Ammonia gas sensors: Comparison of solid-state and optical methods

Z Bielecki, T Stacewicz, J Smulko, J Wojtas - Applied Sciences, 2020 - mdpi.com
High precision and fast measurement of gas concentrations is important for both
understanding and monitoring various phenomena, from industrial and environmental to …

Recent advances in collisional effects on spectra of molecular gases and their practical consequences

JM Hartmann, H Tran, R Armante, C Boulet… - Journal of Quantitative …, 2018 - Elsevier
We review progress, since publication of the book``Collisional effects on molecular spectra:
Laboratory experiments and models, consequences for applications"(Elsevier, Amsterdam …

Absolute frequency metrology of buffer-gas-cooled molecular spectra at 1 kHz accuracy level

R Aiello, V Di Sarno, MG Delli Santi, M De Rosa… - Nature …, 2022 - nature.com
By reducing both the internal and translational temperature of any species down to a few
kelvins, the buffer-gas-cooling (BGC) technique has the potential to dramatically improve the …

High-signal-to-noise-ratio laser technique for accurate measurements of spectral line parameters

A Cygan, D Lisak, S Wójtewicz, J Domysławska… - Physical Review A …, 2012 - APS
An experiment enabling extremely high signal-to-noise ratios in the measurement of spectral
line shapes is described. This approach, which combines high-bandwidth locking of a …

[HTML][HTML] Measurement and calculation of CO (7–0) overtone line intensities

AA Balashov, K Bielska, G Li, AA Kyuberis… - The Journal of …, 2023 - pubs.aip.org
Intensities of 14 lines in the sixth overtone (7–0) band of carbon monoxide (12 C 16 O) are
measured in the visible range between 14 300 and 14 500 cm− 1 using a frequency …

Dual-comb cavity ring-down spectroscopy

D Lisak, D Charczun, A Nishiyama, T Voumard… - Scientific reports, 2022 - nature.com
Cavity ring-down spectroscopy is a ubiquitous optical method used to study light-matter
interactions with high resolution, sensitivity and accuracy. However, it has never been …

Cavity mode-width spectroscopy with widely tunable ultra narrow laser

A Cygan, D Lisak, P Morzyński, M Bober, M Zawada… - Optics express, 2013 - opg.optica.org
We explore a cavity-enhanced spectroscopic technique based on determination of the
absorbtion coefficient from direct measurement of spectral width of the mode of the optical …

[PDF][PDF] 腔衰荡吸收光谱技术的研究进展及典型应用

徐毓阳, 余锦, 貊泽强, 贾慧民, 唐吉龙… - Laser & …, 2021 - researching.cn
摘要腔衰荡吸收光谱技术是一种灵敏度高, 选择性强, 响应速度快的直接吸收光谱检测技术,
随着激发光源, 腔体结构, 调制方式等的不断改进和拓展, 该技术的最小噪声吸收系数可达到10 …

Detection of disease markers in human breath with laser absorption spectroscopy

T Stacewicz, Z Bielecki, J Wojtas, P Magryta… - Opto-Electronics …, 2016 - degruyter.com
Abstract Number of trace compounds (called biomarkers), which occur in human breath,
provide an information about individual feature of the body, as well as on the state of its …

Frequency-stabilized cavity ring-down spectroscopy

DA Long, A Cygan, RD van Zee, M Okumura… - Chemical Physics …, 2012 - Elsevier
We describe frequency-stabilized cavity ring-down spectroscopy (FS-CRDS), an ultraprecise
refinement of conventional CRDS. We review the technique and highlight some recent …