The CJ Photonics PM Double Cladding Passive Matching Fiber is designed for scenarios such as Ultrashort pulse fiber lasers and high-power narrow linewidth fiber amplifiers. It has the characteristics of high matching, low fusion loss, and high polarization extinction ratio, ensuring the high performance application of polarization maintaining Yb-doped fibers in systems.
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● High reliability |
● Ultrashort pulse fiber laser,Narrow linewidth fiber laser |
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Type |
CJGDF-6/125-PM |
CJGDF-20/400-PM |
CJGDF-25/400-PM |
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Optical
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Operating Wavelength |
nm |
850-1115 |
850-1115 |
850-1115 |
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Core NA |
- |
0.14±0.02 |
0.065±0.005 |
0.064±0.005 |
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Cladding NA |
- |
≥0.46 |
≥0.46 |
≥0.46 |
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Core Attenuation@1200nm |
dB/km |
≤10.0 |
≤25.0 |
≤15.0 |
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Cladding Attenuation@1095nm |
dB/km |
≤15.0 |
≤15.0 |
≤15.0 |
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Birefringence |
10-4 |
2.5±0.5 |
4.0±0.5 |
4.0±0.5 |
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Geometrical&Mechanical |
Core Diameter |
μm |
5.5±1.0 |
20.0±1.5 |
25.0±1.0 |
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Cladding Diameter |
μm |
125.0±2.0 |
400.0±10.0 |
400.0±10.0 |
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Cladding Geometry |
- |
Circular,Panda Circle |
Circular,Panda Circle |
Circular,Panda Circle |
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Core-Cladding Concentricity Error |
μm |
≤1.5 |
≤2.0 |
≤2.0 |
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Coatng Diameter |
μm |
245.0±15.0 |
550.0±15.0 |
550.0±15.0 |
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Coating Material |
- |
low refractive index coating |
low refractive index coating |
low refractive index coating |
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Matrix Material |
- |
silica |
silica |
silica |
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Proof Test |
kpsi |
≥100 |
≥100 |
≥100 |
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Product Features
Application Area