This standard specifies the test methods for optical fiber size parameters and the unified requirements for test devices, samples, procedures, calculation methods and results. This standard applies to commercial inspection of finished fiber cross-sectional dimensions, refractive index profile, length, and fiber elongation.
GB/T 15972.2-1998 history
2021GB/T 15972.20-2021 Specifications for optical fibre test methods—Part 20: Measurement methods and test procedures for dimensions—Fibre geometry
2008GB/T 15972.20-2008 Specifications for optical fibre test methods.Part 20:Measurement methods and test procedures for dimensions.Fiber geometry
1998GB/T 15972.2-1998 Generic specification for optical fibres. Part 2: Measuring methods for dimensions