MIL-PRF-49291D
TABLE I. Qualification inspection.
Requirement
Test
Applicable test
Specimen
Inspection
paragraph
paragraph
document
length
Group I
Visual and mechanical inspection
3 at 2.2 km 1/
Core diameter
2/, 3/, 4/
Mode field diameter
TIA-455-167 or
2/, 4/, 5/
Core ovality
2/, 3/
Cladding diameter
2/
Cladding ovality
4.7.2.1.5
2/
Core-to-cladding offset
2/
Coating diameter
2/
Overall coating concentricity error
2/
Fiber mass/unit length
2/
Materials inspection
Attenuation rate
Type I fiber
4/, 6/, 7/
Type II fiber
Measurement 2106
4/, 6/, 7/
Attenuation uniformity
6/
Numerical aperture
2/, 3/, 4/
Bandwidth
3/, 4/, 6/
Macrobend attenuation
4/, 6/
Chromatic dispersion
4/, 6/
Cut-off wavelength
2/, 4/, 5/
Transient attenuation
3/, 4/, 8/
Group II
Tensile proof
3 at 2.2 km
Nuclear radiation resistance
9/, 10/
Mechanical strippability
11/
Fluid immersion aging
11/
Dynamic tensile strength
12/
Group III
Thermal shock
13/, 14/
Storage temperature
15/
Temperature humidity cycling
15/
Measurement 3302
Temperature cycling
15/
Measurement 3301
Life aging
15/
Measurement 3303
Fungus resistance
9/
Measurement 3401
See footnotes at end of table.
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