The CJ Photonics 2μm PM Passive Matching Fiber is designed specifically for high-power 2μm narrow-linewidth and single-frequency fiber lasers and amplifiers, ensuring high-performance output of PM thulium-doped fibers in system applications.
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● Low splicing attenuation, excellent mode control
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● 2μm narrow-linewidth fiber lasers |
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Type |
CJGDF-15/250-PM |
CJGDF-25/400-PM |
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Optical
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Operating Wavelength |
nm |
1900-2100 |
1900-2100 |
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Core NA |
- |
0.10±0.02 |
0.11±0.01 |
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Cladding NA |
- |
≥0.46 |
≥0.46 |
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Birefringence |
10-4 |
3.0±0.5 |
≥3.0 |
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Geometrical&Mechanical |
Core Diameter |
μm |
15.0±1.0 |
25.0±2.0 |
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Cladding Diameter |
μm |
250.0±10.0 |
400.0±10.0 |
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Cladding Geometry |
- |
Circular, Panda Circle |
Circular, Panda Circle |
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Outer Coating Diameter |
μm |
395.0±15.0 |
550.0±15.0 |
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Coating Material |
- |
low refractive index coating |
low refractive index coating |
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Matrix Material |
- |
silica |
silica |
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Proof Test |
kpsi |
≥100 |
≥100 |
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Product Features
Application Area