Journal of the Ceramic Society of Japan
Online ISSN : 1348-6535
Print ISSN : 1882-0743
ISSN-L : 1348-6535
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Fabrication of a tellurite hollow core optical fiber with six non-touching cladding air holes
Hoang Tuan TONGNobuhiko NISHIHARAGUCHITakenobu SUZUKIYasutake OHISHI
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2019 Volume 127 Issue 12 Pages 918-923

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Abstract

We experimentally demonstrate for the first time a successful fabrication of a new tellurite hollow core optical fiber which has 6 non-touching air holes in the cladding. This is because it is known from the simulation that when the two nearby cladding air-holes connect to each other, the confinement loss in the core will be high. New tellurite glass is developed to improve the optical and thermal properties and the light transmission properties from 0.4 to 2.4 µm are studied experimentally. In addition, the calculation shows that high transmission bands and low transmission bands which locate alternately in the measured transmission spectrum correspond to the effects of resonant reflection and anti-resonant reflection.

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© 2019 The Ceramic Society of Japan
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