Doppler-free Fourier transform spectroscopy
arXiv:1706.02974 · doi:10.1364/OL.43.000162
Abstract
The feasibility of sub-Doppler broadband multi-heterodyne spectroscopy with two laser frequency combs is demonstrated with two-photon excitation spectra of the 5S-5D transitions of rubidium vapor.
5 pages, 2 figures