Dual optical path compensation enhanced U-shaped sensor based on evanescent  wave total internal reflection for liquid concentration measurement
LIU Dongjie, MO Dongxiao, CAO Ding, WANG Sunjun, LIU Xiang, HE Zhuoran
College Physics . 2026, (1): 13 .  DOI: 10.16854/j.cnki.1000-0712.250190