Ultra-high sensitive photoacoustic gas detector based on differential multi-pass cell
We designed and manufactured a set of high-sensitivity photoacoustic (PA) gas detector
based on differential multi-pass cell (DMPC) with a chamber volume of only 162 mL, which …
based on differential multi-pass cell (DMPC) with a chamber volume of only 162 mL, which …
Tunable laser spectrometers for planetary science
CR Webster, AE Hofmann, PR Mahaffy, SK Atreya… - Space Science …, 2023 - Springer
Distinguishing planetary formation and evolution pathways and understanding the origins of
volatiles on planetary bodies requires determination of relative abundances and isotope …
volatiles on planetary bodies requires determination of relative abundances and isotope …
Recent progress in infrared absorption spectroscopy for gas sensing with discrete optics, hollow-core fibers and on-chip waveguides
C Zheng, M Pi, F Song, Y Li, Z Peng… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
Infrared absorption spectroscopy (IAS) is currently a powerful tool for gas sensing. Gas
sensors based on IAS show advantages of high sensitivity, good selectivity and in-situ …
sensors based on IAS show advantages of high sensitivity, good selectivity and in-situ …
[HTML][HTML] Photoacoustic methane detection inside a MEMS microphone
T Strahl, J Steinebrunner, C Weber, J Wöllenstein… - Photoacoustics, 2023 - Elsevier
An innovative laser based photoacoustic (PA) gas sensing concept with intrinsic
miniaturization potential was developed and investigated for methane trace gas detection …
miniaturization potential was developed and investigated for methane trace gas detection …
Generalized design of simple, stable and compact nested multipass cells with a reentrant symmetric concentric circle pattern
X Ou, P Liu, X Zhou - Optics Express, 2023 - opg.optica.org
We present a particular solution of the Herriott design by replacing each spherical mirror
with two coaxial nested spherical mirrors with different curvatures. The analytical solution of …
with two coaxial nested spherical mirrors with different curvatures. The analytical solution of …
Double-channel sensor for high precision measurement of methane-based on a dual-path Herriott cell
H Ma, S Wang, G Wang, Q Zhang, S Zha, X Cai, L Li… - Analyst, 2024 - pubs.rsc.org
A double-channel methane (CH4) sensor was developed using a dual-pass multipass cell
(DP-MPC) and a novel method that combines average dual-channel concentration signals …
(DP-MPC) and a novel method that combines average dual-channel concentration signals …
光学多通池的研制及应用
方波， 赵卫雄， 杨娜娜， 王春晖， 周昊， 张为俊 - 量子电子学报, 2021 - lk.hfcas.ac.cn
光学多通池具有结构简单, 光路对准容易, 光谱通用性高, 鲁棒性好及成本低等优势,
是增加吸收光程最有效的手段之一, 可以显著提高吸收光谱的探测灵敏度. 简要总结了不同类型 …
是增加吸收光程最有效的手段之一, 可以显著提高吸收光谱的探测灵敏度. 简要总结了不同类型 …