Exposed-core microstructured fibres for real-time fluorescence sensing

Stephen C. Warren-Smith; Heike Ebendorff-Heidepriem; Tze Cheung Foo; Roger Moore; Claire Davis; Tanya M. Monro

doi:10.1117/12.834457

5 October 2009 Exposed-core microstructured fibres for real-time fluorescence sensing

Stephen C. Warren-Smith, Heike Ebendorff-Heidepriem, Tze Cheung Foo, Roger Moore, Claire Davis, Tanya M. Monro

Proceedings Volume 7503, 20th International Conference on Optical Fibre Sensors; 750357 (2009) https://doi.org/10.1117/12.834457
Event: 20th International Conference on Optical Fibre Sensors, 2009, Edinburgh, United Kingdom

Abstract

A method for fabricating glass exposed-core microstructured optical fibre is demonstrated. This fibre design consists of a jacketed suspended optical nano/micro-wire that is partially exposed to the external environment, which is particularly useful for sensing. These fibres allow for strong evanescent field interactions due to the small core size, while also providing real-time and potentially distributive measurements. We compare experimentally the exposed-core fibre and an equivalent enclosed-core microstructured fibre in terms of their performance as evanescent field sensors, and demonstrate that the exposed-core fibre can provide at least an order of magnitude faster measurement response time.

Citation Download Citation

Stephen C. Warren-Smith, Heike Ebendorff-Heidepriem, Tze Cheung Foo, Roger Moore, Claire Davis, and Tanya M. Monro "Exposed-core microstructured fibres for real-time fluorescence sensing", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 750357 (5 October 2009); https://doi.org/10.1117/12.834457

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