We introduce a novel scheme to obtain the I/Q signals optically using a dual head fiber Bragg grating (FBG) sensor and an optical-path-controlled Mach-Zehnder interferometer. Using the scheme as a demodulator for the FBG sensor, intensity-based measurement of dynamic strain was experimentally demonstrated.
A novel demodulation technique for the wavelength shift of fiber Bragg grating sensors using the I/Q signal processing scheme
01.01.1999
140522 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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