Temperature-referenced high-sensitivity point-probe optical fiber chem-sensors based on cladding etched fiber Bragg gratings
Zhou, Kaiming; Chen, Xianfeng F.; Zhang, Lin and Bennion, Ian (2004). Temperature-referenced high-sensitivity point-probe optical fiber chem-sensors based on cladding etched fiber Bragg gratings. IN: Optical Sensing. Culshaw, Brian; Mignani, Anna G. and Riesenberg, Rainer (eds) SPIE Proceedings, 5459 . UNSPECIFIED.
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Official URL: http://dx.doi.org/10.1117/12.545708
Abstract
Point-probe optical fiber chem-sensors have been implemented using cladding etched fiber Bragg gratings. The sensors possess refractive index sensing capability that can be utilized to measure chemical concentrations. The Bragg wavelength shift reaches 8 nm when the index of surrounding medium changes from 1.33 to 1.44, giving maximum sensitivity more than 10 times higher than that of previously reported devices. More importantly, the dual-grating configuration of the point-probe sensors offers a temperature reference function, permitting accurate measurement of refractive index encoded chemical concentrations.
| Item Type: | Book Section |
|---|---|
| Additional Information: | Poster |
| Uncontrolled Keywords: | point-probe optical fiber chem-sensors, cladding etched fiber Bragg gratings, refractive index, capability, chemical concentrations, Bragg wavelength shift, dual-grating configuration, temperature reference function, refractive index, encoded chemical concentrations |
| Divisions: | Schools_of_Study > Engineering & Applied Science > Electronic Engineering (EAS) Schools_of_Study > Engineering & Applied Science > Electrical, Electronic & Power Eng |
| Related URLs: | |
| ID Code: | 17569 |
| Deposited By: | Prof Alfred Admin |
| Deposited On: | 24 Oct 2012 09:09 |
| Last Modified: | 24 Oct 2012 09:09 |
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