Results 101 to 110 of about 1,607 (170)

Quartz-Enhanced Photoacoustic Spectroscopy Assisted by Partial Least-Squares Regression for Multi-Gas Measurements. [PDF]

Sensors (Basel), 2023
Rasmussen AN, Thomsen BL, Christensen JB, Petersen JC, Lassen M.   +4 more
europepmc   +1 more source

A Miniaturized 3D-Printed Quartz-Enhanced Photoacoustic Spectroscopy Sensor for Methane Detection with a High-Power Diode Laser. [PDF]

Sensors (Basel), 2023
Chen Y, Liang T, Qiao S, Ma Y.
europepmc   +1 more source

Dual-Component Beat-Frequency Quartz-Enhanced Photoacoustic Spectroscopy Gas Detection System

Photonics
This study designed and validated a dual-component beat-frequency quartz-enhanced photoacoustic spectroscopy (BF-QEPAS) gas detection system utilizing time-division multiplexing (TDM).
Hangyu Xu, Yiwen Feng, Zihao Chen, Zhenzhao Zhuang, Jinbao Xia, Yiyang Zhao, Sasa Zhang   +6 more
doaj   +1 more source

Continuous real-time monitoring of carbon dioxide emitted from human skin by quartz-enhanced photoacoustic spectroscopy. [PDF]

Photoacoustics, 2023
Zhang Y, Xie Y, Lu J, Zhao J, Wu Y, Tong J, Shao J.   +6 more
europepmc   +1 more source

Quartz-enhanced photoacoustic spectroscopy (QEPAS) and Beat Frequency-QEPAS techniques for air pollutants detection: A comparison in terms of sensitivity and acquisition time. [PDF]

Photoacoustics, 2023
Li B, Menduni G, Giglio M, Patimisco P, Sampaolo A, Zifarelli A, Wu H, Wei T, Spagnolo V, Dong L.   +9 more
europepmc   +1 more source

Compact and portable quartz-enhanced photoacoustic spectroscopy sensor for carbon monoxide environmental monitoring in urban areas. [PDF]

Photoacoustics, 2022
Sgobba F, Sampaolo A, Patimisco P, Giglio M, Menduni G, Ranieri AC, Hoelzl C, Rossmadl H, Brehm C, Mackowiak V, Assante D, Ranieri E, Spagnolo V.   +12 more
europepmc   +1 more source

Breath analysis by quartz enhanced photoacoustic spectroscopy: A clinical study

International audienceA new silicon based capacitive sensor is developed for photoacoustic gas detection. It is precisely designed to overcome damping losses and enhance signal-to-noise ratio.
Seoudi, T, PAGES, F, BENABBAD, O, Charensol, J, Bahriz, M, Gouzi, Fares, Ayache, D, Vicet, Aurore, Molinari, Nicolas   +8 more
core  

Ultra-highly sensitive dual gases detection based on photoacoustic spectroscopy by exploiting a long-wave, high-power, wide-tunable, single-longitudinal-mode solid-state laser

Light: Science & Applications
Photoacoustic spectroscopy (PAS) as a highly sensitive and selective trace gas detection technique has extremely broad application in many fields. However, the laser sources currently used in PAS limit the sensing performance. Compared to diode laser and
Shunda Qiao, Ying He, Haiyue Sun, Pietro Patimisco, Angelo Sampaolo, Vincenzo Spagnolo, Yufei Ma   +6 more
doaj   +1 more source

H₂S quartz-enhanced photoacoustic spectroscopy sensor employing a liquid-nitrogen-cooled THz quantum cascade laser operating in pulsed mode. [PDF]

Photoacoustics, 2021
Sampaolo A, Yu C, Wei T, Zifarelli A, Giglio M, Patimisco P, Zhu H, Zhu H, He L, Wu H, Dong L, Xu G, Spagnolo V.   +12 more
europepmc   +1 more source

Fiber-Coupled Quartz-Enhanced Photoacoustic Spectroscopy System for Methane and Ethane Monitoring in the Near-Infrared Spectral Range. [PDF]

Molecules, 2020
Menduni G, Sgobba F, Russo SD, Ranieri AC, Sampaolo A, Patimisco P, Giglio M, Passaro VMN, Csutak S, Assante D, Ranieri E, Geoffrion E, Spagnolo V.   +12 more
europepmc   +1 more source