Silica-based air-clad fibres: evaluation of drawing parameters

Ruth Renner-Erny; Loredana Di Labio; Valerio Romano; Willy Lüthy; T. Feurer

doi:10.1117/12.662388

18 April 2006 Silica-based air-clad fibres: evaluation of drawing parameters

Ruth Renner-Erny, Loredana Di Labio, Valerio Romano, Willy Lüthy, T. Feurer

Proceedings Volume 6182, Photonic Crystal Materials and Devices III (i.e. V); 61821Y (2006) https://doi.org/10.1117/12.662388
Event: SPIE Photonics Europe, 2006, Strasbourg, France

Abstract

In recent years, photonic crystal fibres (PCF) have attracted much interest because of their unique possibilities in mode selection. They allow high index as well as low index core geometries and light guidance is provided either by modified total internal reflection or by the photonic bandgap. An example for the high index guiding type of PCF is the fibre with air-cladding, the subject of our investigation. We report on experiments to produce this type of fibre. The silica preforms consist of a central rod surrounded by tubes, all packed into a larger tube. Fibres have been drawn at various furnace temperatures, drawing forces, and pressures. A suitable set of parameters has been determined that allows drawing airclad fibres. The parameters are a furnace temperature of 1750°C, a drawing force of 0.25 N, and a pressure of 10 kPa. An air-clad fibre with only one hexagonal ring of holes produced with this set of parameters already shows guiding of light. Light propagation in this fibre is simulated with BeamPROP 6.0 computer code. The experimental results are compared to the simulations.

Citation Download Citation

Ruth Renner-Erny, Loredana Di Labio, Valerio Romano, Willy Lüthy, and T. Feurer "Silica-based air-clad fibres: evaluation of drawing parameters", Proc. SPIE 6182, Photonic Crystal Materials and Devices III (i.e. V), 61821Y (18 April 2006); https://doi.org/10.1117/12.662388

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