IEC 61300-3-7 : 2.0

FIBRE OPTIC INTERCONNECTING DEVICES AND PASSIVE COMPONENTS - BASIC TEST AND MEASUREMENT PROCEDURES - PART 3-7: EXAMINATIONS AND MEASUREMENTS - WAVELENGTH DEPENDENCE OF ATTENUATION AND RETURN LOSS OF SINGLE MODE COMPONENTS

International Electrotechnical Committee

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FOREWORD
1 Scope
2 Normative references
3 Abbreviations and acronyms
4 General
  4.1 General description
  4.2 Spectral conditions
  4.3 Definition
      4.3.1 Attenuation
      4.3.2 Return loss
  4.4 Device under test
  4.5 Measurement methods
      4.5.1 Method A - Broadband light source (BBS)
      4.5.2 Method B - Tuneable narrowband light source (TLS)
      4.5.3 Method C - Set of multiple fixed narrowband light
            sources (NLS)
      4.5.4 Method D - Tuneable OTDR
      4.5.5 Reference method
5 Apparatus
  5.1 Wavelength source
      5.1.1 Method A - Broadband light source
      5.1.2 Method B - Tuneable narrowband light source
      5.1.3 Method C - Set of N narrowband light sources
      5.1.4 Method D - Tuneable OTDR
      5.1.5 Depolarizer
  5.2 Detection system
      5.2.1 Method A, Method B.2 and Method C.2 tuneable
            narrowband detection spectrum
      5.2.2 Method B.1 and Method C.1 broadband detection
            spectrum
  5.3 Branching devices
  5.4 Termination
6 Procedure
  6.1 Method A - broadband light source
      6.1.1 Attenuation-only
      6.1.2 Return-loss-only
      6.1.3 Attenuation and return loss
  6.2 Method B - Tuneable narrowband light source
  6.3 Method C - Set of multiple fixed narrowband light
      sources
      6.3.1 Attenuation-only
      6.3.2 Return-loss-only
      6.3.3 Attenuation and return loss
  6.4 Test results
7 Details to be specified
  7.1 Source
      7.1.1 Broadband source
      7.1.2 Tuneable or discrete narrowband light source
      7.1.3 Depolarizer
  7.2 Detection system
      7.2.1 Optical power meter
      7.2.2 Optical spectrum analyser
  7.3 Reference branching device
  7.4 Termination
Annex A (informative) Device under test configurations,
        terminations and product types
Annex B (informative) Typical light source characteristics

Abstract

Specifies the various methods available to measure the wavelength dependence of attenuation A(lambda) and return loss RL(lambda), of single-mode passive optical components (POC) used in fibre-optic (FO) telecommunications.