Photonic crystal fiber-based plasmonic sensor with ITO for medical applications Pibin Bing, Jiangfei Zhao, Qing Liu, Xiaohu Yi, Zhongyang Li, Hongtao Zhang, Zhiliang Chen and Juan Xu Eur. Phys. J. D, 77 4 (2023) 68 Published online: 28 April 2023 DOI: 10.1140/epjd/s10053-023-00655-z