LIEKKI™ Yb1200-4/125 – Single Mode Ytterbium Doped Fiber

 LIEKKI Yb1200-4/125 fibers are highly doped single mode ytterbium fibers for low-noise, low-nonlinearity preamplifiers and lasers. Their telcom-like geometry makes them compatible with low-cost pump diodes and standard single mode passive fibers. They make an excellent preamplifier in a fiber amplifier chain with double cladding fiber acting as power amplifier.

Typical Device Performance

 

‎光纤‎


‎火焰‎TM‎Yb1200-4/125‎

Mode Field Diameter at 1060nm

µm

4.4 ± 0.8

Peak Core Absorption at 976 nm

dB/m

(1200)

(nominal)



Cladding Absorption at 920 nm

dB/m

(280)

Core Numerical Aperture (nominal)


0.2

Cut-off Wavelength

nm

1010 ± 70

‎几何学和机械学‎

Core Concentricity Error

µm

< 0.7

Cladding Diameter

µm

125 ± 2

Cladding Geometry


Round

Coating Diameter

µm

245 ± 15

Cladding Material


High Index Acrylate

Proof Test

Kpsi

> 100