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Doped Fibers

 

PM Erbium Doped Fiber

  • Overview
  • Specification
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PM Erbium Doped Fiber image
  • 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 Variants

DHB1500

PM erbium doped fiber for PM EDFAs

DHB1500-LA

PM erbium doped fiber for PM EDFAs.

Product Variants

DHB1500

PM erbium doped fiber for PM EDFAs

 

DHB1500

Cut-Off Wavelength (nm)

860 - 960

Numerical Aperture

0.22 - 0.26

Mode Field Diameter (µm)

5.1 - 6.7 @1550nm

Absorption (dB/m)

10 (nominal) @980nm

12 - 27 @1531nm

Beat-Length (mm) @633nm

≤4.0

Proof Test (%)

1 (100 kpsi)

Attenuation (dB/km)

≤20 @1200nm

Cladding Diameter (µm)

125 + 1

Core Cladding Concentricity (µm)

≤1.0

Coating Diameter (µm)

245 + 7

Coating Type

Dual Layer Acrylate

Operating Temperature (oC)

-55 to +85

 

DHB1500-LA

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