A mid-infrared dual-comb spectrometer in step-sweep mode for high-resolution molecular spectroscopy

M Lepère, O Browet, J Clément, B Vispoel… - Journal of Quantitative …, 2022 - Elsevier
To meet the challenges of high-resolution molecular spectroscopy, increasingly
sophisticated spectroscopic techniques were developed. For a long time FTIR and laser …

VIBFREQ1295: A new database for vibrational frequency calculations

JC Zapata Trujillo, LK McKemmish - The Journal of Physical …, 2022 - ACS Publications
High-throughput approaches for producing approximate vibrational spectral data for
molecules of astrochemistry interest rely on harmonic frequency calculations using …

[HTML][HTML] Empirical rovibrational energy levels for nitrous oxide

J Tennyson, T Furtenbacher, SN Yurchenko… - Journal of Quantitative …, 2024 - Elsevier
A survey of the huge number of measured rovibrational transitions of the 14 N 2 16 O
isotopologue of nitrous oxide is performed which either confirms the positions, the …

Absolute frequency referencing for swept dual-comb spectroscopy with midinfrared quantum cascade lasers

KN Komagata, VJ Wittwer, T Südmeyer… - Physical Review …, 2023 - APS
Quantum cascade laser (QCL) frequency combs have revolutionized midinfrared (MIR)
spectroscopy by their high brightness and fast temporal resolution, and are a promising …

[HTML][HTML] Optical frequency comb Fourier transform spectroscopy of 14N216O at 7.8 µm

A Hjältén, M Germann, K Krzempek… - Journal of Quantitative …, 2021 - Elsevier
We use a Fourier transform spectrometer based on a compact mid-infrared difference
frequency generation comb source to perform broadband high-resolution measurements of …

[HTML][HTML] A methane line list with sub-MHz accuracy in the 1250 to 1380 cm− 1 range from optical frequency comb Fourier transform spectroscopy

M Germann, A Hjältén, V Boudon, C Richard… - Journal of Quantitative …, 2022 - Elsevier
We use a Fourier transform spectrometer based on a difference frequency generation optical
frequency comb to measure high-resolution, low-pressure, room-temperature spectra of …

High-precision molecular spectroscopy in the mid-infrared using quantum cascade lasers

S Borri, G Insero, G Santambrogio, D Mazzotti… - Applied Physics B, 2019 - Springer
Quantum cascade lasers (QCLs) are becoming a key tool in several advanced experiments
in the field of precision molecular spectroscopy and absolute frequency metrology. In view of …

[HTML][HTML] Mid-infrared dual-comb spectroscopy with quantum cascade lasers

J Hayden, M Geiser, M Gianella, R Horvath, A Hugi… - APL Photonics, 2024 - pubs.aip.org
Since its invention in 1994, the quantum cascade laser (QCL) has emerged as a versatile
light source of wavelength 4–12 µm, covering most of the mid-and long-wavelength infrared …

Data availability and requirements relevant for the Ariel space mission and other exoplanet atmosphere applications

KL Chubb, S Robert, C Sousa-Silva… - RAS Techniques …, 2024 - academic.oup.com
The goal of this white paper is to provide a snapshot of the data availability and data needs
primarily for the Ariel space mission, but also for related atmospheric studies of exoplanets …

Absolute frequency referencing in the long wave infrared using a quantum cascade laser frequency comb

KN Komagata, M Gianella, P Jouy, F Kapsalidis… - Optics …, 2022 - opg.optica.org
Optical frequency combs (OFCs) based on quantum cascade lasers (QCLs) have
transformed mid-infrared spectroscopy. However, QCL-OFCs have not yet been exploited to …