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BS EN 61280-2-9:2009

Current

Current

The latest, up-to-date edition.

Fibre optic communication subsystem test procedures Digital systems. Optical signal-to-noise ratio measurement for dense wavelength-division multiplexed systems

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-05-2009

INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 Apparatus
  4.1 General
  4.2 Diffraction grating-based OSA
  4.3 Michelson interferometer-based OSA
  4.4 Fabry-Perot-based OSA
  4.5 OSA performance requirements
      4.5.1 General
      4.5.2 Wavelength range
      4.5.3 Sensitivity
      4.5.4 Resolution bandwidth (RBW)
      4.5.5 Resolution bandwidth accuracy
      4.5.6 Dynamic range
      4.5.7 Scale fidelity
      4.5.8 Polarization dependence
      4.5.9 Wavelength data points
5 Sampling and specimens
6 Procedure
7 Calculations
8 Measurement uncertainty
9 Documentation
Annex A (informative) - Error in measuring signal level
        due to signal spectral width
Annex B (informative) - Error in measuring noise level
        due to signal spectral width and wavelength
        filtering
Bibliography
Annex ZA (normative) - Normative references to international
         publications with their corresponding European
         publications

Gives a parameter definition and a test method for obtaining optical signal-to-noise ratio (OSNR) using apparatus that measures the optical spectrum at a multichannel interface.

IEC 61280-2-9:2009 provides a parameter definition and a test method for obtaining optical signal-to-noise ratio (OSNR) using apparatus that measures the optical spectrum at a multichannel interface. Because noise measurement is made on an optical spectrum analyzer, the measured noise does not include source relative intensity noise (RIN) or receiver noise. Three implementations for an optical spectrum analyser (OSA) are discussed:
- a diffraction-grating-based OSA,
- a Michelson interferometer-based OSA,
- and a Fabry-Perot-based OSA.
This second addition cancels and replaces the first edition published in 2002 and constitutes a technical revision. The main changes from the previous edition are as follows:
- A paragraph has been added to the Scope describing the limitations due to signal spectral width and wavelength filtering;
- and Annex B has been added to further explain error in measuring noise level due to signal spectral width and wavelength filtering.

Committee
GEL/86/3
DevelopmentNote
Supersedes 01/205278 DC. (02/2003) Supersedes 07/30170618 DC. (06/2009)
DocumentType
Standard
Pages
26
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
NF EN 61280-2-9 : 2009 Identical
SN EN 61280-2-9 : 2002 Identical
IEC 61280-2-9:2009 Identical
DIN EN 61280-2-9:2009-12 Identical
EN 61280-2-9:2009 Identical

ISO/IEC Guide 98:1993 Guide to the expression of uncertainty in measurement (GUM)
EN 62129:2006/corrigendum:2006 CALIBRATION OF OPTICAL SPECTRUM ANALYZERS
EN 61290-3-1:2003 Optical amplifiers - Test methods - Part 3-1: Noise figure parameters - Optical spectrum analyzer method
IEC 61290-3-1:2003 Optical amplifiers - Test methods - Part 3-1: Noise figure parameters - Optical spectrum analyzer method
IEC 62129:2006 Calibration of optical spectrum analyzers

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