编号No.

项目Items

单位Unit

参数 Specification

G.657A1

1

模场宣径

Mode   Field Diameter

@1310nm

ym

8.6±0.4

@1550nm

ym

9.6±0.5

2

包层直径Cladding   Diameter

ym

125.0±0.7

3

包层不圈度Cladding Non-Grcularity

%

<1.0

4

芯/包层同心度误差Core-Cbdding   Concentricity Error

ym

<0.5

5

涂覆层直径Coating Diameter

ym

245±5

6

涂覆层不圆度Coating Non-Circubrity

%

<6.0

7

包层/涂覆层同心度误差Ciadding-Coating   Concentricity Error

ym

<12.0

8

光纤翘曲半径Fiber Curl Radius

m

>4

9

光缆截止波长Cable Cutoff Wavelength

nm

Acc<1260

10

色散系数Dispersion   Value

@1550nm

ps/   (nm*km)

<18

@1288-1339nm

ps/   (nm*km)

<3.5

@1271~1360nm

ps/   (nm*km)

<5.3

11

零色散波长Zero Dispersion Wavelength

nm

1300<A0<1324

12

零色散斜率Zero Dispersion Slope

ps/  (nm2，km)

<0.092

13

偏振楼色敢

Polarization Mode Dispersion

单根光纤最大值   PMD Link Design Value

ps/√km

0.2

光纤链路最大值   Maximum Individual Fiber PMD

ps/√km

0.08

14

宏弯附加衰减   Macro-Bending Loss

10turnxl5mm   radius @1550nm

dB

<0.25

10turnxl5mm   radius @1625nm

dB

<1.0

lturnxlOmm   radius @1550nm

dB

<0.75

lturnxlOmm   radius @1625nm

dB

<1.5

15

衰减系数 Attenuation (max.)

@1310nm

dB/km

<0.4

@1550nm

dB/km

<0.3