Doppler-Free Two-Photon Spectroscopy of Hydrogen by Theodor W. Hänsch and others
= Doppler-Free Two-Photon Spectroscopy of Hydrogen by Theodor W. Hänsch and others
{c}
{tag=Work by Theodor W. Hänsch}
{title2=1975}
Physical Review Letters 34, 307. Primary experimental paper.
Publisher: https://doi.org/10.1103/PhysRevLett.34.307
The abstract reports a frequency-doubled pulsed dye <laser> near 243 nm and a simultaneous Balmer reference measurement.