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Continuous Series Yb-Doped Fiber

The CJ Photonics Continuous Series Double Cladding Yb-Doped Fiber is designed for medium and high power continuous fiber lasers and amplifiers.The fiber has characteristics such as large mode field area,near single-mode output,high slope efficiency,high mode instability threshold,and low photon darkening.It can be used in 500-6000W continuous fiber lasers and amplifiers,and is also applied in medical and industrial material processing fields.


Products Detail

  Product Features

Large mold field area
Acceptable customization
High mode instability threshold and low photon darkening effect
 Acceptable customization

  Application Area

● High power continuous fiber laser
● Material processing,scientific research

Type
Parameter

CJYDF-14/250

CJYDF-20/400

CJYDF-25/400

CJYDF-30/400

CJYDF-30/600

Optical

Operating Wavelength

nm

1030-1100

1030-1100

1030-1100

1030-1100

1030-1100

Core NA

-

0.070±0.005

0.065±0.005

0.060±0.005

0.058±0.003

0.060±0.005

Cladding NA

-

0.46

0.46

≥0.46

≥0.46

≥0.46

CladdingAbsorption@915nm

dB/m

0.75±0.05

0.40±0.05

0.60±0.05

0.70±0.20

0.40±0.05

Core Attenuation@1200nm

dB/km

≤15.0

≤15.0

≤15.0

15.0

15.0

Cladding Attenuation@1095nm

dB/km

15.0

15.0

≤15.0

15.0

15.0

Geometrical&Mechanical

Core Diameter

μm

14.0±1.0

20.0±1.5

25.0±1.5

30.0±3.0

30.0±3.0

Cladding Diameter

μm

250.0±10.0

400.0±10.0

400.0±10.0

400.0±10.0

600.0±10.0

Cladding Geometry

-

Octagon

Octagon

Octagon

Octagon

Octagon

Coating Diameter

μm

400.0±15.0

550.0±15.0

550.0±15.0

550.0±15.0

750.0±20.0

Coating Material

-

low refractive index coating

low refractive index coating

low refractive index coating

low refractive index coating

low refractive index coating

Matrix Material

-

silica

silica

silica

silica

silica

Proof Test

kpsi

100

100

≥100

≥100

≥100


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