu Lin, Jianbo Chen, Jianing Wang

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Cavity-Enhanced Frequency Comb Vernier Spectroscopy by Chuang Lu, Jerome Morville, Lucile Rutkowski, Francisco Senna Vieira, Aleksandra Foltynowicz

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Application of Near-Infrared Optical Feedback Cavity Enhanced Absorption Spectroscopy (OF-CEAS) to the Detection of Ammonia in Exhaled Human Breath by Zhifu Luo, Zhongqi Tan, Xingwu Long

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Parts-per-billion-level detection of hydrogen sulfide based on doubly resonant photoacoustic spectroscopy with line-locking by Hui Zhang, Zhen Wang, Qiang Wang, Simone Borri, Iacopo Galli, Angelo Sampaolo, Pietro Patimisco, Vincenzo Luigi Spagnolo, Paolo De Natale, Wei Ren

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Integrated near-infrared fiber-optic photoacoustic sensing demodulator for ultra-high sensitivity gas detection by Xinyu Zhao, Chenxi Li, Hongchao Qi, Jiayu Huang, Yufu Xu, Zhengzhi Wang, Xiao Han, Min Guo, Ke Chen

Subjects: “…Trace gas detection…”
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