Inhomogeneous distribution of refractive index in fluoride glass fibers was found. The inhomogeneity results from stress in the fiber and can be an origin of wavelength independent scattering which is the dominant loss factor present in fluoride glass fibers.
© 1990 Optical Society of America
Tetsuya Nakai, Osamu Shinbori, Yukio Noda, and Y. Mimura, "Stress-induced refractive index inhomogeneity in fluoride glass fibers: origin of wavelength independent scattering loss," Appl. Opt. 29, 2231-2233 (1990)