CONTENTS

 1     Scope 
 2     References 
        2.1     Normative references         
        2.2     Informative references        
 3     Terms and definitions       
        3.1     General definitions 
        3.2     Mechanical characteristics  
        3.3     Mode field characteristics  
        3.4     Glass geometry characteristics        
        3.5     Chromatic dispersion definitions     
        3.6     Other characteristics          
 4     Abbreviations and acronyms        
 5     Test methods    
        5.1     Test methods for the mode field diameter   
        5.2     Test methods for the cladding diameter, core concentricity error and cladding non‑circularity    
        5.3     Test methods for the cut-off wavelength     
        5.4     Test methods for the attenuation     
        5.5     Test methods for the chromatic dispersion  
        5.6     Test methods for prooftesting         
Annex A – Chromatic dispersion fitting    
        A.1     General  
        A.2     Definition of equations and fitting coefficients          
        A.3     Fitting procedure   
Appendix I – Methods of cut-off wavelength interpolation    
        I.1        Limited negative error method      
        I.2        Least squares method      
Appendix II – Test method for measuring chromatic dispersion uniformity  based on the backscattering technique    
       II.1     General   
       II.2     Test apparatus       
       II.3     Measurement procedure     
       II.4     Presentation of the results   
       II.5     References 
Appendix III – Example of a matrix model    
BIBLIOGRAPHY