EN 60793-1-42:2013/AC:2013
(Corrigendum)Optical fibres - Part 1-42: Measurement methods and test procedures - Chromatic dispersion
General Information
- Abstract
This part of IEC 60793 establishes uniform requirements for measuring the chromatic dispersion of optical fibre, thereby assisting in the inspection of fibres and cables for commercial purposes. Chromatic dispersion varies with wavelength. Some methods and implementations measure the group delay as a function of wavelength and the chromatic dispersion and dispersion slope are deduced from the derivatives (with respect to wavelength) of this data. This differentiation is most often done after the data are fitted to a mathematical model. Other implementations can allow direct measurement (of the chromatic dispersion) at each of the required wavelengths. For some (sub-) categories of fibre, the chromatic dispersion attributes are specified with the parameters of a specific model. In these cases, the relevant recommendation or standard defines the model appropriate for the definition of the specified parameters. For other fibre (sub-) categories, the dispersion is specified to be within a given range for one or more specified wavelength intervals. In the latter case, either direct measurements may be made at the wavelength extremes or some fitting model may be used to either allow group delay measurement methods or implementations, or to allow storage of a reduced set of parameters that may be used to calculate the interpolated dispersion for particular wavelengths which may not have actual direct measurement values. Annex D gives a general description of chromatic dispersion fitting and outlines a number of fitting equations suitable for use with any of the measurement methods or fibre categories. This standard gives three methods for measuring chromatic dispersion: - method A: phase shift; - method B: spectral group delay in the time domain; - method C: differential phase shift. Methods A, B, and C apply to the measurement of chromatic dispersion of the following fibres from IEC 60793-2 over a specified wavelength range: - category A1 graded-index multimode fibres; - sub-category A4f, A4g and A4h multimode fibres; - category B1, B2, B4, B5 and sub-categories B6_a1 and B6_a2 single-mode fibres. The methods can be applied to laboratory, factory and field measurements of chromatic dispersion, and the wavelength range of the measurements can be tailored as required. Measurements are made at temperature as stated in Table 1 of IEC 60793-1-1:2008, Standard range of atmospheric conditions. The methods are suitable for fibre or cable lengths greater than 1 km. They may also be applied to shorter lengths, but accuracy and repeatability may be compromised. Information common to all methods is contained in Clauses 1 to 8, and information pertaining to each individual method appears in Annexes A, B and C, respectively.
- Status
- Published
- Publication Date
- 21-Nov-2013
- Technical Committee
- CLC/TC 86A - Optical fibres and optical fibre cables
- Drafting Committee
- IEC/SC 86A - IEC_SC_86A
- Current Stage
- 6060 - Document made available - Publishing
- Start Date
- 22-Nov-2013
- Completion Date
- 22-Nov-2013
Relations
- Effective Date
- 29-Jan-2023
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Frequently Asked Questions
EN 60793-1-42:2013/AC:2013 is a corrigendum published by CLC. Its full title is "Optical fibres - Part 1-42: Measurement methods and test procedures - Chromatic dispersion". This standard covers: This part of IEC 60793 establishes uniform requirements for measuring the chromatic dispersion of optical fibre, thereby assisting in the inspection of fibres and cables for commercial purposes. Chromatic dispersion varies with wavelength. Some methods and implementations measure the group delay as a function of wavelength and the chromatic dispersion and dispersion slope are deduced from the derivatives (with respect to wavelength) of this data. This differentiation is most often done after the data are fitted to a mathematical model. Other implementations can allow direct measurement (of the chromatic dispersion) at each of the required wavelengths. For some (sub-) categories of fibre, the chromatic dispersion attributes are specified with the parameters of a specific model. In these cases, the relevant recommendation or standard defines the model appropriate for the definition of the specified parameters. For other fibre (sub-) categories, the dispersion is specified to be within a given range for one or more specified wavelength intervals. In the latter case, either direct measurements may be made at the wavelength extremes or some fitting model may be used to either allow group delay measurement methods or implementations, or to allow storage of a reduced set of parameters that may be used to calculate the interpolated dispersion for particular wavelengths which may not have actual direct measurement values. Annex D gives a general description of chromatic dispersion fitting and outlines a number of fitting equations suitable for use with any of the measurement methods or fibre categories. This standard gives three methods for measuring chromatic dispersion: - method A: phase shift; - method B: spectral group delay in the time domain; - method C: differential phase shift. Methods A, B, and C apply to the measurement of chromatic dispersion of the following fibres from IEC 60793-2 over a specified wavelength range: - category A1 graded-index multimode fibres; - sub-category A4f, A4g and A4h multimode fibres; - category B1, B2, B4, B5 and sub-categories B6_a1 and B6_a2 single-mode fibres. The methods can be applied to laboratory, factory and field measurements of chromatic dispersion, and the wavelength range of the measurements can be tailored as required. Measurements are made at temperature as stated in Table 1 of IEC 60793-1-1:2008, Standard range of atmospheric conditions. The methods are suitable for fibre or cable lengths greater than 1 km. They may also be applied to shorter lengths, but accuracy and repeatability may be compromised. Information common to all methods is contained in Clauses 1 to 8, and information pertaining to each individual method appears in Annexes A, B and C, respectively.
