Stock Code:601869.SH / 06869.HK

Fluorine-doped Capillary Tube

YOFC can provide multi-layer fluorine-doped capillary tube with low internal refractive index and high external refractive index based on PCVD process and equipment, which is suitable for high-power beam combiner and photon lantern, and meets various application requirements.
  • High-power beam combiner
  • Photonic lantern
  • Good optical performance
  • Good dimensional uniformity
  • Good temperature resistance


Product Type DFT0.75/0.4-150-0.22 DFT1.5/0.8-150-0.22
*Length(mm) 150 ± 0.1
Typical Value of NA 0.22
Material F-doped SiO2
Outside Diameter(mm)

0.75 ± 0.05

1.5 ± 0.05

Internal Diameter(mm)

0.4 ± 0.05

0.8 ± 0.05

Ratio of Outer Diameter
to Inner Diameter of
Fluorine-doped Layer

*The length can be customized within 150 mm.

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