Fiber Specification-HNK Optic Equipment Co.,Limited

The single mode fiber meets or exceeds the ITU-T Recommendation G.652.D/G.657.A1/G.657.A2/G.657.B2 including the IEC 60793-2-50 type B1.3/B6.a1/B6.a2/ B6.b2 Optical Fiber Specification.

Bending insensitive feature not only guarantees L-band applications but also allows for easy installation without excessive care when storing the fiber especially for Fiber-to-the-Home networks application. Bending radii in fiber guidance ports can be reduced as well as minimum bend radii in wall and corner mountings.

Optical Characteristics for Single Mode 9/125 µm (G657A2)

CHARACTERISTIC		CONDITION	SPECIFIC VALUE	UNIT
Optical Characteristics
Attenuation		1310 nm	≤0.35	[dB/km]
		1383 nm (after H2-aging)	≤0.35
		1460 nm	≤0.25
		1490 nm	≤0.23
		1550 nm	≤0.21
		1625 nm	≤0.23
Attenuation vs. Wavelength Max. α Difference		1285-1330 nm	≤0.03	[dB/km]
Attenuation vs. Wavelength Max. α Difference		1525-1575 nm	≤0.02	[dB/km]
Dispersion Coefficient		1285-1340 nm	≥-3.4 ≤3.4	[ps/(nm.km)]
		1550 nm	≤18
		1625 nm	≤22
Zero Dispersion Wavelength			1300-1324	[nm]
Zero Dispersion Slope Typical value			≤0.092	[ps/(nm².km)]
PMD	Maximum Individual Fiber		≤0.10	[ps/√km]
	Link Design Value (M=20, Q=0.01%)		≤0.06
	Typical Value		0.04
Cable Cutoff Wavelength λсс			≤1260	[nm]
Mode Field Diameter (MFD)		1310 nm	8.4~9.2	[µm]
Mode Field Diameter (MFD)		1550 nm	9.3~10.3	[µm]
Effective Group Index of Refraction (Neff)		1310 nm	1.466
Effective Group Index of Refraction (Neff)		1550 nm	1.467
Point Discontinuities		1310 nm	≤0.05	[dB]
Point Discontinuities		1550 nm	≤0.05	[dB]
Macro Bending Induced Attenuation
10 Turns Around a Mandrel @ 15mm Radius		1550 nm	≤0.03	[dB]
10 Turns Around a Mandrel @ 15mm Radius		1625 nm	≤0.1	[dB]
1 Turn Around a Mandrel @ 10mm Radius		1550 nm	≤0.1	[dB]
1 Turn Around a Mandrel @ 10mm Radius		1625 nm	≤0.2	[dB]
1 Turn Around a Mandrel @ 7.5mm Radius		1550 nm	≤0.2	[dB]
1 Turn Around a Mandrel @ 7.5mm Radius		1625 nm	≤0.5	[dB]
Geometrical Characteristics
Cladding Diameter			125.0±0.7	[µm]
Cladding Non-Circularity			≤0.7	[%]
Coating Diameter			245±5	[µm]
Coating/Cladding Concentricity Error			≤12.0	[µm]
Coating Non-Circularity			≤6.0	[%]
Core/Cladding Concentricity Error			≤0.5	[µm]
Curl (Radius)			≥4	[m]
Delivery Length			2.1 to 50.4	[km/reel]
Environmental Characteristics		1310 nm, 1550 nm & 1625 nm
Temperature Dependence (Induced Attenuation)		- 60°C to +85°C	≤0.05	[dB/km]
Temperature Humidity Cycling (Induced Attenuation)		-10°C to +85°C, 98% RH	≤0.05	[dB/km]
Damp Heat Dependence (Induced Attenuation)		85°C and 85% RH, for 30days	≤0.05	[dB/km]
Water Soak Dependence (Induced Attenuation)		23°C, for 30days	≤0.05	[dB/km]
Dry Heat Aging		85°C, for 30days	≤0.05	[dB/km]
Mechanical Characteristics
Proof Test			≥9.0	[N]
			≥1.0	[%]
			≥100	[Kpsi]
Coating Strip Force		Typical Average Force	1.5	[N]
Coating Strip Force		Peak Force	≥1.3 & ≤8.9	[N]
Dynamic Stress Corrosion Susceptibility Parameter (Nd, Typical)			≥27