Controllable transmission of vector beams in dichroic medium<xref rid="cpb_28_1_014205_fn1" ref-type="fn">*</xref><fn id="cpb_28_1_014205_fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant Nos. 11774286, 11374238, 11534008, 11604258, and 11574247), China Postdoctoral Science Foundation (Grant No. 2016M592771), and the Fundamental Research Funds for the Central Universities, China (Grant No. xjj2018213).</p></fn>

Controllable transmission of vector beams in dichroic medium**

Project supported by the National Natural Science Foundation of China (Grant Nos. 11774286, 11374238, 11534008, 11604258, and 11574247), China Postdoctoral Science Foundation (Grant No. 2016M592771), and the Fundamental Research Funds for the Central Universities, China (Grant No. xjj2018213).

Li Yun-Ke, Wang Jin-Wen, Yang Xin, Chen Yun, Chen Xi-Yuan, Cao Ming-Tao, Wei Dong, Gao Hong^†, Li Fu-Li

(a) Experimental setup. SMF, single-mode optical fiber; L, lens; HWP, half-wave plate; QWP, quarter-wave plate; PBS, polarization beam splitter; BS, beam splitter; CCD, charge-coupled device camera; PD, photodetector. (b) Saturated absorption spectroscopy of the energy levels from F_g = 1 to F_e = 0, 1, 2 of the ⁸⁷Rb D₂ line.