BS EN 61300-3-47:2014
$102.76
Fibre optic interconnecting devices and passive components. Basic test and measurement procedures – Examinations and measurements. End face geometry of PC/APC spherically polished ferrules using interferometry
| Published By | Publication Date | Number of Pages |
| BSI | 2014 | 20 |
This part of IEC 61300 describes a procedure to measure the end face geometry of a spherically polished ferrule or connector. Within this standard the words “ferrule” and “connector” can be used interchangeably.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 5 | CONTENTS |
| 6 | 1 Scope 2 Terms and definitions Figures Figure 1 – Radius of curvature of a spherically polished ferrule end face |
| 7 | Figure 2 – Apex offset of a spherically polished ferrule end face Figure 3 – Fibre height of a spherically polished ferrule end face |
| 8 | 3 Measurement by interferometer 3.1 General 3.2 Ferrule/connector holder Figure 4 – Ferrule end face angle for spherically polished ferrules Figure 5 – Interferometer |
| 9 | 3.3 Optical interferometric system 3.4 Microscope with camera 4 Requirements for the interferometer 4.1 XY calibration (radius of curvature) 4.2 Z calibration (fibre height) 4.3 Alignment of ferrule axis with the interferometer’s optical axis (apex offset calibration) 4.4 Tilt and key angle 5 Measurement method 5.1 General |
| 10 | 5.2 Measurement regions 5.3 Measurement procedure for the radius of curvature Figure 6 – Ferrule end face and measurement regions |
| 11 | 5.4 Measurement procedure for the dome eccentricity (apex offset) 5.5 Measurement procedure for fibre height |
| 12 | Figure 7 – Ferrule end face surface Figure 8 – Fitting region and averaging region of the ferrule end face surface |
| 13 | Figure 9 – Converted end face surface of the ferrule Figure 10 – Converted ferrule end face surface without the extracting region |
| 14 | 6 Details to be specified |
| 15 | Annex A (normative) Calibration for the interferometer A.1 XY calibration A.2 Z calibration A.3 Alignment of the ferule axis with the optical axis of the interferometer (“apex offset calibration”) A.4 Tilt and key angle |
| 16 | Annex B (informative) Measurement procedure for end face “angle error” of angled convex polished ferrules Figure B.1 – Example of key error calculated from interference pattern for a convex polished ferrule |
| 18 | Annex C (informative) Formula for calculating ferrule end face geometry |
