Dual-comb absorption spectroscopy of molecular CeO in a laser-produced plasma

Ryan T. Rhoades; Reagan R. D. Weeks; Seth E. Erickson; Caroline Lecaplain; Sivanandan S. Harilal; Mark C. Phillips; R. Jason Jones

doi:10.1364/OL.455237

Optics Letters
Vol. 47,
Issue 10,
pp. 2502-2505
(2022)
•https://doi.org/10.1364/OL.455237

Dual-comb absorption spectroscopy of molecular CeO in a laser-produced plasma

Ryan T. Rhoades, Reagan R. D. Weeks, Seth E. Erickson, Caroline Lecaplain, Sivanandan S. Harilal, Mark C. Phillips, and R. Jason Jones

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Ryan T. Rhoades, Reagan R. D. Weeks, Seth E. Erickson, Caroline Lecaplain, Sivanandan S. Harilal, Mark C. Phillips, and R. Jason Jones, "Dual-comb absorption spectroscopy of molecular CeO in a laser-produced plasma," Opt. Lett. 47, 2502-2505 (2022)

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- Spectroscopy
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About this Article
History
- Original Manuscript: February 4, 2022
- Revised Manuscript: April 12, 2022
- Manuscript Accepted: April 12, 2022
- Published: May 5, 2022

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Abstract

Broadband and high-resolution absorption spectra of molecular cerium oxide (CeO) are obtained in a laser-produced plasma using dual-comb spectroscopy. Simultaneous measurements of Ce and CeO are used to probe time-resolved dynamics of the system. A spectral resolution of 1.24 GHz (2.4 pm) over a bandwidth of 378.7–383.7 THz (781.1–791.5 nm) allows simultaneous detection of hundreds of closely spaced rotational transitions in complex CeO bands.

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