Fibre optic interconnecting devices and passive components—Basic test and measurement procedure—Part 3-25:Examinations and measurements—Concentricity of non-angled ferrules and non-angled ferrules with fibre installed
Fibre optic interconnecting devices and passive components—Basic test and measurement procedures—Part 3-47: Examinations and measurements—End face geometry of PC/APC spherically polished ferrules using interferometry