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29 July 2004 Optical biochemical sensors based on long-period fiber gratings UV-inscribed in D-fiber with enhanced sensitivity by HF etching process
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Proceedings Volume 5486, ALT'03 International Conference on Advanced Laser Technologies: Biomedical Optics; (2004) https://doi.org/10.1117/12.572033
Event: ALT'03 International Conference on Advanced Laser Technologies: Biomedical Optics, 2003, Silsoe, United Kingdom
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.
© (2004) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Xianfeng Chen, Kaiming Zhou, Lin Zhang, and Ian Bennion "Optical biochemical sensors based on long-period fiber gratings UV-inscribed in D-fiber with enhanced sensitivity by HF etching process", Proc. SPIE 5486, ALT'03 International Conference on Advanced Laser Technologies: Biomedical Optics, (29 July 2004); https://doi.org/10.1117/12.572033
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