This part of IEC 60793 establishes uniform requirements for measuring the chromatic dispersion of optical fibre, thereby assisting in the inspection of fibres and cables for commercial purposes. Chromatic dispersion varies with wavelength. Some methods and implementations measure the group delay as a function of wavelength and the chromatic dispersion and dispersion slope are deduced from the derivatives (with respect to wavelength) of this data. This differentiation is most often done after the data are fitted to a mathematical model. Other implementations can allow direct measurement (of the chromatic dispersion) at each of the required wavelengths. For some (sub-) categories of fibre, the chromatic dispersion attributes are specified with the parameters of a specific model. In these cases, the relevant recommendation or standard defines the model appropriate for the definition of the specified parameters. For other fibre (sub-) categories, the dispersion is specified to be within a given range for one or more specified wavelength intervals. In the latter case, either direct measurements may be made at the wavelength extremes or some fitting model may be used to either allow group delay measurement methods or implementations, or to allow storage of a reduced set of parameters that may be used to calculate the interpolated dispersion for particular wavelengths which may not have actual direct measurement values. Annex D gives a general description of chromatic dispersion fitting and outlines a number of fitting equations suitable for use with any of the measurement methods or fibre categories. This standard gives three methods for measuring chromatic dispersion: - method A: phase shift; - method B: spectral group delay in the time domain; - method C: differential phase shift. Methods A, B, and C apply to the measurement of chromatic dispersion of the following fibres from IEC 60793-2 over a specified wavelength range: - category A1 graded-index multimode fibres; - sub-category A4f, A4g and A4h multimode fibres; - category B1, B2, B4, B5 and sub-categories B6_a1 and B6_a2 single-mode fibres. The methods can be applied to laboratory, factory and field measurements of chromatic dispersion, and the wavelength range of the measurements can be tailored as required. Measurements are made at temperature as stated in Table 1 of IEC 60793-1-1:2008, Standard range of atmospheric conditions. The methods are suitable for fibre or cable lengths greater than 1 km. They may also be applied to shorter lengths, but accuracy and repeatability may be compromised. Information common to all methods is contained in Clauses 1 to 8, and information pertaining to each individual method appears in Annexes A, B and C, respectively.
EN 60793-1-42:2013/AC:2013 is classified under the following ICS (International Classification for Standards) categories: 33.180.10 - Fibres and cables. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 60793-1-42:2013/AC:2013 has the following relationships with other standards: It is inter standard links to EN 60793-1-42:2013. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 60793-1-42:2013/AC:2013 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Lichtwellenleiter - Teil 1-42: Messmethoden und Prüfverfahren - Chromatische DispersionFibres optiques - Partie 1-42: Méthodes de mesure et procédures d’essai - Dispersion chromatiqueOptical fibres - Part 1-42: Measurement methods and test procedures - Chromatic dispersion33.180.10Fibres and cablesICS:Ta slovenski standard je istoveten z:EN 60793-1-42:2013/AC:2013SIST EN 60793-1-42:2014/AC:2014fr01-marec-2014SIST EN 60793-1-42:2014/AC:2014SLOVENSKI
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