BSI PD IEC TR 62285:2023
$142.49
Application guidelines for nonlinear coefficient measuring methods
Published By | Publication Date | Number of Pages |
BSI | 2023 | 26 |
PDF Catalog
PDF Pages | PDF Title |
---|---|
2 | undefined |
4 | CONTENTS |
6 | FOREWORD |
8 | 1 Scope 2 Normative references 3 Terms and definitions 4 Abbreviated terms and symbols 4.1 Abbreviated terms |
9 | 4.2 Symbols 5 Background and overview of methods |
10 | 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 |
11 | 6.8 Computer 7 Samples and specimens 8 Procedure 9 Calculations of interpretation of results |
12 | 10 Results 10.1 Information available with each measurement 10.2 Information available upon request |
14 | 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 |
15 | A.2.2 Sources A.2.3 Optical signal conditioning Figure A.2 – Apparatus for method A |
16 | A.2.4 Power meters A.2.5 Optical spectrum analyser A.3 Samples and specimens |
17 | A.4 Procedure A.4.1 General A.4.2 Calibration A.4.3 Operation |
18 | 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 |
19 | Figure A.4 – Relationship of phase to power |
20 | 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 |
21 | 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 |
22 | B.4 Procedure B.5 Calculations B.5.1 Peak power B.5.2 Phase shift B.5.3 Complete the calculations |
23 | Figure B.3 – Phase vs. peak input power for method B |
24 | 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) |
25 | Bibliography |