Side-Polish Plastic Optical Fiber Based SPR Sensor for Refractive Index and Liquid-Level Sensing. - Chuanxin Teng; Shiyuan Ying; Rui Min; Shijie Deng; Hongchang Deng; Ming Chen 016; Xiaoxue Chu; Libo Yuan; Yu Cheng 012; Minmin Xue (Sensors, 2022)