BEHAVIOR OF ALKALIE IMPURITIES AND THEIR ADVERSE EFFECT ON GERMANIA DOPED SILICA FIBERS.

M. OGAI; A. UNO; K. MATSUBARA

doi:10.1364/OFC.1987.PDP3

Optical Fiber Communication
1987 OSA Technical Digest Series (Optica Publishing Group, 1987),
paper PDP3
•https://doi.org/10.1364/OFC.1987.PDP3

BEHAVIOR OF ALKALIE IMPURITIES AND THEIR ADVERSE EFFECT ON GERMANIA DOPED SILICA FIBERS.

M. OGAI, A. UNO, and K. MATSUBARA

Optical Fiber Communication Conference 1987

Reno, Nevada United States
ISBN: 0-936659-61-0

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M. OGAI, A. UNO, and K. MATSUBARA, "BEHAVIOR OF ALKALIE IMPURITIES AND THEIR ADVERSE EFFECT ON GERMANIA DOPED SILICA FIBERS.," in Optical Fiber Communication, 1987 OSA Technical Digest Series (Optica Publishing Group, 1987), paper PDP3.

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Abstract

Sodium and potassium were found in germania doped core part of VAD fiber in which a natural silica tube was over-jacketed as outer cladding layer while nothing was found when a systhetic silica tube replaced the natural silica tube. The existance of such alkalines are related to hydrogen induced loss increase in infrared wavelength region.⁽¹⁾

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