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Sub-Doppler Double-...
Sub-Doppler Double-Resonance Spectroscopy of Methane Using a Frequency Comb Probe
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- Foltynowicz, Aleksandra, 1981- (author)
- Umeå universitet,Institutionen för fysik
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- Rutkowski, Lucile (author)
- Université de Rennes, CNRS, IPR (Institut de Physique de Rennes)-UMR 6251, Rennes, France
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- Silander, Isak, 1980- (author)
- Umeå universitet,Institutionen för fysik
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- Johansson, Alexandra C., 1987- (author)
- Umeå universitet,Institutionen för fysik
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- Silva de Oliveira, Vinicius (author)
- Umeå universitet,Institutionen för fysik
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- Axner, Ove (author)
- Umeå universitet,Institutionen för fysik
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- Soboń, Grzegorz (author)
- Laser and Fiber Electronics Group, Faculty of Electronics, Wrocław University of Science and Technology, Wroclaw, Poland
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- Martynkien, Tadeusz (author)
- Faculty of Fundamental Problems of Technology, Wrocław University of Science and Technology, Wroclaw, Poland
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- Mergo, Paweł (author)
- Laboratory of Optical Fiber Technology, Maria Curie-Sklodowska University, Lublin, Poland
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- Lehmann, Kevin K. (author)
- Departments of Chemistry and Physics, University of Virginia, VA, Charlottesville, United States
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(creator_code:org_t)
- 2021
- 2021
- English.
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In: Physical Review Letters. - 0031-9007 .- 1079-7114. ; 126:6
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https://doi.org/10.1...
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https://umu.diva-por... (primary) (Raw object)
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Abstract
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- We report the first measurement of sub-Doppler molecular response using a frequency comb by employing the comb as a probe in optical-optical double-resonance spectroscopy. We use a 3.3 μm continuous wave pump and a 1.67 μm comb probe to detect sub-Doppler transitions to the 2ν3 and 3ν3 bands of methane with ∼1.7 MHz center frequency accuracy. These measurements provide the first verification of the accuracy of theoretical predictions from highly vibrationally excited states, needed to model the high-temperature spectra of exoplanets. Transition frequencies to the 3ν3 band show good agreement with the TheoReTS line list.
Subject headings
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Foltynowicz, Ale ...
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Rutkowski, Lucil ...
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Silander, Isak, ...
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Johansson, Alexa ...
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Silva de Oliveir ...
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Axner, Ove
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Soboń, Grzegorz
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Martynkien, Tade ...
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Mergo, Paweł
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Lehmann, Kevin K ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Atom and Molecul ...
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Physical Review ...
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Umeå University