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Corning ClearCurve ZBL Single Mode Fiber (G.657 A/B)
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Corning ClearCurve ZBL Single Mode Fiber (G.657 A/B)

Corning Part No.: ClearCurveZBL

  • $ 1.88 or
  • per meter


Bend Performance and Compatibility

Corning ClearCurve ZBL Optical Fiber delivers the best macrobending performance in the industry whilemaintaining compatibility with current optical fibers, equipment, practices and procedures.

This full-spectrµmsingle-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, whileremaining 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 challenginginstallations and environments, and cable designers can offer optical cables with unmatched ruggedness foreasier 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 ñ 0.4

1550 9.65 ñ 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

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