Tapers in single-mode optical fibre by controlled core diffusion

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Tapers in single-mode optical fibre by controlled core diffusion

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© The Institution of Electrical Engineers
Published

A method of obtaining tapered single mode fibre cores by controlled thermal diffusion of the dopant is described. The mechanical fibre dimensions are maintained during this process. Extended tapers have been produced, which show an increased tolerance to longitudinal and transverse offsets. Such tapers will prove useful for a range of optical fibre components.

Inspec keywords: optical workshop techniques; optical losses; optical fibres; refractive index; thermal diffusion

Other keywords: single-mode optical fibre; mechanical fibre dimensions; controlled core diffusion; F doped monomode fibre; dopant; refractive index profile; taper fabrication; thermal diffusion

Subjects: Optical fibre fabrication, cladding, splicing, joining; Fibre optics

References

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