The CJ Photonics 2μm Double Cladding Passive Matching Tm-Doped Fiber is designed for high-power 2μm pulse or continuous fiber lasers and amplifiers. It has the characteristics of high matching degree, low fusion loss, high consistency and stability, ensuring the high-performance output of Tm-doped fibers in system applications.
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● Low fusion attenuation and good mode control |
● 2μm fiber laserand amplifier |
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Type |
CJGDF-10/130-T |
CJGDF-15/250-T |
CJGDF-20/250-T |
CJGDF-25/250-T |
CJGDF-25/400-T |
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Optical
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Operating Wavelength |
nm |
1900-2100 |
1900-2100 |
850-2100 |
1900-2100 |
1900-2100 |
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Core NA |
- |
0.15±0.01 |
0.11±0.02 |
0.10±0.02 |
0.11±0.01 |
0.11±0.01 |
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Inner CladdingNA |
- |
≥0.46 |
≥0.46 |
≥0.46 |
≥0.46 |
≥0.46 |
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Cladding Attenuation@1095nm |
dB/km |
≤15.0 |
≤20.0 |
≤20.0 |
≤15.0 |
≤15.0 |
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Core Attenuation@1200nm |
dB/km |
≤20.0 |
≤15.0 |
≤15.0 |
≤20.0 |
≤20.0 |
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Geometrical&Mechanical |
Core Diameter |
μm |
10.0±1.0 |
15.0±1.0 |
20.0±1.0 |
25.0±1.0 |
25.0±2.0 |
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Cladding Diameter |
μm |
130.0±2.0 |
247.0±5.0 |
250.0±5.0 |
247.0±5.0 |
400.0±10.0 |
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Core-Cladding Concentricity Error |
μm |
≤1.0 |
≤0.7 |
≤1.5 |
≤1.5 |
≤2.0 |
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Coating Diameter |
μm |
245.0±10.0 |
395.0±10.0 |
395.0±10.0 |
395.0±10.0 |
550.0±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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Mechanical Strength |
kpsi |
≥100 |
≥100 |
≥100 |
≥100 |
≥100 |
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Product Features
Application Area