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Erbium Doped Fiber(EDF)
Category: Special fiber  Publish Time: 2014-06-14 22:03 

Erbium Doped Fiber(EDF)
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 Part NO. : DWDMFBG series
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Erbium Doped FiberEDF

Model No: EDF Series
Applications
· WDM amplifier
· CATV amplifier
· 980nm & 1480nm pump.
· Land & underwater communication
· National defense, military project and spaceflight field
· adjustable as option.
Key Features and Advantages
· Excellent Fiber uniformity
· High power transforms efficacy and low noise design
· Fiber geometric performance leading industry
· DLPC9 double coating can insure excellent mechanical features of fiber
· Low PMD 
· Good performance of protect hydrogen injures
Products Series

Product number

Type of fiber

Absorb Peak Value 1532nm (max.1530nm-1534nm)

Application

Range

Type

EDF1003

EDF3/6/125-23

(2-4)dB/m

3 dB/m

C wave band

EDF1007

EDF7/6/125-23

(4-9)dB/m

7dB/m

C wave band

EDF1013

EDF13/6/125-23

(10-15)dB/m

13dB/m

C &L wave band

EDF1022

EDF22/6/125-23

(19-25)dB/m

22dB/m

C &L wave band

Specifications

Product Number

EDF1003

EDF1007

EDF1013

EDF1022

Fiber Type

EDF3/6/125-23

EDF3/7/125-23

EDF13/6/125-23

ED22/6/125-23

Optical Specifications

Absorb Peak Value 1532nm (max.1530nm-1535nm)range

2-4 dB/m

4-9 dB/m

10-15 dB/m

19-25 dB/m

Absorb peak value 1532nm (max.1530nm-1535nm)type

3dB/m

7dB/m

13dB/m

22dB/m

Absorb Peak Value Change with250mlength

≤1.5%

≤1.5%

≤1.5%

≤1.5%

Max Background Loss (Min.1100-1300nm)

≤10dB/km

≤10dB/km

≤10dB/km

≤10dB/km

Type Background Loss (Min.1100-1300nm

≤6dB/km

≤6dB/km

≤6dB/km

≤6dB/km

Bending sensitivity (100m,15mmbending radius, λ1620nm

0.1dB

≤0.1dB

≤0.1dB

≤0.1Db

Cut-off  Wavelength

≤980nm

≤1300nm

≤1300nm

≤1300nm

Mode Field Diameter (MFD)

5.4±0.7μm

5.4±0.7μm

5.4±0.7μm

5.4±0.7μm

Numerical Aperture ( NA )

0.23±0.02

0.23±0.02

0.23±0.02

0.23±0.02

Fusion Attenuation (with G.652 at 1300&1700 )

0.15dB

≤0.15dB

≤0.15dB

≤0.15dB

Polarization Mode Dispersion ( PMD )

0.25ps

≤0.25ps

≤0.25ps

≤0.25ps

Geometrical Specifications

Cladding Diameter

125±1μm

125±1μm

125±1μm

125±1μm

Coating Diameter

250±7μm

250±7μm

250±7μm

250±7μm

Core/Cladding Concentricity

≤0.6μm

≤0.6μm

≤0.6μm

≤0.6μm

Cladding / Coating Concentricity

≤12.5μm

≤12.5μm

≤12.5μm

≤12.5μm

Mechanical Specifications

Fiber Intensity

1.5%
( 150kpsi )

1.5% 
( 150kpsi )

1.5% 
( 150kpsi )

1.5% 
( 150kpsi )

Commercial Length

250, 500,1000m

250, 500,1000m

250, 500,1000m

250, 500,1000m

Environmental Specifications

Store temperature

-40 to +75

-40 to +75

-40 to +75

-40 to +75

Operating temperature

-5 to +75

-5 to +75

-5 to +75

-5 to +75

Store Humidity

5% to 95%

5% to 95%

5% to 95%

5% to 95%

Operating Humidity

5% to 95%

5% to 95%

5% to 95%

5% to 95%

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