
PM Erbium Doped Fiber
- DHB1500 matched to IsoGain™ I-12(980/125)
- DHB1500-LA designed with lower absorption for higher efficiencies
- Polarization extinction levels of up to -30dB over typical gain lengths of 8 - 14 meters
- Designed for 980nm pumping
Typical Applications:
- EDFAs
- Coherent communications
- Amplified Spontaneous Emission (ASE) light source
- Fiber lasers
Comparison
| DHB1500 | DHB1500-LA |
---|---|---|
Cut-Off Wavelength (nm) | 860–960 | 860–960 |
Numerical Aperture | 0.22–0.26 | 0.22–0.24 |
Mode Field Diameter (μm) | 5.1–6.7 @1550nm | 5.5–6.7 @1550nm |
Absorption (dB/m) | 12–27 @1531nm | 3.0–5.5 @1531nm |
Beat-Length (mm) @633 | ≤4.0 | ≤4.0 |
Proof Test (%) | 1 (100 kpsi) | 1 (100 kpsi) |
Attenuation (dB/km) | ≤20 @1200nm | ≤15 @1200nm |
Cladding Diameter (μm) | 125 ± 1 | 125 ± 1 |
Core Cladding Concentricity (μm) | ≤1.0 | ≤1.0 |
Coating Diameter (μm) | 245 ± 7 | 245 ± 7 |
Coating Type | Dual Layer Acrylate | Dual Layer Acrylate |
Operating Temperature (ºC) | -55 to +85 | -55 to +85 |
LA – Low absorption |
Specifications
Product Variants Explained
DHB1500 | PM erbium doped fiber for PM EDFAs. |
DHB1500-LA | PM erbium doped fiber for PM EDFAs. |
Product Specifications
Cut-Off Wavelength (nm) | 860 - 960 |
---|---|
Numerical Aperture | 0.22 - 0.26 |
Mode Field Diameter (μm) | 5.1 - 6.7 @1550nm |
Attenuation (dB/km) | ≤20 @1200nm |
Proof Test (%) | 1 (100 kpsi) |
Cladding Diameter (μm) | 125 + 1 |
Core Cladding Concentricity (μm) | ≤1.0 |
Coating Diameter (μm) | 245 + 7 |
Coating Type | Dual Layer Acrylate |
Operating Temperature (°C) | -55 to +85 |
Absorption (dB/m) | 12 - 27 @1531nm |
Beat-Length (mm) @633 | ≤4.0 |
Resources
Technical Bulletins File pm_erbium_doped_fiber_md15.6.pdf