Real-time sensing on the angular coordinates of nanoparticles using whispering-gallery mode optical microcavitiesTing-Tian Pang, Yong-Pan Gao, Wen-Ling Xu and Chuan WangEPL, 133 1 (2021) 14002DOI: https://doi.org/10.1209/0295-5075/133/14002
