On the unique possibility to increase significantly the contrast of dark resonances on D1 line of ${}^{87}$Rb

A. V. Taichenachev, V. I. Yudin, V. L. Velichansky +1

We propose and study, theoretically and experimentally, a new scheme of excitation of a coherent population trapping resonance for D1 line of alakli atoms with nuclear spin $I=3/2$…