Investigation of Relative Humidity Sensing Using Tapered No-Core Fiber Coated With Graphene Oxide Film

Optical microfiber sensor for detection of Ni2+ ions based on ion imprinting technology

“…In the past decades, the development and application of optical fiber sensors have widely attracted the attention of researchers. Various microfiber sensors such as microfiber optical interferometers [9][10][11] , microfiber gratings 12 , and microfiber couplers 13 have been proposed and adopted for both refractive index (RI) sensing and biosensing 14,15 due to the high sensitivity caused by their evanescent waves. Optical fiber sensors are also designed and modified to detect heavy metal ions in liquids [16][17][18] .…”