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PM Yb-Doped Fiber

The CJ Photonics Double-Clad PM Yb-Doped Fiber is designed for ultrashort-pulse fiber laser seed sources, high-power narrow-linewidth fiber lasers, and amplifiers. This fiber features single-mode transmission, a high polarization extinction ratio, low bending loss, a low photodarkening effect, and high slope efficiency, and can be applied in laser medical treatment.

Products Detail

  Product Features

High reliability
High power output and high efficiency
Great polarization retention characteristics

  Application Area

● Ultrashort pulse fiber laser,Narrow line-width fiberlaser
● Material processing
● Nonlinear optics/frequency doubling

Type
Parameter

CJYDF-10/125-PM

CJYDF-20/400-PM

CJYDF-25/250-PM

CJYDF-25/400-PM

CJYDF-30/250-PM

Optical

Operating Wavelength

nm

1060-1115

1030-1100

1030-1100

1030-1100

1030-1100

Core NA

-

0.080±0.005

0.065±0.005

0.065±0.005

0.065±0.005

0.060.005

Cladding NA

-

≥0.46

0.46

0.46

0.46

0.46

Cladding Absorption@915nm

dB/m

2.0±0.3

0.50±0.05

2.3±0.3

0.60±0.10

2.4±0.3

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

Birefringence

10-4

3.0±0.5

3.5±0.5

2.0

3.5±1.0

3.0±1.0

Geometrical&Mechanical

Core Diameter

μm

11.5±1.0

20.0±1.5

25.0±2.0

25.0±2.0

30.0±2.0

Cladding Diameter

μm

125.0±5.0

405.0±5.0

250.0±10.0

400.0±10.0

250.0±10.0

Cladding Geometry

-

Circular,

Panda Circle

Circular,

Panda Circle

Circular,

Panda Circle

Circular,

Panda Circle

Circular,

Panda Circle

Coating Diameter

μm

245.0±15.0

550.0±15.0

395.0±15.0

550.0±15.0

395.0±15.0

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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