Distributed Sapphire Fiber Bragg Grating-Based Thermal Profiling of Submerged Entry Nozzles. - Farhan Mumtaz; Hanok Tekle; Bohong Zhang; Xiaodong Li; Sunday Abraham; Bryant Mathis; Jeffrey D. Smith; Ronald J. O'Malley; Jie Huang 003 (IEEE Trans. Instrum. Meas., 2025)