BSI PD IEC TR 62285:2023 – TC
$186.33
Tracked Changes. Application guidelines for nonlinear coefficient measuring methods
| Published By | Publication Date | Number of Pages |
| BSI | 2023 | 60 |
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 1 | 30482696 |
| 34 | A-30432543 |
| 35 | undefined |
| 37 | CONTENTS |
| 39 | FOREWORD |
| 41 | 1 Scope 2 Normative references 3 Terms and definitions 4 Abbreviated terms and symbols 4.1 Abbreviated terms |
| 42 | 4.2 Symbols 5 Background and overview of methods |
| 43 | 6 Apparatus 6.1 General 6.2 Light source 6.3 Input optics 6.4 Input positioner 6.5 Cladding mode stripper 6.6 Output positioner 6.7 Output optics |
| 44 | 6.8 Computer 7 Samples and specimens 8 Procedure 9 Calculations of interpretation of results |
| 45 | 10 Results 10.1 Information available with each measurement 10.2 Information available upon request |
| 47 | Annex A (normative) Continuous wave dual-frequency method A.1 General A.2 Apparatus A.2.1 Layout of apparatus Figure A.1 – Output spectral characteristics |
| 48 | A.2.2 Sources A.2.3 Optical signal conditioning Figure A.2 – Apparatus for method A |
| 49 | A.2.4 Power meters A.2.5 Optical spectrum analyser A.3 Samples and specimens |
| 50 | A.4 Procedure A.4.1 General A.4.2 Calibration A.4.3 Operation |
| 51 | A.5 Calculations A.5.1 Calculate phase values A.5.2 Confirm assumptions A.5.3 Complete the calculation Figure A.3 – Relationship of phase to intensity ratio |
| 52 | Figure A.4 – Relationship of phase to power |
| 53 | Annex B (normative) Pulsed single-frequency method (PM) B.1 General B.2 Apparatus B.2.1 Layout of apparatus B.2.2 Source B.2.3 Optical signal conditioning Figure B.1 – Test set-up for method B |
| 54 | B.2.4 Power meters B.2.5 Optical pulsewidth measurement B.2.6 Optical spectrum analyser B.3 Samples and specimens Figure B.2 – Output spectra |
| 55 | B.4 Procedure B.5 Calculations B.5.1 Peak power B.5.2 Phase shift B.5.3 Complete the calculations |
| 56 | Figure B.3 – Phase vs. peak input power for method B |
| 57 | Annex C (informative) Guidance on the selection of fibre test length, power and difference in optical wavelength when using method A Table C.1 – Fibre characteristics for method A (representative values) |
| 58 | Bibliography |
