erbium doped fiber

Erbium-doped Fiber China Double Clad Fiber for Erbium-doped Fiber Amplifiers

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This series of erbium-doped fiber china double clad fiber can meet the most demanding optical amplifier design requirements. The amplification range covers the C-band and L-band. Using 1480nm or 980nm pumping technology, erbium-doped fibers can achieve an amplification bandwidth of 35nm. And keep the gain flat within the bandwidth, and obtain ideal power conversion efficiency. Erbium-doped fiber china double clad fiber are designed for fiber amplifiers with high performance and low noise indicators. For example: optical preamplifiers, optical power amplifiers and online amplifiers in WDM communication systems. China double clad fiber erbium-doped fiber products use erbium-aluminum co-doping design to ensure high-quality performance.

Product Application

  • The products are widely used in the field of communication;
  • DWDM amplifier;
  • Erbium-doped fiber is suitable for CATV amplifier;
  • 980nm or 1480nm pumping;
  • Land or underwater communication;
  • Aerospace field;

Product Features

  • Excellent fiber uniformity;
  • High power conversion efficiency and low noise design;
  • Industry-leading fiber geometry performance;
  • Erbium-doped fiber china double clad fiber has low PMD characteristics;
  • DLPC9 double-layer coating ensures excellent fiber mechanical properties;
  • Good anti-hydrogen loss characteristics;
  • Low splicing loss characteristics;

Specifications of China Double Clad Fiber

Fiber type EDF3/6/125-23 EDF7/6/125-23 EDF13/6/125-23 EDF22/6/125-23 EDF36/6/125-23
Product number ED1011-A ED1012-A ED1013-A ED1015-A ED1016-A
Application band C-band C-band C & L band C & L band C & L band
Optical properties
Absorption peak 1529 nm (Max. [1528-1532 nm])

Range (dB/m) * ①

 3.0 ~ 4.0 6.0 ~ 9.0 10.0 ~ 15.0 20.0 ~ 24.0 33.0 ~ 39.0
Absorption peak 1529 nm (Max. [1528-1532 nm])

Typical value (dB/m) * ①

 3.5 7.0 13.0 20.0 36.0
Absorption peak fluctuation of 250m fiber length (%) ≤2.5 ≤2.5 ≤3.0 ≤3.0 ≤3.0
Background loss (Min. [1100-1300nm]) dB/km ≤10 ≤10 ≤10 ≤10 ≤10
Bend sensitivity (dB) (2m, bend diameter 15 mm, 1 turn, λ < 1625 nm) (dB) ≤0.1 ≤0.1 ≤0.1 ≤0.1 ≤0.1
Cut-off wavelength (nm) * ② ≤980 ≤1300 ≤1300 ≤1300 ≤1300
Mode field diameter 1550 nm (μm) * ③ 5.4 ~ 6.0 4.7 ~ 6.1 5.2 ~ 6.0 5.1 ~ 5.9 5.1 ~ 5.9
Numerical aperture 0.21 ~ 0.25 0.21 ~ 0.25 0.21 ~ 0.25 0.21 ~ 0.25 0.21 ~ 0.25
Splice loss (vs. G.652 fiber at 1300nm and 1700nm) (dB) ≤0.2 ≤0.2 ≤0.2 ≤0.2 ≤0.2
Polarization mode dispersion coefficient (FS/m) ≤15 ≤15 ≤15 ≤15 ≤15
Geometrical properties
Cladding diameter (μm) 125.0±2.0 125.0±2.0 125.0±2.0 125.0±2.0 125.0±2.0
Coating diameter (μm) 250.0±15.0 250.0±15.0 250.0±15.0 250.0±15.0 250.0±15.0
Core/pack concentricity (μm) ≤0.6 ≤0.6 ≤0.6 ≤0.6 ≤0.6
Envelope/coating concentric (μm) ≤12.5 ≤12.5 ≤12.5 ≤12.5 ≤12.5
Mechanical properties
Fiber Strength (kpsi) 150 150 150 150 150
Commercial Section Length (± 5 m) (m) 250, 500, 1000 250, 500, 1000 250, 500, 1000 250, 500, 1000 250, 500, 1000
Environmental performance
Storage temperature (℃) -40 ~ +85 -40 ~ +85 -40 ~ +85 -40 ~ +85 -40 ~ +85
Operating temperature (℃) -5~ +75 -5~ +75 -5~ +75 -5~ +75 -5~ +75
Storage humidity (non-condensing) (%) 5 ~ 95 5 ~ 95 5 ~ 95 5 ~ 95 5 ~ 95
Operating humidity (non-condensing) (%) 5 ~ 95 5 ~ 95 5 ~ 95 5 ~ 95 5 ~ 95

① Other wavelength absorption peaks can be provided according to requirements ② Optical fiber with cutoff wavelength less than 980nm is optional ③ ED1012-A larger mode field optical fiber is optional

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