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Optical frequency c...
Optical frequency comb Fourier transform spectroscopy of formaldehyde in the 1250 to 1390 cm−1 range : experimental line list and improved MARVEL analysis
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- Germann, Matthias (författare)
- Umeå universitet,Institutionen för fysik
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- Hjältén, Adrian (författare)
- Umeå universitet,Institutionen för fysik
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- Tennyson, Jonathan (författare)
- Department of Physics and Astronomy, University College London, Gower Street, London, United Kingdom
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- Yurchenko, Sergei N. (författare)
- Department of Physics and Astronomy, University College London, Gower Street, London, United Kingdom
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- Gordon, Iouli E. (författare)
- Center for Astrophysics, Harvard & Smithsonian, Atomic and Molecular Physics Division, MA, Cambridge, United States
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- Pett, Christian (författare)
- Umeå universitet,Kemiska institutionen
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- Silander, Isak, 1980- (författare)
- Umeå universitet,Institutionen för fysik
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- Krzempek, Karol (författare)
- Laser & Fiber Electronics Group, Faculty of Electronics, Photonics and Microsystems, Wrocław University of Science and Technology, Wrocław, Poland
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- Hudzikowski, Arkadiusz (författare)
- Laser & Fiber Electronics Group, Faculty of Electronics, Photonics and Microsystems, Wrocław University of Science and Technology, Wrocław, Poland
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- Głuszek, Aleksander (författare)
- Laser & Fiber Electronics Group, Faculty of Electronics, Photonics and Microsystems, Wrocław University of Science and Technology, Wrocław, Poland
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- Soboń, Grzegorz (författare)
- Laser & Fiber Electronics Group, Faculty of Electronics, Photonics and Microsystems, Wrocław University of Science and Technology, Wrocław, Poland
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- Foltynowicz, Aleksandra, 1981- (författare)
- Umeå universitet,Institutionen för fysik
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(creator_code:org_t)
- Elsevier, 2024
- 2024
- Engelska.
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Ingår i: Journal of Quantitative Spectroscopy and Radiative Transfer. - : Elsevier. - 0022-4073 .- 1879-1352. ; 312
- Relaterad länk:
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https://doi.org/10.1...
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https://umu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We use optical frequency comb Fourier transform spectroscopy to record high-resolution, low-pressure, room-temperature spectra of formaldehyde (H212C16O) in the range of 1250 to 1390 cm−1. Through line-by-line fitting, we retrieve line positions and intensities of 747 rovibrational transitions: 558 from the ν6 band, 129 from the ν4 band, and 14 from the ν3 band, as well as 46 from four different hot bands. We incorporate the accurate and precise line positions (0.4 MHz median uncertainty) into the MARVEL (measured active vibration-rotation energy levels) analysis of the H2CO spectrum. This increases the number of MARVEL-predicted energy levels by 82 and of rovibrational transitions by 5382, and substantially reduces uncertainties of MARVEL-derived H2CO energy levels over a large range: from pure rotational levels below 200 cm−1 up to multiply excited vibrational levels at 6000 cm−1. This work is an important step toward filling the gaps in formaldehyde data in the HITRAN database.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Nyckelord
- Empirical line list
- Formaldehyde
- Fourier transform spectroscopy
- Frequency comb spectroscopy
- High-resolution spectroscopy
- MARVEL
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Germann, Matthia ...
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Hjältén, Adrian
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Tennyson, Jonath ...
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Yurchenko, Serge ...
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Gordon, Iouli E.
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Pett, Christian
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visa fler...
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Silander, Isak, ...
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Krzempek, Karol
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Hudzikowski, Ark ...
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Głuszek, Aleksan ...
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Soboń, Grzegorz
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Foltynowicz, Ale ...
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visa färre...
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