TrueWave High Dispersion (HD) Optical Fiber is the latest in a long history of ocean fiber firsts for Lightera. It is an ocean fiber specifically designed for maximum performance in undersea networks utilizing the modulation format of return-to-zero differential phase-shift keying (RZ-DPSK).
Since RZ-DPSK allows for larger values of accumulated dispersion without deleterious non-linear effects, we have designed TrueWave HD Fiber with a large negative dispersion value of -14 ps/nm-km. Combining this dispersion with the large positive dispersion and large effective area of a NDSF (e.g. AllWave Ocean or UltraWave SLA Ocean Fibers) in a single span results in improved non-linearity performance and lower span loss.
TrueWave High Dispersion (HD) Optical Fiber is the latest in a long history of ocean fiber firsts for Lightera. It is an ocean fiber specifically designed for maximum performance in undersea networks utilizing the modulation format of return-to-zero differential phase-shift keying (RZ-DPSK).
Since RZ-DPSK allows for larger values of accumulated dispersion without deleterious non-linear effects, we have designed TrueWave HD Fiber with a large negative dispersion value of -14 ps/nm-km. Combining this dispersion with the large positive dispersion and large effective area of a NDSF (e.g. AllWave Ocean or UltraWave SLA Ocean Fibers) in a single span results in improved non-linearity performance and lower span loss.
TrueWave High Dispersion (HD) Optical Fiber is the latest in a long history of ocean fiber firsts for Lightera. It is an ocean fiber specifically designed for maximum performance in undersea networks utilizing the modulation format of return-to-zero differential phase-shift keying (RZ-DPSK).
Since RZ-DPSK allows for larger values of accumulated dispersion without deleterious non-linear effects, we have designed TrueWave HD Fiber with a large negative dispersion value of -14 ps/nm-km. Combining this dispersion with the large positive dispersion and large effective area of a NDSF (e.g. AllWave Ocean or UltraWave SLA Ocean Fibers) in a single span results in improved non-linearity performance and lower span loss.
Lightera has the capability to color and splice ocean fibers to meet stringent cable requirements. Fibers are selected to meet customer specifications for numbers of fibers, colors, lengths, and transmission properties. They are then assembled into sets. Final measurements guarantee customer specified performance for all fibers in the set.
| Product Specifications | |||
|---|---|---|---|
| Product Description | TrueWave Ocean Optical Fibers |
||
| Transmission Characteristics | |||
| Attenuation @ 1550 nm (nominal) | 0.20 dB/km | ||
| Attenuation @ 1550 nm (max) | < 0.215 dB/km | ||
| Dispersion Slope @1550 nm (nominal) | < 0.045 ps/nm²-km | ||
| Dispersion @ 1550 nm (nominal) | – 14 ps/nm-km | ||
| Mode Field Diameter @ 1550 ¹ | 7.6 ± 0.6 µm | ||
| Effective Area (nominal) | 44 µm² | ||
| Cable Cutoff Wavelength ² | < 1530 nm | ||
| PMD @ 1550 nm (nominal) ³ | < 0.025 ps/√km | ||
| Effective Group Index of Refraction | 1.471 @ 1550 nm | ||
| Point Discontinuties @ 1550 nm | 0.05 db max | ||
| Note | ¹ Lower mode field diameters are available to accommodate specific cable design requirements ² AW Flex Ocean Fiber can be supplied with cut-off < 1530 to meet G654C requirements ³ Low Mode Coupling (LMC) measurements |
||
| Geometrical Characteristics | |||
| Clad Diameter | 125 ± 0.7 µm | ||
| Core/Clad Concentricity Error (max) | 0.5 µm | ||
| Clad Non-circularity (max) | 1.0 % | ||
| Coating Diameter, uncolored | 235 to 250 µm | ||
| Coating/Clad Concentricity Error (nominal) | 3 µm | ||
| Coating/Clad Concentricity Error (max) | 12 µm | ||
| Coating Diameter, colored | 254 ± 8 µm | ||
| Mechanical and Other | |||
| Tensile Proof Test (min) | 200 kpsi (1.4 GPa) | ||
| Dynamic Fatigue Parameter (nd) | > 20 | ||
| Static Fatigue Parameter (na) | > 20 | ||
| Coating Type | D-Lux Series Coatings | ||
| Coating Strip Force (Mechanical) | 1.3 N (0.3 lb-ft) min 8.9 N (2.0 lb-ft) max |
||
| Coating Adhesion | 6.2 N (1.4 lb-ft) min 13 N (3.0 lb-ft) max |
||
| Colors | Customer specified | ||
| Matching Sets | Customer may order sets (groups) of fiber with matching length and mix | ||
For additional information please contact your sales representative. You can also visit our website at www.lightera.com or call 1-888-FIBERHELP (1-888-342-3743) USA or 1-770-798-555 outside the USA. For a full list of our certifications, visit our website.
Lightera reserves the right to make changes to the product(s) described in this document at any time without notice. This document is for informational purposes only and is not intended to modify or supplement any Lightera warranties or specifications relating to any of its products or services.
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