Hollow core photonic crystal fiber as a viscosity sensor

Laura E. Horan; Fatima C. Garcia Gunning

doi:10.1117/12.968598

7 November 2012 Hollow core photonic crystal fiber as a viscosity sensor

Laura E. Horan, Fatima C. Garcia Gunning

Proceedings Volume 8421, OFS2012 22nd International Conference on Optical Fiber Sensors; 84216X (2012) https://doi.org/10.1117/12.968598
Event: OFS2012 22nd International Conference on Optical Fiber Sensor, 2012, Beijing, China

Abstract

Determining viscosity of nano-liter liquids is challenging, since most viscometers tend to use large volumes. We use short lengths of hollow-core photonic crystal fibres to determine the viscosity of small volumes of two types of monosaccharides diluted in a phosphate buffer solution. The simple optical technique used is based on the change in propagation characteristics of a laser beam travelling through the fibre as it fills with the nano-litre liquid of interest via capiliary action. The fiber length was kept in a temperature controlled casing, to minimize temperature differences across the fiber length for reproducibility and minimal error.

Citation Download Citation

Laura E. Horan and Fatima C. Garcia Gunning "Hollow core photonic crystal fiber as a viscosity sensor", Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 84216X (7 November 2012); https://doi.org/10.1117/12.968598

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