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Proceedings Paper

Optical biochemical sensors based on long-period fiber gratings UV-inscribed in D-fiber with enhanced sensitivity by HF etching process
Author(s): Xianfeng Chen; Kaiming Zhou; Lin Zhang; Ian Bennion
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Paper Abstract

We report a new concept of biochemical sensor device based on long-period grating structures UV-inscribed in D-fiber. The surrounding-medium refractive index sensitivity of the devices has been enhanced significantly by a hydrofluoric acid etching process. The devices have been used to measure the sugar concentrations showing clearly an encoding relation between the chemical concentration and the grating spectral response, demonstrating their capability for potential biochemical sensing applications.

Paper Details

Date Published: 29 July 2004
PDF: 5 pages
Proc. SPIE 5486, ALT'03 International Conference on Advanced Laser Technologies: Biomedical Optics, (29 July 2004); doi: 10.1117/12.572033
Show Author Affiliations
Xianfeng Chen, Aston Univ. (United Kingdom)
Kaiming Zhou, Aston Univ. (United Kingdom)
Lin Zhang, Aston Univ. (United Kingdom)
Ian Bennion, Aston Univ. (United Kingdom)


Published in SPIE Proceedings Vol. 5486:
ALT'03 International Conference on Advanced Laser Technologies: Biomedical Optics
Ruikang K. Wang; Jeremy C. Hebden; Alexander V. Priezzhev; Valery V. Tuchin, Editor(s)

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