Characterization of Multi-Path Interference of 10-km Hollow Core Fiber using Swept Wavelength Interferometry. - Nicolas K. Fontaine; Stefano Grilanda; Roland Ryf; Lauren Dallachiesa; David T. Neilson; Haoshuo Chen; Mikael Mazur; Peng Li; Lei Zhang; Jie Luo; Shuhai Li; Sezer Erkilinc; et al. (OFC, 2026)