Sensitivity improvement of a fibre bragg grating ph sensor with elastomeric coating
A new optical pH sensor based on fibre Bragg grating (FBG) is demonstrated. The sensor consists of a FBG coated with pH sensitive hydrogel. The sensing was performed through the detection of wavelength shifts resulting from the induced strain on the FBG due to mechanical expansion of the hydrogel. A...
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| Main Authors: | , , , , |
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| Format: | Article |
| Published: |
IOP Publishing Ltd.
2012
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| Subjects: | |
| Online Access: | http://eprints.utm.my/id/eprint/47496/ http://dx.doi.org/10.1088/0957-0233/23/1/015104 |
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