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Measurement and assignment of 10 rotational energy levels in the 9510 to 9810 cm and 6590 to 6900 cm ranges of methane using optical frequency comb double-resonance spectroscopy
Yuan Cao, Adrian Hjältén, Vinicius Silva de Oliveira +4
The paper reports measurements and assignments of methane rotational transitions with J ≥ 10 using optical‑optical double‑resonance spectroscopy combined with a cavity‑enhanced fre…
Measurement and assignment of E-symmetry states in the 6010-6110 cm and 8940-9150 cm ranges of methane using optical frequency comb double-resonance spectroscopy
Adrian Hjältén, Vinicius Silva de Oliveira, Michael Rey +3
We use sub-Doppler optical-optical double-resonance (OODR) spectroscopy with a 3.3 m single-frequency pump and a cavity-enhanced 1.65 m comb probe to measure 33 ladder-type…
Assignment of collision-induced four-level double-resonance transitions in the 3 spectral region of methane
Kevin K. Lehmann, Isak Silander, Adrian Hjältén +2
Optical-optical double-resonance (OODR) spectroscopy using a narrow-linewidth pump and a frequency comb probe has previously been used to measure and assign sub-Doppler transitions…
Measurement and assignment of J = 5 to 9 rotational energy levels in the 9070-9370 cm range of methane using optical frequency comb double-resonance spectroscopy
Adrian Hjältén, Vinicius Silva de Oliveira, Isak Silander +6
We use optical-optical double-resonance (OODR) spectroscopy with a continuous wave (CW) pump and a cavity-enhanced frequency comb probe to measure high rotational energy levels of…