Doppler-Free Two-Photon Cavity Ring-Down Spectroscopy of a Molecular Vibrational Overtone Transition

Gang Zhao; D. Michelle Bailey; Adam J. Fleisher; Joseph T. Hodges; Kevin K. Lehmann

doi:10.1364/CLEO_SI.2021.SM4N.2

Conference on Lasers and Electro-Optics
OSA Technical Digest (Optica Publishing Group, 2021),
paper SM4N.2
•https://doi.org/10.1364/CLEO_SI.2021.SM4N.2

Doppler-Free Two-Photon Cavity Ring-Down Spectroscopy of a Molecular Vibrational Overtone Transition

Gang Zhao, D. Michelle Bailey, Adam J. Fleisher, Joseph T. Hodges, and Kevin K. Lehmann

CLEO: Science and Innovations 2021

San Jose, California United States
9–14 May 2021
ISBN: 978-1-943580-91-0

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Precision Molecular Spectroscopy (SM4N)

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G. Zhao, D. M. Bailey, A. J. Fleisher, J. T. Hodges, and K. K. Lehmann, "Doppler-Free Two-Photon Cavity Ring-Down Spectroscopy of a Molecular Vibrational Overtone Transition," in Conference on Lasers and Electro-Optics, J. Kang, S. Tomasulo, I. Ilev, D. Müller, N. Litchinitser, S. Polyakov, V. Podolskiy, J. Nunn, C. Dorrer, T. Fortier, Q. Gan, and C. Saraceno, eds., OSA Technical Digest (Optica Publishing Group, 2021), paper SM4N.2.

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Abstract

We demonstrate Doppler-free two-photon cavity ring-down spectroscopy using a narrow linewidth quantum cascade laser locked to a high-finesse cavity. Two-photon absorption of ¹⁴N₂¹⁶O at ^~₀ = 2207.507 cm⁻¹ is reported.

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