High-resolution mid-IR spectra of methanol and dimethyl sulfide obtained with interleaved subharmonic OPO combs

2023 Conference on Lasers and Electro-Optics (CLEO)(2023)

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Abstract
We use a pair of highly-coherent subharmonic optical parametric oscillators (instantaneous span 3.2-5.4 μm) to obtain the first to our knowledge high-resolution (0.002cm -1 ) mid-infrared spectra of methanol (CH 3 OH) and dimethyl sulfide (CH 3 ) 2 S via interleaving comb-tooth-resolved spectra.
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Key words
(300.6340) Spectroscopy, infrared,(190.4410) Nonlinear optics, parametric processes
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