Dual-comb spectroscopy of laser-induced plasmas

Jenna Bergevin, Tsung Han Wu, Jeremy Yeak, Brian E. Brumfield, Sivanandan S. Harilal, Mark C. Phillips, Ronald J Jones

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Dual-comb spectroscopy has become a powerful spectroscopic technique in applications that rely on its broad spectral coverage combined with high frequency resolution capabilities. Experiments to date have primarily focused on detection and analysis of multiple gas species under semi-static conditions, with applications ranging from environmental monitoring of greenhouse gases to high-resolution molecular spectroscopy. Here, we utilize dual-comb spectroscopy to demonstrate broadband, high-resolution, and time-resolved measurements in a laser-induced plasma. As a demonstration, we simultaneously detect trace amounts of Rb and K in solid samples with a single laser ablation shot, with transitions separated by over 6 THz (13 nm) and spectral resolution sufficient to resolve isotopic and ground state hyperfine splittings of the Rb D2 line. This new spectroscopic approach offers the broad spectral coverage found in the powerful techniques of laser-induced breakdown spectroscopy (LIBS) while providing the high-resolution and accuracy of cw laser-based spectroscopies.

Original languageEnglish (US)
Article number1273
JournalNature Communications
Volume9
Issue number1
DOIs
StatePublished - Dec 1 2018

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Comb and Wattles
Spectrum Analysis
Lasers
Spectroscopy
Plasmas
high resolution
Molecular spectroscopy
spectroscopy
Laser induced breakdown spectroscopy
lasers
molecular spectroscopy
environmental monitoring
laser-induced breakdown spectroscopy
Spectral resolution
greenhouses
Laser ablation
Time measurement
gases
Greenhouse gases
spectral resolution

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

Bergevin, J., Wu, T. H., Yeak, J., Brumfield, B. E., Harilal, S. S., Phillips, M. C., & Jones, R. J. (2018). Dual-comb spectroscopy of laser-induced plasmas. Nature Communications, 9(1), [1273]. https://doi.org/10.1038/s41467-018-03703-0

Dual-comb spectroscopy of laser-induced plasmas. / Bergevin, Jenna; Wu, Tsung Han; Yeak, Jeremy; Brumfield, Brian E.; Harilal, Sivanandan S.; Phillips, Mark C.; Jones, Ronald J.

In: Nature Communications, Vol. 9, No. 1, 1273, 01.12.2018.

Research output: Contribution to journalArticle

Bergevin, J, Wu, TH, Yeak, J, Brumfield, BE, Harilal, SS, Phillips, MC & Jones, RJ 2018, 'Dual-comb spectroscopy of laser-induced plasmas', Nature Communications, vol. 9, no. 1, 1273. https://doi.org/10.1038/s41467-018-03703-0
Bergevin J, Wu TH, Yeak J, Brumfield BE, Harilal SS, Phillips MC et al. Dual-comb spectroscopy of laser-induced plasmas. Nature Communications. 2018 Dec 1;9(1). 1273. https://doi.org/10.1038/s41467-018-03703-0
Bergevin, Jenna ; Wu, Tsung Han ; Yeak, Jeremy ; Brumfield, Brian E. ; Harilal, Sivanandan S. ; Phillips, Mark C. ; Jones, Ronald J. / Dual-comb spectroscopy of laser-induced plasmas. In: Nature Communications. 2018 ; Vol. 9, No. 1.
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