activity
20182026
most citedOptical frequency comb photoacoustic spectroscopy

61 citations · 123 across the 10 of their papers we have counts for

collaborators

10 papers

physics.chem-ph2026

Optical frequency comb Fourier transform spectroscopy of the CHBrBr, CHBr, and CHBr isotopologues in the 1180-1210 cm region

Ibrahim Sadiek, Aleksandr A. Balashov, Adrian Hjältén +3

Quantitative spectroscopic detection of dibromomethane, CHBr, for environmental monitoring, workplace safety, and exoplanetary studies is limited by the lack of accurate ab…

physics.chem-ph2025★ 1 cited

Formation of HNC and HCN isomers in molecular plasmas revealed by frequency comb and quantum cascade laser spectroscopy

Ibrahim Sadiek, Simona Di Bernardo, Uwe Macherius +1

Hydrogen cyanide (HCN) is a well-known product in combustion, astrophysical, and plasma environments, but its isomer, hydrogen isocyanide (HNC), remains unexplored in molecular pla…

physics.chem-ph2024★ 7 cited

Precision frequency comb spectroscopy of the NO, NNO, NNO, and NO isotopocules in the 3300-3550 cm range

Adrian Hjältén, Ibrahim Sadiek, Aleksandra Foltynowicz

Nitrous oxide is a long-lived greenhouse gas. Its isotopic composition provides valuable insights into sources and sinks, and about the mechanism of formation. A major challenge in…

physics.optics2024★ 3 cited

An air-spaced virtually imaged phased array with 94 MHz resolution for precision spectroscopy

Ibrahim Sadiek, Norbert Lang, Jean-Pierre H. van Helden

We report on an air-spaced virtually imaged phased array (VIPA) spectrometer that resolves the modes of a mid-infrared frequency comb with a repetition rate of 250 MHz, without an…

astro-ph.IM2024★ 27 cited

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

Katy L. Chubb, Séverine Robert, Clara Sousa-Silva +52

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 exo…

physics.chem-ph2024★ 4 cited

Precision spectroscopy of non-thermal molecular plasmas using mid-infrared optical frequency comb Fourier transform spectroscopy

Ibrahim Sadiek, Alexander Puth, Grzegorz Kowzan +6

Non-thermal molecular plasmas play a crucial role in numerous industrial processes and hold significant potential for driving essential chemical transformations. Accurate informati…

physics.chem-ph2023★ 13 cited

Dual-comb Spectroscopy of Ammonia Formation in Non-thermal Plasmas

Ibrahim Sadiek, Adam J. Fleisher, Jakob Hayden +5

Plasma-activated chemical transformations promise the efficient synthesis of salient chemical products. However, the reaction pathways that lead to desirable products are often unk…

physics.chem-ph2023★ 7 cited

Line positions and intensities of the band of CHI using mid-infrared optical frequency comb Fourier transform spectroscopy

Adrian Hjältén, Aleksandra Foltynowicz, Ibrahim Sadiek

We present a new spectral analysis of the and +- bands of CHI around 2971 cm based on a high-resolution spectrum spanning from 2800 cm…

physics.chem-ph2020

Line Positions and Intensities of the ν Band of Methyl Iodide Using Mid-Infrared Optical Frequency Comb Fourier Transform Spectroscopy

Ibrahim Sadiek, Adrian Hjältén, Francisco Senna Vieira +3

We use optical frequency comb Fourier transform spectroscopy to measure high-resolution spectra of iodomethane, CHI in the C-H stretch region from 2800 to 3160 cm. The f…

physics.optics2018★ 61 cited

Optical frequency comb photoacoustic spectroscopy

Ibrahim Sadiek, Tommi Mikkonen, Markku Vainio +2

We report the first photoacoustic detection scheme using an optical frequency comb - the optical frequency comb photoacoustic spectroscopy (OFC-PAS). OFC-PAS combines the broad spe…