Optical Specifications SMR-EYDF-6/110/125-HTA SMR-EYDF-10P/110/125-HTA Operating Wavelength 1530 - 1625 nm 1530 - 1625 nm Core NA 0.21 0.14 First Cladding NA (5%) 0.23 + 0.01 0.23 + 0.01 Second Cladding NA >0.46 >0.46 Core Attenuation ≤ 200 dB/km在1310nm≤200db/km处,在1310 nm核心吸收时60 + 10 db/m接近1530 nm 75 + 20 db/m,接近1530 nm的1530 nm覆层吸收2.0 + 1.0,在915 nm 2.7 + 1.0处,在915 nm cladding untenuation≤15db/km处于1095 nm/km/km/km/km/km/km/km/km/km/km/km/