Correlation between the magic wavelengths and the polarization direction of the linearly polarized laser in the Ca
+
optical clock
*
Liu Pei-Liang
a),
b),
c)
, Huang Yao
a),
b)
, Bian Wu
a),
b),
c)
, Shao Hu
a),
b),
c)
, Qian Yuan
a),
b),
c)
, Guan Hua
a),
b)
, Tang Li-Yan
a),
b)
, Gao Ke-Lin
a),
b)†
Partial energy level diagram of
40
Ca
+
.