保偏掺铒光纤
保偏掺铒光纤
保偏掺铒光纤
- 产品详情
- 产品参数
PM Erbium Doped Fiber
· DHB1500 matched to IsoGain™ I-12(980/125)
· DHB1500-LA designed with lower absorption for higherefficiencies
· Polarization extinction levels of up to -30dB overtypical gain lengths of 8 - 14 meters
· Designed for 980nm pumping
TypicalApplications:
· EDFAs
· Coherent communications
· Amplified Spontaneous Emission (ASE) light source
· Fiber lasers
Product list：
DHB1500 PM erbium doped fiber for PMEDFAs.
DHB1500-LA PM erbium doped fiber for PMEDFAs.
Model | 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 |
Beat-Length (mm) @633 | ≤4.0 | ≤4.0 |
Attenuation (dB/km) | ≤20 @1200nm | ≤15 @1200nm |
Proof Test (%) | 1 (100 kpsi) | 1 (100 kpsi) |
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 (°C) | -55 to +85 | -55 to +85 |
Absorption (dB/m) | 12 - 27 @1531nm | 3.0 - 5.5 @1531nm |
