2021 China New Design Unitube Cable - Singlemode Fiber- G.657A1 Singlemode Fiber – Wasin Fujikura Featured Image

2021 China New Design Unitube Cable - Singlemode Fiber- G.657A1 Singlemode Fiber – Wasin Fujikura Wasin Fujikura

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2021 China New Design Unitube Cable - Singlemode Fiber- G.657A1 Singlemode Fiber – Wasin Fujikura Detail:

Nanjing Wasin Fujikura of G.657A1 single mode fiber is the bending insensitivity fiber. Performance excelled ITU-TGB/T9771 the newest standard.

performance

characteristic		characteristic	date	unit
Optical specifications
Attenuation coefficient		1310nm1383nm1550nm1625nm	≤0.35 ≤0.34≤0.21 ≤0.24	dB/kmdB/kmdB/kmdB/km
Attenuation vs.Wavelength	@1310nm @1550nm	1285~1330nm1525~1575nm	≤0.04 ≤0.03	dB/kmdB/km
Wavelenth Dispersion		1285~1340nm1550nm1625nm	≥-3.5 ≤3.5≤18≤22	ps / (nm·km)ps / (nm·km)ps / (nm·km)
Zero-dispersion wavelength			1300~5324	nm
Zero-dispersion slope			≤0.092	ps/(nm²·km)
Polarization Mode Dispersion PMD Single fiber maximal value Fiber link value(M=20, Q=0.01 %)			≤0.20 ≤0.10	ps/√kmps/√km
cable cutoff wavelength			≤1260	nm
Mode field diameter MFD		1310nm	9.2±0.4	μm
Point discontinuity		1550nm	≤0.05	dB
Dimensions performance
Cladding diameter			125±0.7	μm
Cladding Non-circularity			≤0.5	%
Outer coating diameter			245±10	μm
Cladding/Coating Concentricity			≤12.0	μm
Core/cladding concentricity			≤0.5	μm
curvature(radius)			≥4	m
length			2.0~50.4	km/reel
Environmental perfbrmance(1310nm/1550nm)
Damp heat		85℃， humidity≥85%, 30days	≤0.05	dB/km
Dry heat		85℃±2℃, 30days	≤0.05	dB/km
Temperature Dependence		-60℃~ +85℃, two weeks	≤0.05	dB/km
Water immersion		23℃±5℃， 30days	≤0.05	dB/km
Mechanical performance
Proof test level			≥0.69	GPa
Macrobend loss 10 turns cp30mm 10 turnscp30mm1 tums(p20mm1 turns(p20mm		1550nm1625nm1550nm1625mn	≤0.25 ≤1.0≤0.75≤1.5	dBdBdBdB
Strip force			1.0~5.0	N
Dynamic fatigue parameter			≥20

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