Corning® SMF-28® ULL optical fiber - CORNING Telecommunications - (Version JPG) - Page n° 2 - PDF Catalogue | Technical Documentation

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Glass Geometry Coating Geometry


Fiber Curl	> 4.0 m radius of curvature	Coating Diameter	245 ± 5 um
Cladding Diameter	125.0 ±0.7 urn	Coating-Cladding Concentricity	<12 um
Core-Clad Concentricity	< 0.5 um
Cladding Non-Circularity	< 0.7%

Environmental Specifications

Induced Attenuation


Environmental Test	Test Condition	1310 nm, 1550 nm& 1625 nm (dB/km)
Temperature Dependence	-60°C to +85°C*	< 0.05
Temperature Humidity Cycling	-10°C to +85°C* up to 98% RH	< 0.05
Water Immersion	23°± 2°C	< 0.05
Heat Aging	85°± 2°C*	< 0.05
Damp Heat	85°C at 85% RH	< 0.05

^Reference temperature = +23°C

Operating Temperature Range: -60°C to +85°C

Mechanical Specifications

Proof Test

The entire fiber length is subjected to a tensile stress > 100 kpsi (0.7 GPa)*.

*Higher proof test levels available.

Length

Fiber lengths available up to 50.4* km/spool.

*Longer spliced lengths available.

For additional information, contact your sales representative or call the Optical Fiber Customer Service Department: 1.607.248.2000 (U.S. and Canada) +44.1244.525.320 (Europe) Email: opticalfibcs@corning.com

Corning® SMF-28® ULL optical fiber - CORNING Telecommunications - #2

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