OFS has developed several rare earth doped fibers, each designed for a different type of fiber laser. Ytterbium and Thulium doped fibers have photosensitive cladding. Type Other Doped Fibers Peak Absorption @ 915 nm, 100 dB/m @ 977 nm, 320 dB/m PM or SM PM h-parameter of m -1 2.5 x 10 -4 m -1 Coating Diameter 245 µm 应用:光纤激光器,光纤放大器