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Cavity-enhanced opt...
Cavity-enhanced optical frequency comb spectroscopy of high-temperature H2O in a flame
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- Abd Alrahman, Chadi (author)
- Umeå universitet,Institutionen för fysik
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- Khodabakhsh, Amir (author)
- Umeå universitet,Institutionen för fysik
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- Schmidt, Florian M. (author)
- Umeå universitet,Institutionen för tillämpad fysik och elektronik
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- Qu, Zhechao (author)
- Umeå universitet,Institutionen för tillämpad fysik och elektronik
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- Foltynowicz, Aleksandra (author)
- Umeå universitet,Institutionen för fysik
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(creator_code:org_t)
- 2014
- 2014
- English.
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In: Optics Express. - 1094-4087. ; 22:11, s. 13889-13895
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- We demonstrate near-infrared cavity-enhanced optical frequency comb spectroscopy of water in a premixed methane/air flat flame. The detection system is based on an Er:fiber femtosecond laser, a high finesse optical cavity containing the flame, and a fast-scanning Fourier transform spectrometer (FTS). High absorption sensitivity is obtained by the combination of a high-bandwidth two-point comb-cavity lock and auto-balanced detection in the FTS. The system allows recording high-temperature water absorption spectra with a resolution of 1 GHz and a bandwidth of 50 nm in an acquisition time of 0.4 s, with absorption sensitivity of 4.2 x 10 (9) cm(-1) Hz(-1/2) per spectral element.
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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