Models for guidance in kagome-structured hollow-core photonic crystal fibres

Optical Society of America
Publication Type:
Journal Article
Optics Express, 2007, 15 (20), pp. 12680 - 12685
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We demonstrate by numerical simulation that the general features of the loss spectrum of photonic crystal fibres (PCF) with a kagome structure can be explained by simple models consisting of thin concentric hexagons or rings of glass in air. These easily analysed models provide increased understanding of the mechanism of guidance in kagome PCF, and suggest ways in which the high-loss resonances in the loss spectrum may be shifted.
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