The crisis and solution on two-photon-transition based secondary optical clock Event Date: 2017-02-13 admin AMO/QIS/CMT Speaker: Prof. CHENG, Wang-Yau (NCU) / Host: Prof. Chih-Sung Chuu (NTHU) Place: Lecture Room A of NCTS, 4F, 3rd General Building, Nat'l Tsing Hua Univ.