liekki yb1200－10/125dc 是一种高掺杂的双包层掺镱增益光纤，用于光纤放大器和激光器。具有高的包层吸收率和单模纤芯结构。 fiber liekkitm yb1200-10/125dc liekkitm yb1200-10/125dc-pm optical peak cladding absorption at 976 nm (nominal) db/m (6.9) (6.9) cladding absorption at 920 nm db/m 1.8 ± 0.4 1.8 ± 0.4 core numerical aperture 0.08 ± 0.01 0.08 ± 0.01 birefringence > 1.4e-04 geometrical and mechanical core diameter μm 10 ± 1 10 ± 1 core concentricity error μm < 1.5 0.46 > 0.46 proof test kpsi > 100 > 100