Compact magneto-optical trap of thulium atoms for a transportable optical clock Golovizin, A. ; Tregubov, D. ; Mishin, D. ; Provorchenko, D. ; Kolachevsky, N. Abstract Publication: Optics Express Pub Date: October 2021 DOI: 10.1364/OE.435105 Bibcode: 2021OExpr..2936734G