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ZBLAN-双包层氟化物光纤

RE-doped Double-Cladding纤维的最佳纤维制造的高功率光纤激光器和光纤放大器,因为它们可以由高功率多模LD兴奋。因为ZBLAN纤维具有独特的发射乐队像1.3μm - 1.46μm - 2.8μ尺度,新设备的发展利用这些排放乐队是可能的。特别是2.9 μm波段掺铒DCF光纤激光器在国内外得到了积极的研究。采用我们原有的光纤制造技术开发的八角形DCFF，操作简单，激发效率高。

■ DCFF configurations
core1st

■ Parameters for Custom DCFF

Item RE doped Double Cladding Fiber
　Fiber Type
Double cladding fluoride fiber
　Dopant
Pr, Nd, Ho, Er,Dy, Tm, Yb, others
　Dopant concentration (ppm mol)
500~50000
　Cladding shape
Circular
Octagonal
Rectangular
　Core NA
0.16, 0.21, 0.26
　Cladding NA
0.5
　Cut-off Wavelength(µm)
<2.5
　Core Diameter(µm)
>2
　Cladding size(µm)
Circular:123/200/500 (diameter)
Octagonal: 123/200/500 (diagonal length)
Rectangular: 123/200/500 (diagonal length)
　Coating Diameter(µm)
460, 480, 600
　2nd cladding thickness (µm)
>30
　2nd cladding material
fluororesin
　Coating Material
UV curable acrylate
　Proof Test
1.25cm, 2cm, 6cm Radius
　Price
$10,000 ~ $25,000/lot

■ Background Loss & Emission Wavelength
By selecting rare earth elements and excitation wavelengths, light emissions of various wavelengths are obtained.
While the core has low loss in the region of long wavelengths, propagation light in the first clad causes greater loss at 1.7 μm and longer wavelengths due to absorption of the fluorine-based UV resin used for the second clad.
RE-doped_DCFF_2


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