Sodium guide star laser pulsed at Larmor frequency: erratum Yang, Xuezong ; Zhang, Lei ; Cui, Shuzhen ; Fan, Tingwei ; Dong, Jinyan ; Feng, Yan Abstract Publication: Optics Letters Pub Date: December 2017 DOI: 10.1364/OL.42.005149 Bibcode: 2017OptL...42.5149Y