硫化物红外光纤

硫化物红外光纤

硫系As-S玻璃光纤,可在1.1–6.5μm的光谱范围内传输红外辐射。高性能CIR芯/包层光纤的芯径范围为8µm至500µm。先进的双聚合物护套拉拔工艺为CIR光纤提供了优越的机械强度和高柔韧性。在上述光谱范围内,低的光损耗和小的吸收峰确保了CIR光纤的广泛应用。

主要特点:

  • 1.1-6.5μm范围内的高透射率
  • 在2.5–4µm和4.5–5µm时,光学损耗约为0.2–0.3 dB/m
  • 芯/包层结构,芯径从8μm到500μm
  • 高柔韧性的双聚合物涂层

规格:

Parameters of standard Chalcogenide fibers
CodeCIR8/300CIR 50/250CIR 250/300CIR 340/400CIR 500/550
TypeStep Index Single-modeStep Index  Few-modeStep Index MultimodeStep Index MultimodeStep Index Multimode
Core Dia., µm8±150±3250±10340±10500±10
Cladding Dia., µm300±15250±10300±15400±15550±15
Protective Jacket Dia., µm400±20410 ± 20400 ±30510 ± 30700 ± 30
NA0.25 ± 0.020.13 ± 0.020.30 ± 0.030.30 ± 0.030.30 ± 0.03
Min. bending  Radius,mm60506080100

 

Specifications
Core/cladding compositionAs2S3
Spectral Range1.1 – 6.5 μm
Core Refractive Index2.42
Fresnel Reflection Losses31%
Attenuation at 3 – 4 μm & 4.5 µm – 5 µm0.2 – 0.4 dB/m
Effective Numerical Aperture NAsee Parameters of standard Chalcogenide fibers
Glass Transition Temperature, Tg185 °C
Operating Temperature–273°C to +90°C
Core/Clad Diameter (standard)see Parameters of standard Chalcogenide fibers
Protective JacketFluoro polymer + PVC
Tensile Strength> 70 MPa
Minimum Bending Radius (fixed)100x [Fiber Diameter]
Minimum Elastic Bending Radius200x [Fiber Diameter]

应用领域:

  • 中红外光谱
  • 灵活红外测温法
  • 灵活的红外成像系统
  • 量子级联激光器的功率传输

 

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