Bend Performance and Compatibility Corning ClearCurve ZBL Optical Fiber delivers the best macro bending performance in the industry while maintaining compatibility with current optical fibers, equipment, practices and procedures. This full-spectrum single-mode optical fiber when subjected to smaller radii bends experiences virtually no signal loss. ClearCurvefiber exceeds the most stringent bend performance requirements of ITU-T Recommendations G.657.B3, while remaining fully compliant with ITU-T Recommendation G.652.D and the installed base of Corning SMF-28eand SMF-28e+ fiber. Now network planners and designers can design optical fiber into much more challenging installations and environments, and cable designers can offer optical cables with unmatched ruggedness for easier installation and handling. Spec Sheet: Download Corning ClearCurve ZBL SM Fiber Spec Sheet (pdf) Maximum Attenuation (dB/km) 0.33 - 0.35 (1310nm) 0.31 - 0.35 (1383nm) 0.21 - 0.24 (1490nm) 0.19 - 0.20 (1550nm) 0.21 - 0.23 (1625nm) Attenuation vs. Wavelength: Range (nm) Ref. (nm) Max. Difference(dB/km) 1285 - 1330 1310 0.03 1525 - 1575 1550 0.02 Mode-Field Diameter Wavelength (nm) MFD (µm) 1310 8.6 0.4 1550 9.65 0.5 Cable Cutoff Wavelength ccf: 1260 nm Macrobend Loss MandrelRadius (mm) Number ofTurns Wavelength (nm) InducedAttenuation (dB) 5 1 1550 0.10 5 1 1625 0.30 Polarization Mode Dispersion (PMD) Value (ps/km) PMD Link Design Value 0.06 Maximum Individual Fiber 0.2 Note: Respooling capabilities are available. There is a respooling charge of 5¢ per meter for lengths over 2,000 meters. Any length under 2,000 meters will incur a minimum spooling charge of $10.00.
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