CJ Photonics PM Double Cladding Tm-Doped Fiber is a high-power 2μm narrow linewidth fiber amplifier designed for human eye safety. By optimizing Tm ion doping, it has the characteristics of high slope efficiency, high absorption coefficient, and high polarization extinction ratio when pumped at a wavelength of 793nm.
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● Optimize components for high conversion efficiency |
● 2μm narrow line width fiber amplifier |
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Type |
CJTDF-15/250-PM |
CJTDF-25/400-PM |
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Optical
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Operating Wavelength |
nm |
1900-2100 |
1600-2100 |
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Core NA |
- |
0.11±0.02 |
0.10±0.01 |
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CladdingNA |
- |
≥0.46 |
≥0.46 |
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Cladding Attenuation@860nm |
dB/km |
≤15.0 |
≤15.0 |
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Cladding Absorption@793nm |
dB/m |
2.2±0.2 |
2.2±0.2 |
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Geometrical&Mechanical |
Birefringence |
- |
3.0±0.5 |
3.0±0.5 |
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Core Diameter |
μm |
15.0±1.0 |
25.0±2.0 |
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Cladding Diameter |
μm |
250.0±5.0 |
400.0±5.0 |
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Cladding Geometry |
- |
Circular, Panda Circle |
Circular, Panda Circle |
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Outer Coating Diameter |
μm |
395±10.0 |
550±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