A precise photometric ratio via laser excitation of the sodium layer - II. Two-photon excitation using lasers detuned from 589.16 and 819.71 nm resonancesDOI: info:10.1093/mnras/stab1619v. 5084412–4428
Albert, Justin E., Budker, Dmitry, Chance, Kelly, Gordon, Iouli E., Bustos, Felipe Pedreros, Pospelov, Maxim, Rochester, Simon M., and Sadeghpour, H. R. 2021. "A precise photometric ratio via laser excitation of the sodium layer - II. Two-photon excitation using lasers detuned from 589.16 and 819.71 nm resonances." Monthly Notices of the Royal Astronomical Society, 508 4412–4428. https://doi.org/10.1093/mnras/stab1619.