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G.654.E Ultra Low Loss and Large Effective Area Single-mode Fiber

G.654.E Ultra Low Loss and Large Effective Area Single-mode Fiber

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Part Number: FTOFSM-G654E-X

G.654.E FarBand® Ultra Low Loss and Large Effective Area Single-mode Fiber 50.4km Length in Spool

For the next generation optical transmission network, lower attenuation or larger effective area of the fiber can help the system meet 3U (Ultra high speed, Ultra large capacity, Ultra long-haul) features. Now YOFC can deliver you larger effective area and lower attenuation within one fiber: FarBand® Ultra.

Product standards

FarBand® Ultra fiber complies with or exceeds the ITU-T G.654.B/E recommendation and IEC 60793-2-50 B1.2 specification.

Product advantage

● Larger effective area reduces nonlinear effect and enables higher signal power launched into the transmission system.

● Enable higher transmission speeds with more wavelengths over ultra long-haul distances.

● Lower attenuation level which meets the demand of extended long distance transmission

● Reduce number of repeaters and minimize CAPEX and OPEX.

● Lower bending induced loss to meet complicated deployment conditions and cable structures.

How to calculate the contribution of larger effective area and lower attenuation?

Based on the formula of OSNR, lower attenuation and larger effective area will increase OSNR of optical transmission system. And FOM (Figure of Merit) is established to calculate the contribution of effective area and attenuation. As shown in the table, YOFC ultra low loss and large effective area fiber can provide greater performance improvement than ultra low loss fiber below, or low loss and large effective fiber.

Fiber Type Att. Aeff. FOM
SSMF(Ref.) 0.2 80 /
LL 0.18 80 1.6
ULL 0.17 80 2.3
ULL 0.15 80 3.8
LL-LAF 0.18 130 4.9
ULL-LAF 0.16 110 5.8
ULL-LAF 0.16 130 6.4


Specification

Characteristics Conditions Specified values Units
Optical Specifications
Nominal Effective Area 1550nm 110 125 [μm2]
Mode Field Diameter 1550nm 11.4-12.2 12.0-13.0 [μm]
Attenuation 1550nm ≤0.17 [dB/km]
1625nm ≤0.20 [dB/km]
Attenuation vs. Wavelength

Max. α difference		 1525-1575nm, in reference to 1550nm ≤0.02 [dB/km]
1550-1625nm, in reference to 1550nm ≤0.03 [dB/km]
Dispersion Coefficient 1550nm ≤23 [ps/nm·km]
1625nm ≤27 [ps/nm·km]
Dispersion Slope 1550nm 0.050-0.070 [ps/nm2·km]
PMD Maximum Individual fiber -- ≤0.1 [ps/√km]
Link Design Value（M=20，Q=0.01%) -- ≤0.06 [ps/√km]
Typical Value -- 0.04 [ps/√km]
Cable Cutoff Wavelength (λCC) -- ≤ 1520 [nm]
Effective Group Index of Refraction 1550nm 1.463 1.465 --
Point Discontinuities 1550nm ≤0.05 [dB]
Geometrical Specifications
Cladding Diameter -- 125.0±1.0 [μm]
Cladding Non-Circularity -- ≤1.0 [%]
Coating Diameter -- 235-255 [μm]
Coating-Cladding Concentricity -- ≤12 [μm]
Coating Non-Circularity -- ≤6 [%]
Core-Cladding Concentricity -- ≤0.6 [μm]
fiber Curl(Radius) -- ≥4 [m]
Delivery Length1 -- Up to 25.2 [km/reel]
Environmental Specifications @1550nm & 1625nm
Temperature Dependence -60℃ to +85℃ ≤0.05 [dB/km]
Temperature-Humidity Cycling -10°C to +85°C, 98% RH ≤0.05 [dB/km]
Water Immersion 23°C，for 30 days ≤0.05 [dB/km]
Damp Heat 85°C , 85% RH，for 30 days ≤0.05 [dB/km]
Heat Aging 85℃，30 days ≤0.05 [dB/km]
Mechanical Specifications
Proof Test2 -- ≥9.0 [N]
-- ≥1.0 [%]
-- ≥100 [kpsi]
Macro-bend Induced Loss 100 Turns Around a Mandrel of 30 mm Radius 1550nm ≤0.10 [dB]
1625nm ≤0.10 [dB]
Coating Strip Force typical average force 1.5 [N]
peak force 1.3-8.9 [N]
Dynamic Fatigue Parameter(nd) -- ≥20 --

Remark： 1. Other delivery lengths are available. 2. Higher proof test level is available.


This product belongs to F-tone Networks' optical components product line. For detailed specifications, please contact our sales team. Thank you!
Important Notice:
Performance figures, data and any illustrative material provided in this data sheet are typical and must be specifically confirmed in writing by F-tone Networks before they become applicable to any particular order or contract. In accordance with the F-tone Networks policy of continuous improvement specifications may change without notice.
The publication of information in this data sheet does not imply freedom from patent or other protective rights of F-tone Networks or others. Further details are available from any F-tone Networks sales representative.

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Power and Wavelength Testing

Test the signal delivering strength and wavelength, to ensure the signal decoding capacity of the receiver, and the wavelength remains consistent from the transmitter to the receiver.

Power and Wavelength Testing

Traffic Testing

Test the bit error rate and packet loss rate, to make them meet the corresponding standards and ensure the performance of transceivers.

Traffic Testing

Optical Performance Testing

Test the transceivers' eye diagram situation, receiving sensitivity, extinction ratio, wavelength, light-emitting, light-receiving, current and voltage, to ensure the signal quality, stability and reliability of the transmission.

Optical Performance Testing

End Face Testing

Check the end face of the transceivers and keep them clean for more stable data transmission, better performance, and durability.

End Face Testing

Various Switch Tests

Every module is quality tested for compatibility in the multi-brand switches environment, guaranteeing flawless operations.

Various Switch Tests

About F-tone Networks

F-tone Networks is now a world leader in development of optical transceivers and provide a wide range of high-speed optical solutions for optical communication networking, especially for AI, Data Center, enterprise data networking, Industry, aerospace, mining, shipbuilding, railway, metro, long haul transport networking, and mobile access networking applications
F-tone Networks invested in foundational photonics technologies and extensive product development and engineering with global presence in many area also.

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