Integrated Bragg grating sensor applied to detection of phase transitions in liquid crystal and water
Sparrow, I.J.G., Emmmerson, G.D., Gawith, C.B.E., Smith, P.G.R., Kaczmarek, M. and Dyadyusha, A. (2005) Integrated Bragg grating sensor applied to detection of phase transitions in liquid crystal and water. In, Voet, Marc, Willsch, Reinhardt, Ecke, Wolfgang, Jones, Julian and Culshaw, Brian (eds.) 17th International Conference on Optical Fibre Sensors. Bellingham, USA, International Society for Optical Engineering, 888-891. (Proceedings of SPIE, 5855). (doi:10.1117/12.624286).
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Description/Abstract
A planar Bragg grating in silica is used to form an integrated optical refractive index sensor. The device, inherently suited to remote sensing using single mode transmission fibre, is shown to clearly detect phase transitions in a nematic liquid crystal and in water. Transitions from ordered to isotropic, gas to liquid and liquid to solid as well as the reverse transitions can all be clearly identified. The sensor also allows supercooled liquid to be easily identified, a task previously found challenging by other sensor technologies.
| Item Type: | Book Section |
|---|---|
| Related URLs: | |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) Q Science > QC Physics |
| Divisions: | University Structure - Pre August 2011 > School of Physics and Astronomy > Quantum, Light and Matter |
| Item ID: | 42184 |
| Date Deposited: | 22 Nov 2006 |
| Last Modified: | 02 Mar 2012 11:28 |
| Contributors: | Sparrow, I.J.G. (Author) Emmmerson, G.D. (Author) Gawith, C.B.E. (Author) Smith, P.G.R. (Author) Kaczmarek, M. (Author) Dyadyusha, A. (Author) Voet, Marc (Editor) Willsch, Reinhardt (Editor) Ecke, Wolfgang (Editor) Jones, Julian (Editor) Culshaw, Brian (Editor) |
| Date: | 2005 |
| Status: | Published |
| Publisher: | International Society for Optical Engineering |
| URI: | http://eprints.soton.ac.uk/id/eprint/42184 |
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