Enhancement of chemical sensing capability in a photonic crystal fiber with a hollow high index ring defect at the center.


A new type of index-guided photonic crystal fiber is proposed to enhance chemical sensing capability by introducing a hollow high index ring defect that consists of the central air hole surrounded by a high index GeO2 doped SiO2 glass ring. Optical properties of the fundamental guided mode were numerically analyzed using the full-vector finite element… (More)
DOI: 10.1364/OE.19.001921



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