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    Fluorine-doped Capillary Tube

    The fluorine-doped capillary tube is fluorine-doped by using the plasma chemical vapor deposition (PCVD) technique to achieve a multi-layer structure with low internal refractive index and high external refractive index. It is processed by multiple processes and suitable for medium and high-power fibre optic combiners and photonic lanterns.
    Applications
    • Medium and high power fibre optic combiner
    • Photonic lantern
    Characteristics
    • Good dimensional uniformity
    • Good temperature resistance
    • Good optical performance
    • Precise control and flexible section
    Structure

    Specifications

    Product type

    DFT0.75/0.4-150-0.22

    DFT1.5/0.8-150-0.22

    DFT1.1/0.85-150-0.22

    DFT1.2/0.96-150-0.22

    Length (mm)

    150±0.3

    Typical value of NA

    0.22

    Material

    F-doped SiO2

    Outer diameter (mm)

    0.75±0.05

    1.5±0.05

    1.1±0.05

    1.2±0.05

    Inside diameter (mm)

    0.4±0.05

    0.8±0.05

    0.85±0.05

    0.96±0.05
    Ratio of outer diameter to inside
    diameter of fluorine-doped layer

    >1.1

    *The length is customizable within a certain range
     

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