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8?m至500?m。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取峰确保了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2.5–4?m和4.5–5?m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
Code CIR8/300 CIR 50/250 CIR 250/300 CIR 340/400 CIR 500/550
Type Step Index Single-mode Step Index? Few-mode Step Index Multimode Step Index Multimode Step Index Multimode
Core Dia., ?m 8±1 50±3 250±10 340±10 500±10
Cladding Dia., ?m 300±15 250±10 300±15 400±15 550±15
Protective Jacket Dia., ?m 400±20 410 ± 20 400 ±30 510 ± 30 700 ± 30
NA 0.25 ± 0.02 0.13 ± 0.02 0.30 ± 0.03 0.30 ± 0.03 0.30 ± 0.03
Min. bending? Radius,mm 60 50 60 80 100

 

Specifications
Core/cladding composition As2S3
Spectral Range 1.1 – 6.5 μm
Core Refractive Index 2.42
Fresnel Reflection Losses 31%
Attenuation at 3 – 4 μm & 4.5 ?m – 5 ?m 0.2 – 0.4 dB/m
Effective Numerical Aperture NA see Parameters of standard Chalcogenide fibers
Glass Transition Temperature, Tg 185 °C
Operating Temperature –273°C to +90°C
Core/Clad Diameter (standard) see Parameters of standard Chalcogenide fibers
Protective Jacket Fluoro polymer + PVC
Tensile Strength > 70 MPa
Minimum Bending Radius (fixed) 100x [Fiber Diameter]
Minimum Elastic Bending Radius 200x [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
  • 量子级联梅高美游戏网站的功率传输

 

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