Fresnel Fibres with Omnidirectional Zone Cross-sections | Zendy

Cícero Martelli | Zendy; John Canning | Zendy

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Fresnel Fibres with Omnidirectional Zone Cross-sections

Author(s) -

Cícero Martelli,

John Canning

Publication year - 2007

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.15.004281

Subject(s) - optics , zone plate , fresnel zone , fresnel equations , omnidirectional antenna , fresnel diffraction , materials science , fresnel number , diffraction , physics , refractive index , telecommunications , computer science , antenna (radio)

Fresnel fibres with silica zones resembling omnidirectional structures with self-imaging properties are proposed. Numerical simulation is carried out on a large air hole Fresnel fibre with a triadic Cantor fractal zone cross-section (FZC). The results show the transmission bandgap of these fibres widens and the practical confinement loss decreases with increasing orders of self-imaging. For an order of S = 4 a bandwidth Deltalambda= 0.69 mum and a confinement loss of 0.11 dB/km @ 1.1 mum is calculated.

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