Ren, He; Zhang, Bin; Wang, Rongping; Yang, Anping; Zhang, Mingjie; Guo, Wei; Yang, Yan; Yang, Zhiyong; Tao, Hai-zheng; Tang, Dingyuan
Ge-As-Se chalcogenide glasses with MCN of 2.45-2.5 are promising nonlinear optical materials in infrared regions since they exhibit excellent infrared transparency, high third-order nonlinearity, and ultra-low photo-induced refractive index change. We therefore fabricated high purity Ge-As-Se glasses using a dynamic distillation technique, and drew core/cladding fibers through the rod-in-tube approach. The fibers show good transmittance in the 2-8 μm spectral region. The background loss was...[Show more]
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