A novel sensor interrogation technique using chirped fiber grating based Sagnac loop
SENSORS, 2002 IEEE - Tập 2 - Trang 1351-1353 vol.2
Tóm tắt
We demonstrate a novel and simple sensor interrogation scheme for fiber Bragg grating (FBG) based sensing systems. In this scheme, a chirped FBG based Sagnac loop is used as a wavelength-dependent receiver, and a stable and linear readout response is realised. It is a significant advantage of this scheme that the sensitivity and the measurement wavelength range can be easily adjusted by controlling the chirp of the FBG or using an optical delay line in the Sagnac loop.
Từ khóa
#Chirp #Optical fiber sensors #Fiber gratings #Sagnac interferometers #Bragg gratings #Optical receivers #Sensor systems #Wavelength measurement #Optical control #Optical sensorsTài liệu tham khảo
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