保偏掺铒光纤
PMErbium Doped Fiber
DHB1500 matched to IsoGainI-12(980/125)
DHB1500-LA designed with lower absorption for higher efficiencies
Polarization extinction levels of up to -30dB over typic..
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
Product list：
- DHB1500 PM erbium doped fiber for PM EDFAs.
- DHB1500-LA PM erbium doped fiber for PM EDFAs.
|
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
|
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