supported by the National Natural Science Foundation of China(No.62003237);the Tianjin Enterprise Technology Commissioner Project(No.20YDTPJC01700);the State Key Laboratory of Applied Optics(No.SKLA02020001A02);the Tianjin Municipal Education Commission Scientific Research Project(No.2017ZD15)。
A temperature-insensitive sensor for glucose brix measurement based on compact spindle-shaped structure with two-mode fiber(TMF) is proposed. Due to the bending of optical fiber caused by flame baking, some of the lig...