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 …

Linking the thermodynamic temperature to an optical frequency: recent advances in Doppler broadening thermometry

L Gianfrani - … Transactions of the Royal Society A …, 2016 - royalsocietypublishing.org
Laser spectroscopy in the linear regime of radiation–matter interaction is a powerful tool for
measuring thermodynamic quantities in a gas at thermodynamic equilibrium. In particular …

On the 12 C 2 H 2 near-infrared spectrum: absolute transition frequencies and an improved spectroscopic network at the kHz accuracy level

A Castrillo, E Fasci, T Furtenbacher… - Physical Chemistry …, 2023 - pubs.rsc.org
Lamb dips of twenty lines in the P, Q, and R branches of the ν1+ ν3+ ν41 vibrational band of
12C2H2, in the spectral window of 7125–7230 cm− 1, have been measured using an …

Determinations of the Boltzmann constant

L Pitre, MD Plimmer, F Sparasci… - Comptes …, 2019 - comptes-rendus.academie-sciences …
In 2018, the International System of Units, or Système international (SI), will undergo its
biggest revolution since the meter–kilogram–second (MKS) system was established with the …

Optical Determination of Thermodynamic Temperatures from a Line-Doublet in the Near Infrared

A Castrillo, E Fasci, H Dinesan, S Gravina, L Moretti… - Physical review applied, 2019 - APS
This paper reports the implementation of Doppler-broadening gas thermometry by use of
line-shape analysis of a line-doublet. The two spectral components are vibration-rotation …

The Boltzmann constant from the H2 18O vibration–rotation spectrum: complementary tests and revised uncertainty budget

E Fasci, MD De Vizia, A Merlone, L Moretti… - Metrologia, 2015 - iopscience.iop.org
We report on complementary tests and measurements regarding our recent determination of
the Boltzmann constant, k B, by means of Doppler broadening thermometry, also providing …

Doppler broadening thermometry based on cavity ring-down spectroscopy

CF Cheng, J Wang, YR Sun, Y Tan, P Kang, SM Hu - Metrologia, 2015 - iopscience.iop.org
A Doppler broadening thermometry (DBT) instrument is built based on cavity ring-down
spectroscopy (CRDS) for the precise determination of the Boltzmann constant. Compared …

Laser-based primary thermometry: a review

R Gotti, M Lamperti, D Gatti… - Journal of Physical and …, 2021 - pubs.aip.org
Laser-based primary thermometry was initiated almost 15 years ago by the proposal to
determine the absolute temperature of a gas at thermodynamic equilibrium through the …

[HTML][HTML] The Boltzmann constant: Evaluation of measurement relative uncertainty using the information approach

B Menin - Journal of Applied Mathematics and Physics, 2019 - scirp.org
The purpose of this work is to prove that only by applying a theoretically sound information
approach to developing a model for measuring the Boltzmann constant, one can justify and …

High-precision HD spectroscopy near 1.53 m

R Gotti, S Wójtewicz, M Marangoni, D Gatti… - Frontiers in …, 2024 - frontiersin.org
In this study, we report highly precise and accurate measurements of the P (5), P (6), and O
(3) transitions of the 2–0 band of HD occurring at approximately 1.5 μ m. HD spectra were …