Recently, tremendous progress has been made in fluoride glass fiber technology. Fiber transmission has been extended up to 5.5 um by using indium fluoride glass fibers. Current Fiber loss is around 45 dB/km and more than 100 kpsi mechanical strength.
© 2012 OSA
(060.2270) Fiber optics and optical communications : Fiber characterization
(060.2290) Fiber optics and optical communications : Fiber materials
(060.2390) Fiber optics and optical communications : Fiber optics, infrared
M. Saad, "Progress in Fluoride Glass Fibers," in Advanced Photonics Congress, OSA Technical Digest (online) (Optical Society of America, 2012), paper STu3F.5.