2022 High quality G657A1 - G.652D Single-mode optical fiber (B1.3) – GELD

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2022 High quality G657A1 - G.652D Single-mode optical fiber (B1.3) – GELD Detail:

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1. Suitable for all kinds of fiber optic cable structure: central beam tube type, loose sleeve layer stranded type, skeleton type, fiber optic cable structure;

2. Applications of optical fiber include: fiber optical systems requiring low loss and high bandwidth, such as long-distance communication, trunk lines, loop feeders, distribution lines and cable TV, etc., especially suitable for 1383nm band coarse wavelength division multiplexing (CWDM), dense wavelength division multiplexing (DWDM) and various special environment use (e.g. Lightning-proof OPGW optical cable, ADSS optical cable, etc.), the optical fiber through special light curing coating material and coating process and after processing, so that it has a more superior performance in mechanical properties and high temperature environmental performance.

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Project					Standards or requirements	Unit
Optic loss			1310nm		≤0.35	(dB/km)
			1383nm		≤0.33	(dB/km)
			1550nm		≤0.21	(dB/km)
			1625nm		≤0.24	(dB/km)
Attenuation wavelength characteristic(dB/km) 1285nm～1330nm relative to 1310nm 1360nm～1410nm relative to 1383nm 1525nm～1575nm relative to 1550nm					≤0.03 ≤0.05 ≤0.02	(dB/km) (dB/km) (dB/km)
Dispersion			1288nm～1339nm		∣D∣≤3.4	(ps/nm.km)
			1271nm～1360nm		∣D∣≤5.3	(ps/nm.km)
			1550nm		≤17.8	(ps/nm.km)
Zero dispersion wavelength					1300～1322	(nm)
Zero-Dispersion Slope					≤0.091	(ps/.km)
Polarization mode dispersion		PMD single fiber			≤0.15	(ps/)
		PMDQ link			≤0.08	(ps/)
Mode field diameter		1310nm			9.2±0.4
Mode field diameter					125±1.0	(μm)
Cladding non-circularity					≤0.8	(%)
Core/packet concentricity error					≤0.6	(μm)
Secondary coating diameter					245±10	(μm)
Packet/coating concentricity error					≤10.0	(μm)
Cutoff wavelength					1.18～1.33	(μm)
Macro bending attached attenuation	Φ50mm 100 laps			1550nm 1625nm	≤0.05	(dB)
					≤0.05	(dB)
Bending radius					≥5	(m)
Dynamic fatigue parameter					≥20	()
Decay temperature characteristic（-60℃～85℃ 3 times recycle）				1310nm 1550nm	≤0.03	（dB/km）
Flooding performance(Soak in water at 23℃ for 30 days)					≤0.03	（dB/km）
Humidity and heat performance (85℃ and 85% for 30 days)					≤0.03	（dB/km）
Thermal aging performance (30 thermal aging performance at 85℃ (30 days at 85℃)					≤0.03	（dB/km）
Warm water test (soak in 60℃ water for 15 days)					≤0.03	（dB/km）

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