Title : 
Reduction of loss due to OH in optical fibres by a two-step OH ¿ OD exchange process
         
        
            Author : 
Stone, Joshua ; Lemaire, P.J.
         
        
            Author_Institution : 
Bell Laboratories, Crawford Hill Laboratory, Holmdel, USA
         
        
        
        
        
        
        
            Abstract : 
An isotopic exchange process is used to convert the OH in optical fibre preforms into OD. The OH first overtone absorption is reduced from 80 dB/km to 1.5 dB/km. The OD second overtone absorption at 1.26 ¿m is less than 0.5 dB/km.
         
        
            Keywords : 
isotope exchanges; optical fibres; oxygen compounds; OH to OD exchange; isotopic exchange process; loss reduction; optical fibres; overtone absorption;
         
        
        
            Journal_Title : 
Electronics Letters
         
        
        
        
        
            DOI : 
10.1049/el:19820054