1. Scope
The specification covers basic requirements for the structure and optical performances of BH-4001.
2. Structure
Table 1
Item |
Specification |
Unit |
Min. |
Typ. |
Max. |
Optical Fiber |
Core Material |
- |
Polymethyl-Methacrylate Resin |
Cladding Material |
- |
Fluorinated Polymer |
Core Refractive Index |
- |
1.49 |
Refractive Index Profile |
- |
Step Index |
Numerical Aperture |
- |
0.58 |
Core Diameter |
um |
920 |
980 |
1,040 |
Cladding Diameter |
um |
940 |
1,000 |
1,060 |
Jacket |
Material |
- |
Crosslinked Polyethylene |
Color |
- |
Black |
Diameter |
Mm |
2.13 |
2.18 |
2.23 |
Approximate Weight |
g/m |
4 |
Indication on the Product |
- |
None |
3. Performances
Table 2
Item |
Acceptance Criterion
and/or
[Test Condition] |
Specification |
Unit |
Min. |
Typ. |
Max. |
Maximum
Rating |
Storage
Temperature |
No Physical Deterioration
[in a Dry Atmosphere] |
℃ |
-55 |
- |
+105 |
Operation
Temperature |
No Deterioration
In Optical Properties*
[in a Dry Atmosphere] |
℃ |
-55 |
- |
+105 |
No Deterioration
in Optical Properties**
[under 95%RH condition] |
℃ |
- |
- |
+85 |
Optical
Properties |
Transmission Loss
[650nm Collimated Light] |
[25℃ 50%RH] |
dB/km |
- |
- |
200 |
[Operation Temperature] |
dB/km |
- |
- |
250 |
Mechanical Characteristics |
Minimum Bend Radius |
Loss Increment ≦0.5dB
[A Quarter Bend] |
mm |
15 |
- |
- |
Repeated Bending Endurance |
Loss Increment≦1dB
[in Conformity to the
JIS C 6861]*** |
Times |
1,000 |
- |
- |
Tensile Strength |
Tensile Force at 5% Elongation; [in Conformity to the JIS C 6861] |
N |
70 |
- |
- |
Twisting Endurance |
Loss Increment≦1dB
[Sample Length : 1m
Tensile Force : 4.9N] |
Times |
5 |
- |
- |
Impact Endurance |
Loss Increment≦1dB
[in Conformity to the
JIS C 6861] |
Nm |
0.4 |
- |
- |
All test are carried out under temperature of 25℃ unless otherwise specified
* Attenuation change shall be within +/- 10% after 1,000 hours.
** Attenuation change shall be within +/- 10% after 1,000 hours, except that due to absorbed water.
*** Bend Angle +/-90。,Bend Radius 15mm, Tension 500g.
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