[HTML][HTML] The HITRAN2020 molecular spectroscopic database

IE Gordon, LS Rothman, RJ Hargreaves… - Journal of quantitative …, 2022 - Elsevier
The HITRAN database is a compilation of molecular spectroscopic parameters. It was
established in the early 1970s and is used by various computer codes to predict and …

Cavity ring-down spectroscopy: recent technological advancements, techniques, and applications

A Maity, S Maithani, M Pradhan - Analytical chemistry, 2020 - ACS Publications
Cavity ring-down spectroscopy (CRDS), first pioneered in 1988 by O'Keefe and Deacon, 1
has evolved into a newgeneration, precision spectroscopy in recent years and subsequently …

Comb coherence-transfer and cavity ring-down saturation spectroscopy around 1.65 μm: kHz-accurate frequencies of transitions in the 2ν 3 band of 12 CH 4

O Votava, S Kassi, A Campargue… - Physical Chemistry …, 2022 - pubs.rsc.org
Comb Coherence Transfer (CCT) uses a feed-forward frequency correction to transfer the
optical phase of a frequency comb to the beam of a free-running diode laser. This allows the …

12 CO 2 transition frequencies with kHz-accuracy by saturation spectroscopy in the 1.99–2.09 μm region

H Fleurbaey, P Čermák, A Campargue… - Physical Chemistry …, 2023 - pubs.rsc.org
Saturation spectroscopy has been used to determine the absolute frequencies of 107 ro-
vibrational transitions of the two strongest 12CO2 bands of the 2 μm region. The considered …

SI-traceable molecular transition frequency measurements at the 10−12 relative uncertainty level

ZD Reed, DA Long, H Fleurbaey, JT Hodges - Optica, 2020 - opg.optica.org
Accurate and spectroscopic measurements of molecular transition frequencies are
increasingly being employed in a variety of rigorous tests of physics, including the validity of …

[HTML][HTML] Empirical rovibrational energy levels for methane

K Kefala, V Boudon, SN Yurchenko… - Journal of Quantitative …, 2024 - Elsevier
Abstract A Marvel (Measured Active Rotational Vibrational Energy Levels) analysis of the
available spectroscopic data on methane (12 C 1 H 4) is performed. A total of 82173 …

Molecular transition frequencies of CO2 near 1.6 µm with kHz-level uncertainties

ZD Reed, BJ Drouin, DA Long, JT Hodges - Journal of Quantitative …, 2021 - Elsevier
We present measurements of molecular transition frequencies based on the comb-locked
cavity ring-down spectroscopy technique, reporting vacuum transition frequencies of …

Advances in cavity-enhanced methods for high precision molecular spectroscopy and test of fundamental physics

L Gianfrani, SM Hu, W Ubachs - La Rivista del Nuovo Cimento, 2024 - Springer
Cavity-enhanced spectroscopic techniques are highly sensitive laser-based methods for
interrogating the atomic and molecular constituents of any gaseous medium that is confined …

Temperature dependence of the absorption of the R (6) manifold of the 2ν3 band of methane in air in support of the MERLIN mission

S Vasilchenko, T Delahaye, S Kassi… - Journal of Quantitative …, 2023 - Elsevier
Fifty nine high sensitivity spectra of the R (6) manifold of the 2ν 3 band of methane in air,
near 1.64 µm, have been recorded in support of the MERLIN mission. For this purpose, a …

Spectroscopy of small gas components of a nonequilibrium low-temperature plasma

VN Ochkin - Phys.-Usp., 2022 - ufn.ru
The state of the art and prospects for the development of quantitative optical spectroscopy
methods for analyzing the composition of small chemically active components of a …