An efficient and robust scheme for controlling the states of polarization in a Sagnac interferometric configurationSi-Min Li, Sheng-Xia Qian, Ling-Jun Kong, Zhi-Cheng Ren, Yongnan Li, Chenghou Tu and Hui-Tian WangEPL, 105 6 (2014) 64006DOI: https://doi.org/10.1209/0295-5075/105/64006