Abstract
Since the first announcement of low-loss fiber in 1970,1 much work has been done to reduce the attenuation to theoretical limits. The MCVD process, first described in 19742 has provided a method to mass produce lightguides3 with loss near the theoretical limits. However, impurities in the starting reagents can have deleterious effects, thereby creating a need for supplying production quantities of ultrapure silicon tetrachloride. This paper describes an automated process that has been developed for purifying silicon tetrachloride.
© 1983 Optical Society of America
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