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Product
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Tight-buffered Fiber

Features

---  Good mechanical and environmental characteristics;

---  The strippability characteristics of buffer meet the relevant standards or customer requirements;

---  Meet various requirements of market and clients.

 


Applications

---  Tight-buffered fiber is the basic element of various indoor cables. Because of different buffer materials, the relevant indoor cables made out of tight-buffered fibers can meet different mechianical and environmental requirements, for example, large tensile (crush), high or low temperature, frequent bends, low smoke, no corrosive, environmental, field use, distribution cabinet (frame) and other generic use, etc;

---  Tight-buffered fibers with various buffer material can also be used in pigtails, optical connections of various optical active and passive devices, instruments and terminal units.

 

 

 

 

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Performance

 

Items

Unit

G.652AB (B1.1)

G.652CD (B1.3)

G.652.A

G.652.B

G.652.C

G.652.D

Mode Field Diameter(1310nm)

μm

8.69.5±0.6

Cladding Diameter

μm

125.0±1.0

Core-Cladding Concentricity Error

μm

≤0.6

Cladding Non-Circularity

%

≤1.0

Coating Diameter(un-colored)

μm

245±10

Coating Diameter(colored)

μm

250±15

Cladding-Coating Concentricity Error

μm

≤12.5

Cut-off Wavelength λCC

nm

≤1260

Bend Loss
R= 30mm
100turns

dB

1550nm≤0.1

1625nm≤0.1

1625nm≤0.1

1625nm≤0.1

Attenuation Coefficient

1310nm

dB/km

≤0.35(ⅠGrade) / ≤0.38(ⅡGrade)

1550nm

≤0.21(ⅠGrade) / ≤0.24(ⅡGrade)

1625nm

≤0.24(ⅠGrade) / ≤0.28(ⅡGrade)

Note:All the values in the table, which are for reference only, are subject to change without notice.

 
 

Items

Unit

A1a

A1b

A1a.1

A1a.2

Core Diameter

μm

50.0±2.5

62.5±2.5

Cladding Diameter

μm

125.0±2.0

Core Non-Circularity

%

≤6.0

Cladding Non-Circularity

%

≤2.0

Core-Cladding Concentricity Error

μm

≤0.5

Coating Diameter

(un-colored)

μm

245±10

(colored)

μm

250±15

Cladding-Coating Concentricity Error

μm

≤12.5

Numeral ApertureNA

0.20±0 .015

0.275±0 .015

Attenuation

Coefficient

850nm

dB/km

2.4

2.5

2.8

3.0

 

3.5

3.5

 

 

1300nm

dB/km

0.7

0.8

0.7

1.0

 

1.0

1.5

 

1.5

Modal Bandwidth

850nm

MHz·km

200

1500

100

500

2000

(Effective Mode)

200

800

 

500

 

 

800

1300nm

MHz·km

200

500

200

500

 

500

800

 

800

1000

 

1000

1200

 

 

Note: All the values in the table, which are for reference only, are subject to change without notice.

 

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