Hermetic coatings for optical fibers

Details Hermetic coatings for optical fibers Hermetic coatings for optical fibers

G - Physics

02

B

117/157, 117/162

G02B 6/02 (2006.01) C03B 37/027 (2006.01) C03C 13/04 (2006.01) C03C 25/10 (2006.01) C03C 25/22 (2006.01) C23C 16/26 (2006.01) C23C 16/30 (2006.01) C23C 16/32 (2006.01) C23C 16/34 (2006.01) C23C 16/38 (2006.01) C23C 16/40 (2006.01)

Patent

CA 1295892

HERMETIC COATINGS FOR OPTICAL FIBER ABSTRACT A method for hermetically sealing a silica based fiber product after the fiber product has been drawn from a melt or preform wherein a hermetic layer of boron carbide or a ceramic compound having a density of above about 4 g/cc is deposited upon the fiber product. The fiber product can be initially coated with carbon or boron carbide prior to the application of the ceramic compound. Also, a method for making such fiber products using these methods, and the resultant hermetically sealed fiber products produced thereby.

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