Extended range interrogation of wavelength division multiplexed fibre Bragg grating sensors using arrayed waveguide grating |
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| Authors: | Norman D.C.C. Webb D.J. Pechstedt R.D. |
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| Affiliation: | Photonics Res. Group, Aston Univ., Birmingham, UK; |
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| Abstract: | ![]()
A technique for interrogating multiplexed fibre Bragg grating (FBG) sensors using an arrayed waveguide grating (AWG) is described. The approach considerably extends the sensing range from that achieved previously, while providing a strain resolution of 17n/spl epsiv///spl radic/Hz at 30 Hz. |
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