Low Crosstalk Plastic Optical Fiber-Based Dual-Parameter SPR Sensor With Stepped Side-Polished Structure and Differentiated Au-Film Thickness. - Chuanxin Teng; Xinjing Li; Rui Min; Shijie Deng; Zujun Qin; Libo Yuan; Xuehao Hu (IEEE Trans. Instrum. Meas., 2024)