OH Loss Increase due to Jacketing Glass Material in Optical Fibers

Hiroki ITOH  Hiroaki HANAFUSA  Yoshinori HIBINO  

IEICE TRANSACTIONS (1976-1990)   Vol.E69   No.7   pp.782-784
Publication Date: 1986/07/25
Online ISSN: 
Print ISSN: 0000-0000
Type of Manuscript: LETTER
Category: Optical and Quantum Electronics

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Natural quartz jacketed fibers showed a larger OH loss increase due to diffused H2 than synthesized silica jecketed fibers. This additional OH loss increased with an increase in the drawing temperature and a decrease in the drawing speed in the former, although it was not changed by the drawing conditions in the latter. From this result, it was estimated that impurities which diffused from the natural quartz into the core glass during the drawing process were related to the large OH loss increase.