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 …

Nanosecond time-resolved dual-comb absorption spectroscopy

DA Long, MJ Cich, C Mathurin, AT Heiniger… - Nature …, 2024 - nature.com
Frequency combs have revolutionized the field of optical spectroscopy, enabling
researchers to probe molecular systems with a multitude of accurate and precise optical …

High-resolution spectroscopic measurements of cold samples in supersonic beams using a QCL dual-comb spectrometer

JA Agner, S Albert, P Allmendinger… - Molecular …, 2022 - Taylor & Francis
Optical frequency-comb spectroscopy has proven a very useful tool for high-resolution
molecular spectroscopy. Frequency combs based on quantum-cascade lasers (QCL) offer …

Ultrafast-laser-absorption spectroscopy in the mid-infrared for single-shot, calibration-free temperature and species measurements in low-and high-pressure …

RJ Tancin, CS Goldenstein - Optics Express, 2021 - opg.optica.org
This manuscript presents an ultrafast-laser-absorption-spectroscopy (ULAS) diagnostic
capable of providing calibration-free, single-shot measurements of temperature and CO at 5 …

[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 …

[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 …

Thermometry and speciation for high-temperature and-pressure methane pyrolysis using shock tubes and dual-comb spectroscopy

NH Pinkowski, P Biswas, J Shao… - Measurement …, 2021 - iopscience.iop.org
Quantum-cascade-laser dual-comb spectroscopy (QCL-DCS) is a promising technology with
ultra-fast time resolution capabilities for chemical kinetics, atmospheric gas sensing, and …

Complete reactants-to-products observation of a gas-phase chemical reaction with broad, fast mid-infrared frequency combs

N Hoghooghi, P Chang, SEM Burch, R Shaik… - arXiv preprint arXiv …, 2023 - arxiv.org
Molecular diagnostics are a primary tool of modern chemistry, enabling researchers to map
chemical reaction pathways and rates to better design and control chemical systems. Many …

Coherently-averaged dual comb spectrometer at 7.7 µm with master and follower quantum cascade lasers

K Komagata, A Shehzad, G Terrasanta, P Brochard… - Optics …, 2021 - opg.optica.org
We demonstrate coherent averaging of the multi-heterodyne beat signal between two
quantum cascade laser frequency combs in a master-follower configuration. The two combs …

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 …