200um G657A2 Bare Optical Fiber Spool For Long Range Fpv Drone Communication

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Cladding diameter

μm

125±0.7

Cladding non-circularity

%

≤0.8

Core/Cladding concentricity error

μm

≤0.5

Primary coating diameter

μm

155±5

Second coating diameter

μm

200±10

Excentric core

%

≥70

Cladding / coating concentricity error

μm

≤10.0

Cut-off wavelengths λc

μm

1.18~1.33

Attenuation coefficient

1310nm

dB/km

≤0.35

1383nm

dB/km

≤0.33

1550nm

dB/km

≤0.21

1625nm

dB/km

≤0.24

Macro bending loss

Bending radius

mm

15

Circle number

Mm

10

1550nm,max.

dB

0.03

1625nm,max.

dB

0.1

Attenuation wavelength characteristics

1285nm～1330nm

dB/km

≤0.03

1525nm～1575nm

dB/km

≤0.02

Attenuation point discontinuity

1310nm

1383nm

1550nm

1625nm

dB

≤0.015

≤0.03

≤0.03

≤0.03

Dispersion coefficient, 1288nm~1339nm

ps/nm.k

|D|≤5.3

Dispersion coefficient, 1271nm~1360nm

ps/nm.k

|D|≤3.4

Dispersion,1550nm

ps/nm.k

≤17.5

Zero dispersion wavelength

nm

1300~1322

Zero dispersion slope

ps/nm².k

≤0.091

PMD(Fiber link value-uncabled)

ps/km^1/2

≤0.2

Proof test

GPa

≥0.79

Bending radius

m

≥5.0

Torsion

Turns

≤0.5

Dynamic fatigue parameters

n_d

≥20

Coating peel force

N

Optical fiber environment performance

Temperature cycling test : from -60℃ to 85℃

dB/km

≤0.03

Watersoak test: at 23℃, for 30 days

dB/km

≤0.03

Damp heat test: at 85℃ and 85% RH, for 30 days

dB/km

≤0.03

Dry heat aging test: at 85℃

dB/km

≤0.03