The CJ Photonics Pulse Series Double Cladding Yb-Doped Fiber is designed for the seed source and amplifier of medium and low-power pulse lasers.This series of fibers has the characteristics of near single-mode transmission,low bending loss,low photon darkening,and high slope efficiency,and can be used in 10-500W pulse fiber lasers,as well as in medical and industrial material processing fields.
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● Series concentration doping,suitable for fiber lasers with different application requirements |
● Pulse fiber laser |
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Type |
CJYDF-10/130 |
CJYDF-20/130 |
CJYDF-23/130 |
CJYDF-25/250 |
CJYDF-30/250 |
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Optical |
Operating Wavelength |
nm |
1030-1100 |
1030-1100 |
1030-1100 |
1030-1100 |
1030-1100 |
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Core NA |
- |
0.085±0.005 |
0.075±0.005 |
0.070±0.005 |
0.065±0.005 |
0.060±0.005 |
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Cladding NA |
- |
≥0.46 |
≥0.46 |
≥0.46 |
≥0.46 |
≥0.46 |
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Cladding Absorption@915nm |
dB/m |
1.3±0.2 |
3.5±0.5 |
4.2±0.4 |
2.3±0.3 |
2.4±0.3 |
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Core Attenuation@1200nm |
dB/km |
≤15.0 |
≤15.0 |
≤15.0 |
≤15.0 |
≤15.0 |
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Cladding Attenuation@1095nm |
dB/km |
≤15.0 |
≤15.0 |
≤15.0 |
≤15.0 |
≤15.0 |
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Geometrical&Mechanical |
Core Diameter |
μm |
10.0±1.0 |
20.0±1.0 |
23.0±1.0 |
25.0±2.0 |
30.00±2.0 |
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Cladding Diameter |
μm |
130.0±3.0 |
130.0±3.0 |
130.0±3.0 |
250.0±5.0 |
250.0±5.0 |
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Cladding Geometry |
- |
Octagon |
Octagon |
Octagon |
Octagon |
Octagon |
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Coating Diameter |
μm |
245.0±15.0 |
245.0±15.0 |
245.0±15.0 |
395.0±15.0 |
395.0±15.0 |
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Coating Material |
- |
low refractive index coating |
low refractive index coating |
low refractive index coating |
low refractive index coating |
low refractive index coating |
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Matrix Material |
- |
silica |
silica |
silica |
silica |
silica |
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Proof Test |
kpsi |
≥100 |
≥100 |
≥100 |
≥100 |
≥100 |
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Product Features
Application Area