[HTML][HTML] Quartz-enhanced photoacoustic spectroscopy for multi-gas detection: A review

A Sampaolo, P Patimisco, M Giglio, A Zifarelli, H Wu… - Analytica chimica …, 2022 - Elsevier
Multi-gas detection represents a suitable solution in many applications, such as
environmental and atmospheric monitoring, chemical reaction and industrial process …

Nanostructured metal oxide semiconductor-based sensors for greenhouse gas detection: Progress and challenges

YK Gautam, K Sharma, S Tyagi… - Royal Society …, 2021 - royalsocietypublishing.org
Climate change and global warming have been two massive concerns for the scientific
community during the last few decades. Anthropogenic emissions of greenhouse gases …

[HTML][HTML] Quartz tuning forks resonance frequency matching for laser spectroscopy sensing

Y Ma, Y Hu, S Qiao, Z Lang, X Liu, Y He, V Spagnolo - Photoacoustics, 2022 - Elsevier
In this paper, we report on the performance of quartz tuning fork (QTF) based laser
spectroscopy sensing employing multiple QTFs. To avoid that resonance frequency …

High and flat spectral responsivity of quartz tuning fork used as infrared photodetector in tunable diode laser spectroscopy

T Wei, A Zifarelli, S Dello Russo, H Wu… - Applied Physics …, 2021 - pubs.aip.org
Infrared laser technology over the last decades has led to an increasing demand for optical
detectors with high sensitivity and a wide operative spectral range suitable for spectroscopic …

[HTML][HTML] High-concentration methane and ethane QEPAS detection employing partial least squares regression to filter out energy relaxation dependence on gas …

G Menduni, A Zifarelli, A Sampaolo, P Patimisco… - Photoacoustics, 2022 - Elsevier
A quartz enhanced photoacoustic spectroscopy (QEPAS) sensor capable to detect high
concentrations of methane (C1) and ethane (C2) is here reported. The hydrocarbons …

Quartz-enhanced photoacoustic-photothermal spectroscopy for trace gas sensing

Y Hu, S Qiao, Y He, Z Lang, Y Ma - Optics Express, 2021 - opg.optica.org
A trace gas detection technique of quartz-enhanced photoacoustic-photothermal
spectroscopy (QEPA-PTS) is demonstrated. Different from quartz-enhanced photoacoustic …

[HTML][HTML] Broadband detection of methane and nitrous oxide using a distributed-feedback quantum cascade laser array and quartz-enhanced photoacoustic sensing

M Giglio, A Zifarelli, A Sampaolo, G Menduni… - Photoacoustics, 2020 - Elsevier
Here we report on the broadband detection of nitrous oxide (N 2 O) and methane (CH 4)
mixtures in dry nitrogen by using a quartz-enhanced photoacoustic (QEPAS) sensor …

[HTML][HTML] Humidity enhanced N2O photoacoustic sensor with a 4.53 μm quantum cascade laser and Kalman filter

Y Cao, R Wang, J Peng, K Liu, W Chen, G Wang… - Photoacoustics, 2021 - Elsevier
Abstract A high-sensitivity N 2 O photoacoustic sensor using a 4.53 μm quantum cascade
laser was developed. Sharply enhancement of photoacoustic signal of N 2 O with the …

Application of standard and custom quartz tuning forks for quartz-enhanced photoacoustic spectroscopy gas sensing

H Lin, Y Liu, L Lin, W Zhu, X Zhou, Y Zhong… - Applied Spectroscopy …, 2023 - Taylor & Francis
A review on the design of quartz tuning forks and their applications in quartz-enhanced
photoacoustic spectroscopy (QEPAS)-based trace gas sensors is reported. Standard …

Quartz-enhanced photoacoustic sensor for ethylene detection implementing optimized custom tuning fork-based spectrophone

M Giglio, A Elefante, P Patimisco, A Sampaolo… - Optics …, 2019 - opg.optica.org
The design and realization of two highly sensitive and easily interchangeable
spectrophones based on custom quartz tuning forks, with a rectangular (S_1) or T-shaped …