Sub-Doppler cooling of bosonic strontium in a two-color MOT

Milán János Negyedi, Shubha Deutschle, Florian Jessen +2

We report a two-color magneto-optical trap that continuously operates on the $(5{\mathrm{s}}^2){}^1{\mathrm{S}}_0-(5s5p){}^1{\mathrm{P}}_1$ and $(5s5p){}^3{\mathrm{P}}_2-(5s5d){}^3{\mathrm{D}}_3$ transitions in $\math…