[HTML][HTML] Laser sensors for energy systems and process industries: Perspectives and directions

A Farooq, ABS Alquaity, M Raza, EF Nasir… - Progress in Energy and …, 2022 - Elsevier
Sensors are perhaps the most important and integral components of our modern society.
With global warming and environmental pollution garnering ever-increasing attention, as …

Sensing performance of room temperature operated MEMS gas sensor for ppb level detection of hydrogen sulfide: A review

G Verma, A Gupta - Journal of Micromechanics and …, 2022 - iopscience.iop.org
The presence of hydrogen sulfide (H 2 S) determines the air quality of both indoor and
outdoor environments. To measure H 2 S concentration levels in the environment, a variety …

[HTML][HTML] Characterization of H2S QEPAS detection in methane-based gas leaks dispersed into environment

M Olivieri, G Menduni, M Giglio, A Sampaolo… - Photoacoustics, 2023 - Elsevier
The increase in fatal accidents and chronic illnesses caused by hydrogen sulfide (H 2 S)
exposure occurring in various workplaces is pushing the development of sensing systems …

[HTML][HTML] Parts-per-billion-level detection of hydrogen sulfide based on doubly resonant photoacoustic spectroscopy with line-locking

H Zhang, Z Wang, Q Wang, S Borri, I Galli, A Sampaolo… - Photoacoustics, 2023 - Elsevier
We report on the development of a highly sensitive hydrogen sulfide (H 2 S) gas sensor
exploiting the doubly resonant photoacoustic spectroscopy technique and using a near …

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

A Sampaolo, C Yu, T Wei, A Zifarelli, M Giglio… - Photoacoustics, 2021 - Elsevier
In this work, we report on a quartz-enhanced photoacoustic spectroscopy (QEPAS) sensor
for hydrogen sulfide (H 2 S) detection, exploiting a liquid-nitrogen-cooled THz quantum …

[PDF][PDF] 可调谐半导体激光吸收光谱技术在石油工业中的应用研究

李金义, 李连辉, 赵烁, 任鹏, 田珊军… - Laser & Optoelectronics …, 2022 - researching.cn
摘要从世界范围看, 化石能源目前仍是能源供应的主体. 作为化石能源开发的主要阵地,
石油工业对多种气体的检测与监测需求强烈, 这对于环境保护和安全生产具有重要意义 …

Demonstration of mid-infrared gas sensing using an anti-resonant hollow core fiber and a quantum cascade laser

M Nikodem, G Gomółka, M Klimczak, D Pysz… - Optics …, 2019 - opg.optica.org
In this paper we report a mid-infrared sensor based on an anti-resonant hollow core fiber. A
quantum cascade laser operating around 4.53 µm is used to target one of the strongest …

[HTML][HTML] Wavelength modulated diode probe laser for an interferometric cavity-assisted photothermal spectroscopy gas sensor

D Pinto, JP Waclawek, S Lindner, H Moser… - Sensors and Actuators B …, 2023 - Elsevier
We report on key developments made in advancing Interferometric Cavity-Assisted
Photothermal Spectroscopy (ICAPS) toward a method for rugged and cost-effective gas …

Balanced-detection interferometric cavity-assisted photothermal spectroscopy

JP Waclawek, C Kristament, H Moser, B Lendl - Optics express, 2019 - opg.optica.org
An optical cavity can be utilized as an excellent transducer for highly sensitive gas detection
with the application of photothermal spectroscopy, featuring the beneficial property of an …

Balanced-detection interferometric cavity-assisted photothermal spectroscopy employing an all-fiber-coupled probe laser configuration

JP Waclawek, H Moser, B Lendl - Optics Express, 2021 - opg.optica.org
The interferometric cavity-assisted photothermal spectroscopy (ICAPS) method has been
proven highly suitable for sensitive and compact gas detection by application of an optical …