Telecoms PM Fiber - Ultra-Short Beat-Length
For EDFA pumps, Raman pump Lyot depolarizers, and telecommunications applications
- Ultra-short beat-length variants for superior polarization performance
- Splice compatible with both standard SM fibers and other PM fibers
- Available in both 245μm and 400μm coating diameters
- Tested in accordance with Telecordia GR-20-CORE
- Excellent geometry for splicing
Typical Applications:
- Pump diode pigtails
- Erbium Doped Fiber Amplifier (EDFA)
- Cable Television (CATV)
- Interferometric sensors
- Lyot depolarizers
Comparison
| | HB980T(6.6/125) | HB1250T(9/125) | HB14XXT |
|---|---|---|---|
| Operating Wavelength (nm) | 980-1310 | 1260-1650 | 1300-1650 |
| Cut-Off Wavelength (nm) | 870-970 | 1100-1250 | 1100-1290 |
| Numerical Aperture | 0.11-0.13 | 0.11-0.13 | 0.11-0.13 |
| Mode Field Diameter (μm) | 6.1-7.1 @980nm | 8.1-9.9 @1310nm | 9.5-11.5 @1465nm |
| Attenuation (dB/km) | ≤2 @980nm | ≤2 @1310nm | ≤2 @1480nm |
| Beat-Length (mm) @633nm | ≤1.2 | ≤1.2 | ≤1.2 |
| Proof Test (%) | 1 or 2 (100 or 200 kpsi) | 1 or 2 (100 or 200 kpsi) | 1 or 2 (100 or 200 kpsi) |
| Cladding Diameter (μm) | 125 ± 1 | 125 ± 1 | 125 ± 1 |
| Core Cladding Concentricity (μm) | ≤0.4 | ≤0.4 | ≤0.6 |
| Coating Diameter (μm) | 245 ± 7 | 245 ± 7 | 245 ± 7 |
| Coating Type | Dual Layer Acrylate | Dual Layer Acrylate | Dual Layer Acrylate |
| Operating Temperature (ºC) | -55 to +85 | -55 to +85 | -55 to +85 |
Specifications
Product Variants Explained
| HB980T(6.6/125) | Short beat-length PM fiber for 980nm telecoms applications |
| HB1250T(9/125) | Short beat-length PM fiber for 1310nm telecoms applications |
| HB14XXT | Short beat-length 14XXnm fiber for Raman depolarizers |
Product Specifications
| Operating Wavelength (nm) | 980 - 1310 |
|---|---|
| Cut-Off Wavelength (nm) | 870 - 970 |
| Numerical Aperture | 0.11 - 0.13 |
| Mode Field Diameter (μm) | 6.1 - 7.1 @980nm |
| Attenuation (dB/km) | ≤2 @980nm |
| Beat-Length (mm) @633 | ≤1.2 |
| Proof Test (%) | 1 or 2 (100 or 200 kpsi) |
| Cladding Diameter (μm) | 125 ± 1 |
| Core Cladding Concentricity (μm) | ≤0.4 |
| Coating Diameter (μm) | 245 ± 7 |
| Coating Type | Dual Layer Acrylate |
| Operating Temperature (°C) | -55 to +85 |
Resources
Technical Bulletins File telecoms_pm_fiber_md07.7.pdf