高頻寬 62.5/125 模光纖（62.5/125/250μm gigabit fiber）
in
This specification conforms to the requirement of IEC 60793 A1b.
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OPTICAL CHARACTERISTICS
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Characteristics
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Conditions
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Specified Values
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Unit
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Attenuation Coefficient
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850 nm
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≦ 3.0
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〔dB/km〕
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1300 nm
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≦ 0.8
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〔dB/km〕
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Numerical Aperture
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0.275 ± 0.015
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Overfilled Bandwidth
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850 nm
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≧ 200
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〔MHz·km〕
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1300 nm
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≧ 500
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〔MHz·km〕
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| Gigabit transmission distance |
850 nm
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≧ 275
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〔m〕
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1300 nm
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≧ 550
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〔m〕
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BACKSCATTER CHARACTERISTICS
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Attenuation Directional Uniformity
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≦ 0.05
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〔dB/km〕
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Attenuation Uniformity
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≦ 0.05
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〔dB〕
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Group Index of Refraction
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850 nm
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1.491
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1300 nm
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1.486
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PHYSICAL CHARACTERISTICS
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| Core Diameter | 62.5 ± 3.0 | 〔µm〕 | |
| Core Non- circularity | ≦ 5 | 〔%〕 | |
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Core / Cladding Concentricity Error
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≦ 3.0
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〔µm〕
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Cladding Diameter
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125 ± 1
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〔µm〕
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Cladding Non-Circularity
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≦ 2.0
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〔%〕
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Coating Diameter
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245 ± 10
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〔µm〕
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Clad/Coat Concentricity Error
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≦ 6
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〔µm〕
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Fiber curl
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≧ 2
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〔m〕
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Proof Test
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100
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〔kpsi〕
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Bend Induced Attenuation at 1300 nm
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≦ 0.5
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〔dB〕
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(100 turns around a mandrel of 75 mm diameter)
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Coating Strip Force (Typical)
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130
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〔g〕
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Length (Typical)
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4.4～8.8
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〔km〕
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ENVIRONMENTAL CHARACTERISTICS
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Temperature Dependence at 850 nm and 1300 nm
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≦ 0.2
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〔dB/km〕
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Induced Attenuation – 60°C to +85°C
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Watersoak Dependence at 850 nm and 1300 nm
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≦ 0.2
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〔dB/km〕
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Induced Attenuation at 20°C for 30 days
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Damp Heat Dependence at 850 nm and 1300 nm
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≦ 0.2
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〔dB/km〕
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Induced Attenuation at 85°C, 85%R.H., 30 days
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