Welcome To Twentsche (Nanjing) Fibre Optics Ltd. (for short: TFO)！
Based on the optimum coated layer design, TFO MiniTM LightBend Plus optical fibre keeps the cladding
diameter unchanged but with coated diameter dramatical reduction. This product still retains the same
and outstanding properties as ITU-T G.657.A2 and IEC 60793-2-50 type B6.a2 fibre with traditional coated
diameter 245μm. And with zero water peak, low attenuation and excellent uniformity, low chromatic dispersion
and PMD, excellent macrobending loss at minimum radius 7.5mm, superior and stable geometrical size control
level, this full spectrum fibre is applicable to transmission system operating over the entire wavelength from
1260nm to 1625nm.
TFO MiniTM LightBend Plus optical fibre supports higher density and smaller diameter cables which can
improve duct utilization and save resource, widely used in the applications of FTTH, high count fibre cable,
microcables. etc.
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TFO MiniTM (G.657.A2 200µm) |
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Characteristics |
Conditions |
Parameters |
Unit |
|
Optical properties |
|||
|
Attenuation Coefficient |
1310 nm |
≤ 0.34 |
dB/km |
|
1285-1330 nm |
≤ 0.37 |
dB/km |
|
|
1383 nm（after hydrogen aging） |
≤ 0.31 |
dB/km |
|
|
1490 nm |
≤ 0.23 |
dB/km |
|
|
1550 nm |
≤ 0.20 |
dB/km |
|
|
1525 - 1575 nm |
≤ 0.21 |
dB/km |
|
|
1625 nm |
≤ 0.22 |
dB/km |
|
|
Mode Field Diameter(MFD) |
1310 nm |
8.7 ± 0.4 |
µm |
|
1550 nm |
9.9 ± 0.5 |
µm |
|
|
Cut-Off Wavelength |
|
|
|
|
Cable Cut-Off |
|
≤ 1260 |
nm |
|
Chromatic Dispersion |
|
|
|
|
Zero Dispersion Wavelength |
|
1300 - 1324 |
nm |
|
Zero Dispersion Slope |
|
≤ 0.090 |
ps/nm2/km |
|
Dispersion Coefficient |
1285 - 1339 nm |
≤ |3.4| |
ps/nm/km |
|
1550 nm |
≤ 18.0 |
ps/nm/km |
|
|
1625 nm |
≤ 22.0 |
ps/nm/km |
|
|
Polarisation Mode Dispersion |
|
|
|
|
PMD Coefficient |
Uncabled fibre |
≤ 0.10 |
ps/√km |
|
PMD link design value |
≤ 0.06 |
ps/√km |
|
|
Point Discontinuity |
1310 nm |
≤ 0.05 |
dB |
|
1550 nm |
≤ 0.05 |
dB |
|
|
Effective Group Refractive Index |
1310 nm |
1.4676 |
|
|
1550 nm |
1.4683 |
|
|
|
1625 nm |
1.4685 |
|
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|
Geometrical Properties |
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|
Core Non-circularity |
|
≤ 6 |
% |
|
Cladding Diameter |
|
125.0 ± 0.5 |
µm |
|
Core/Cladding Concentricity Error |
|
≤ 0.5 |
µm |
|
Cladding Non-Circularity |
|
≤ 0.7 |
% |
|
Coating Diameter |
|
190 ± 5 |
µm |
|
Coating/Cladding Concentricity Error |
|
≤ 8 |
µm |
|
Mechanical properties |
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|
Proof Test |
Fibre strain |
≥ 1 |
% |
|
Fibre load |
≥ 9 |
N |
|
|
Stress |
≥ 100 |
kpsi |
|
|
Dynamic Stress Corrosion Susceptibility Factor nd |
Unaged |
≥ 20 |
|
|
Aged（30 days @ 85℃, 85% R.H.） |
≥ 20 |
|
|
|
Macro Bending Sensitivity |
10 turns of 15 mm radius, 1550nm |
≤ 0.03 |
dB |
|
10 turns of 15 mm radius, 1625 nm |
≤ 0.1 |
dB |
|
|
1 turns of 10 mm radius, 1550 nm |
≤ 0.1 |
dB |
|
|
1 turns of 10 mm radius, 1625 nm |
≤ 0.2 |
dB |
|
|
1 turns of 7.5 mm radius, 1550 nm |
≤ 0.5 |
dB |
|
|
1 turns of 7.5 mm radius, 1625 nm |
≤ 1.0 |
dB |
|
|
Coating Strip Force |
Peak value |
1.3 - 8.9 |
N |
|
Fibre Curl |
|
≥ 4 |
m |
|
Environmental Properties |
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|
Accelerated Ageing（30days @ 85℃ 85% R.H.） |
Induced attenuation（1310 and 1550 nm） |
≤ 0.05 |
dB/km |
|
Dry heat aging（30days @ 85℃） |
Induced attenuation（1310 and 1550 nm） |
≤ 0.05 |
dB/km |
|
Temperature Cycling （-60℃- +85℃） |
Induced attenuation（1310 and 1550 nm） |
≤ 0.05 |
dB/km |
|
Water Soak（30 days @ 23℃） |
Induced attenuation（1310 and 1550 nm） |
≤ 0.05 |
dB/km |
