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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.
Abstract We introduce a new, to the best of our knowledge, modality of dual-comb spectroscopy (DCS) that enables a simplified and powerful new approach for time-resolved measurements with increased acquisition rates. This “burst mode” form of DCS relies on the multiplexing of each probe pulse into a short train of pulses.
Yu Zhang, Caroline Lecaplain, Reagan R. D. Weeks, Jeremy Yeak, Sivanandan S. Harilal, Mark C. Phillips, and R. Jason Jones Author Affiliations Yu Zhang,1,2 Caroline Lecaplain,2 Reagan R. D. Weeks,2 Jeremy Yeak,3 Sivanandan S. Harilal,4 Mark C. Phillips,2,3,4 and R. Jason Jones2,* 1Department of Physics, University of Arizona, 1118 E. Fourth Street, Tucson, Arizona 85721, USA 2College of Optical Sciences, University of Arizona, 1630 E.
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