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Double-Clad Yb-Doped Fibers


Double-Clad Yb-Doped Fibers features excellent laser conversion efficiency and resistance to photodarkening, along with good reliability, consistency, and stability.

Classification:


Double-Clad Yb-Doped Fibers are designed with low numerical aperture and large core diameter to effectively reduce nonlinear effects, this few-moded fiber is conducive to achieving high-power, high-beam-quality laser output. It features excellent laser conversion efficiency and resistance to photodarkening, along with good reliability, consistency, and stability. 

 

Product Features

LOW NA, LMA.
Tight geometric tolerance.
Low photo-darkening.
Low non-linearity

 

Applications

Medium or high power fiber lasers and amplifiers
CW or pulsed fiber lasers and amplifiers
Materials Processing, 
scientific research and medical
Nonlinear optics
Laser ranging
 

Specifications

Optical Properties

Part Number

10/125

10/125-HA

20/125

20/125-HA

20/130-HA

20/400

30/1250

Operating Wavelength(nm)

1015~1115

1015~1115

1015~1115

1015~1115

1015~1115

1015~1115

1015~1115

Core NA

0.075±0.005

0.075±0.005

0.075±0.005

0.075±0.005

0.075±0.005

0.065±0.005

0.060±0.010

Clad NA

> 0.46

> 0.46

> 0.46

> 0.46

> 0.46

> 0.46

> 0.46

Pump Clad Absorption(dB/m@915mm)

1.35±0.15

1.70±0.20

3.0±0.30

6.0±0.60

6.0± 0.80

0.40±0.05

2.00±0.20

Core Attenuation(dB/km@1200mm)

≤ 20.0

≤ 20.0

≤ 20.0

≤ 20.0

≤ 20.0

≤ 15.0

≤ 30.0

 

 

 

 

 

Geomatical and Mechanical Properties

Part Number

10/125

10/125-HA

20/125

20/125-HA

20/130-HA

20/400

30/1250

Core Diameter(μm)

10.5±1.0

10.5±1.0

20.0±2.0

20.0±2.0

20.0±2.0

20.0±2.0

30.0± 2.5

Cladding Diameter(μm)

125.0±2.0

125.0±2.0

125.0±2.0

125.0±2.0

130.0±2.0

400.0±10.0

250.0±5.0

Coating Diameter(μm)

245.0±10.0

245.0±10.0

245.0±10.0

245.0±10.0

245.0±10.0

550.0±20.0

400.0±15.0

Core/Clad Offset(μm)

≤ 1.0

≤ 1.0 ≤ 1.0 ≤ 1.0 ≤ 1.0

≤ 2.0

≤ 2.0

Coating Material

Low Index Acrylate

Low Index Acrylate

Low Index Acrylate

Low Index Acrylate

Low Index Acrylate

Low Index Acrylate

Low Index Acrylate

Proof Test Level(0.7GN/m²)

≥ 100 kpsi

≥ 100 kpsi

≥ 100 kpsi

≥ 100 kpsi

≥ 100 kpsi

≥ 100 kpsi

≥ 100 kpsi