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BS EN 61977:2015

BS EN 61977:2015

$167.15

Fibre optic interconnecting devices and passive components. Fibre optic filters. Generic specification

Published By Publication Date Number of Pages
BSI 2015 36
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IEC 61977:2015 applies to the family of fibre optic filters. These components have all of the following general features: – they are passive for the reason that they contain no optoelectronic or other transducing elements which can process the optical signal launched into the input port; – they modify the spectral intensity distribution in order to select some wavelengths and inhibit others; – they are fixed, i.e. the modification of the spectral intensity distribution is fixed and cannot be tuned; – they have input and output ports or a common port (having both functions of input and output) for the transmission of optical power; – the ports are optical fibre or optical fibre connectors; – they differ according to their characteristics. They can be divided into the following categories: – short-wave pass (only wavelengths lower than or equal to a specified value are passed); – long-wave pass (only wavelengths greater than or equal to a specified value are passed); – band-pass (only an optical window is allowed); – notch (only an optical window is inhibited). It is also possible to have a combination of the above categories. This standard establishes uniform requirements for the following: optical, mechanical and environmental properties. This third edition cancels and replaces the second edition published in 2010. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: – harmonization of a number of terms and definitions with other generic specifications; – deletion of the quality assessment level clause. Keywords: fibre optic filters generic specification

PDF Catalog

PDF Pages PDF Title
4 European foreword
Endorsement notice
5 Annex ZA (normative) Normative references to international publications with their corresponding European publications
6 English
CONTENTS
8 FOREWORD
10 1 Scope
2 Normative references
11 3 Terms and definitions
3.1 Basic terms
3.2 Component terms
13 3.3 Performance terms
Figures
Figure 1 – Illustration of passband ripple
14 Figure 2 – Illustration of a stopband
15 Figure 3 – Illustration of maximum insertion loss within a passband
Figure 4 – Illustration of minimum insertion loss within a passband
16 4 Requirements
4.1 Classification
4.1.1 General
Figure 5 – Illustration of X dB bandwidth
17 4.1.2 Type
4.1.3 Style
Tables
Table 1 – Example of a typical filter classification
18 4.1.4 Variant
4.1.5 Normative reference extensions
Figure 6 – Optic filter style configurations
19 4.2 Documentation
4.2.1 Symbols
4.2.2 Specification system
Table 2 – The IEC specification structure
20 4.2.3 Drawings
21 4.2.4 Test and measurements
4.2.5 Test report
4.2.6 Instructions for use
4.3 Standardisation system
4.3.1 Interface standards
22 4.3.2 Performance standards
4.3.3 Reliability standards
23 4.3.4 Interlinking
24 4.4 Design and construction
4.4.1 Materials
Figure 7 – Standards currently under preparation
Table 3 – Standards interlink matrix
Table 4 – Quality assurance options
25 4.4.2 Workmanship
4.5 Performance requirements
4.6 Identification and marking
4.6.1 General
4.6.2 Variant identification number
4.6.3 Component marking
4.6.4 Package marking
26 4.7 Packaging
4.8 Storage conditions
4.9 Safety
27 Annex A (informative) Example of etalon filter technology
A.1 Operating principle of etalon filter
A.2 Transmission characteristics of etalon filter
Figure A.1 – Schematic diagram of an etalon
28 Figure A.2 – Transmission characteristic of an etalon
29 Annex B (informative) Example of fibre Bragg grating (FBG) filter technology
B.1 Operating principle of FBG
B.2 Example of usage of an FBG
Figure B.1 – Technology of a fibre Bragg grating
30 Figure B.2 – Application of an optical add/drop module
Figure B.3 – Application of an OTDR sensor
Figure B.4 – Application of the wavelength stabilizer for a 980 nm pump LD
31 Annex C (informative) Example of thin film filter technology
C.1 Example of thin film filter technology
C.2 Example of application of thin film filters
Figure C.1 – Structure of a multilayer thin-film
32 Figure C.2 – Application for a GFF for an optical fibre amplifier
Figure C.3 – Application for a BPF for an optical fibre amplifier
33 Bibliography

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BS EN 61977:2015
$167.15