| PDF Pages<\/th>\n | PDF Title<\/th>\n<\/tr>\n | ||||||
|---|---|---|---|---|---|---|---|
| 2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
| 5<\/td>\n | Annex ZA(normative)Normative references to international publicationswith their corresponding European publications <\/td>\n<\/tr>\n | ||||||
| 7<\/td>\n | English CONTENTS <\/td>\n<\/tr>\n | ||||||
| 9<\/td>\n | FOREWORD <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | 4 Measurement conditions 5 Apparatus 5.1 General 5.2 Measurement method 1: f\u03b8 lens imaging 5.2.1 General 5.2.2 Micro-positioner Figures Figure 1 \u2013 Apparatus configuration of measurement method 1: f\u03b8 lens imaging <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 5.2.3 FFP optical system 5.2.4 Imaging device 5.2.5 Computer (EAF analyser module) 5.3 Measurement method 2: direct imaging 5.3.1 General 5.3.2 Micro-positioner Figure 2 \u2013 Far field optical system diagram <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | 5.3.3 Imaging device 5.3.4 Computer, position controller and image acquisition 6 Sampling and specimens 7 Geometric calibration 7.1 General Figure 3 \u2013 Apparatus configuration of measurement method 2: direct imaging <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 7.2 Light source 7.3 Procedure 8 Measurement procedure 8.1 Safety Figure 4 \u2013 Calibration apparatus example <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | 8.2 Far field image acquisition 8.2.1 General 8.2.2 Waveguide end-face alignment 8.2.3 Light source image acquisition Figure 5 \u2013 Acquired far field image <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | 8.3 Removal of background noise 8.4 Centre determination 8.4.1 General 8.4.2 Method A: Optical centre determination Figure 6 \u2013 Acquired far field image with false colour <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | 8.4.3 Method B: Mechanical centre determination Figure 7 \u2013 Optical centre determination <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | 8.5 Computation of encircled angular flux Figure 8 \u2013 Transformation of x-y to polar coordinates on the image sensor plane <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | 9 Results 9.1 Information available with each measurement Figure 9 \u2013 Typical encircled angular flux chart <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | 9.2 Information available upon request 10 Details to be specified <\/td>\n<\/tr>\n | ||||||
| 23<\/td>\n | Annex A (informative) System recommendations \u2013 Measurement method 1: far field optical system A.1 General A.2 Recommendations Figure A.1 \u2013 An example of an optical system using an f\u03b8 lens <\/td>\n<\/tr>\n | ||||||
| 24<\/td>\n | Annex B (informative) System recommendations \u2013 Measurement method 2: direct imaging B.1 General B.2 Recommendations <\/td>\n<\/tr>\n | ||||||
| 25<\/td>\n | Annex C (informative) Shading effect of CCD devices: incident ray angular sensitivity C.1 General C.2 Scheme of shading and example of the characteristics Figure C.1 \u2013 Scheme of shading effect <\/td>\n<\/tr>\n | ||||||
| 26<\/td>\n | Figure C.2 \u2013 Example of shading characteristics <\/td>\n<\/tr>\n | ||||||
| 27<\/td>\n | Annex D (normative) Launch optics for the EAF template compliance test D.1 General D.2 Setup Figure D.1 \u2013 Schematic view of the setup for the EAF compliance test <\/td>\n<\/tr>\n | ||||||
| 28<\/td>\n | Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Fibre optic interconnecting devices and passive components. Basic test and measurement procedures – Examinations and measurements. Encircled angular flux (EAF) measurement method based on two-dimensional far field data from multimode waveguide (including fibre)<\/b><\/p>\n |