TWENTSCHE Ewave+ Ultra-Micro 200μm Single-Mode Fiber

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TWENTSCHE Ewave+ Ultra-Micro 200μm Single-Mode Fiber

Ewave™+ Ultra Micro™ G.652.D 200µm single-mode fiber features an optimized coating design. The fiber's glass dimensions are identical to those of the widely used conventional 245µm outer diameter fiber. Despite a significantly reduced coating diameter, it maintains the same superior optical, transmission, mechanical, and environmental performance as conventional 245µm coating diameter fiber specified in ITU-T G.652.D and IEC 60793-2-50 B1.3, and is fully compatible with these standards. It is suitable for transmission systems operating in the full 1260nm-1625nm wavelength range.
This full-spectrum fiber exhibits no water peak, low attenuation, low dispersion, and low polarization mode dispersion (PMD), excellent attenuation uniformity, and superior, stable geometric dimensional control.
TFO Ewave™+ Ultra Micro™ G.652.D 200µm single-mode fiber can significantly reduce cable diameter, lowering cable laying and installation costs, improving conduit utilization, and conserving resources. It is widely used in high-fiber-count cables and micro cables.

Size:	25.2KM/ROLL 50.4KM/ROLL Other
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Ewave+ Ultra-Micro 200μm

Property	Condition	Specification Data	Unit
Optical Performance
Attenuation Coefficient	1310 nm	≤ 0.34	dB/km
	1285–1330 nm	≤ 0.37	dB/km
	1383 nm (after hydrogen aging)	≤ 0.31	dB/km
	1550 nm	≤ 0.21	dB/km
	1525–1575 nm	≤ 0.22	dB/km
	1625 nm	≤ 0.24	dB/km
Mode Field Diameter (MFD)	1310 nm	9.0 ± 0.4	μm
Mode Field Diameter (MFD)	1550 nm	10.2 ± 0.5	μm
Cutoff Wavelength
Cabled Cutoff Wavelength		≤ 1260	nm
Dispersion
Zero Dispersion Wavelength		1300–1324	nm
Zero Dispersion Slope		≤ 0.092	ps/nm²·km
Dispersion Coefficient	1285–1339 nm	≤3.4	ps/nm·km
	1271–1360 nm	≤ 5.3	ps/nm·km
	1550 nm	≤ 18.0	ps/nm·km
	1625 nm	≤ 22.0	ps/nm·km
Polarization Mode Dispersion (PMD)
PMD Coefficient	Un-cabled Fiber	≤ 0.10	ps/√km
PMD Coefficient	PMD Link Design Value	≤ 0.06	ps/√km
Point Discontinuity	1310 nm	≤ 0.05	dB
Point Discontinuity	1550 nm	≤ 0.05	dB
Effective Group Refractive Index	1310 nm	1.4671
	1550 nm	1.4675
	1625 nm	1.4680
Geometric Properties
Core Non-Circularity		≤ 6	%
Cladding Diameter		125.0 ± 0.5	μm
Core/Cladding Concentricity Error		≤ 0.4	μm
Cladding Non-Circularity		≤ 0.6	%
Coating Diameter		190 ± 5	μm
Cladding/Coating Concentricity Error		≤ 8	μm
Mechanical Properties
Proof Test	Fiber Strain	≥ 1	%
	Fiber Load	≥ 9	N
	Stress	≥ 100	kpsi
Dynamic Fatigue Parameter ndnd	Before aging	≥ 20
Dynamic Fatigue Parameter ndnd	After aging (85°C, 85% RH, 30 days)	≥ 20
Macro-Bend Sensitivity	30mm radius, 100 turns, 1625 nm	≤ 0.05	dB
Coating Strip Force	Peak	1.3 – 8.9	N
Fiber Curvature Radius		≥ 4	m
Environmental Performance
Damp Heat (85°C, 85% RH, 30 days)	Additional attenuation (1310 nm & 1550 nm)	≤ 0.05	dB/km
Dry Heat (85°C, 30 days)	Additional attenuation (1310 nm & 1550 nm)	≤ 0.05	dB/km
Temperature Cycle (–60°C to +85°C)	Additional attenuation (1310 nm & 1550 nm)	≤ 0.05	dB/km
Water Immersion (23°C, 30 days)	Additional attenuation (1310 nm & 1550 nm)	≤ 0.05	dB/km