Highly sensitive micro-hygrometer based on microfiber knot resonator

• Main Authors: Tian, Qin, Yang, Hang Zhou, Rong, Qiang Zhou, Feng, Zhong Yao, Wang, Ruo Hui, Zaini, Muhammad Khairol Annuar, Lim, Kok Sing, Ahmad, Harith, Zhang, Pan, Ding, Xiang Zi, Lu, Kai, He, Yu Dong
• Format: Article
• Published: Elsevier 2019
• Subjects: Q Science (General); QC Physics
• Online Access: http://eprints.um.edu.my/19977/; https://doi.org/10.1016/j.optcom.2018.08.062

In this work, we experimentally demonstrated a microfiber knot resonator (MKR) for ambient relative humidity (RH) measurement. The microfiber device was manufactured by forming a ring from a low-loss microfiber, fabricated from a single-mode fiber (SMF) by using flame-heating technique. The resonato...