Chinese Optics Letters, 2005, 3 (0s): 120, Published Online: Mar. 5, 2007  

Application of single chip processor in an interrogating system for fiber Bragg grating sensors with a fiber Fabry-Perot wavelength filter Download: 612次

Author Affiliations
Advanced Photonics Center, Southeast University, Nanjing 210096
Abstract
A novel interrogation system for fiber Bragg grating (FBG) sensors with a tunable fiber Fabry-Perot (FFP) wavelength filter is proposed. The system combines a feedback loop arrangement and micro control unit (MCU), which integrates the closed-loop tracking mode into the scanning mode by varying the process of sawtooth voltage. As a result, the wavelengths of fiber grating sensor arrays can be interrogated; moreover, the wavelength of arbitrary FBG under dynamic conditions in the arrays can be tracked and then be locked. A strain resolution of <0.3-ustrain can be realized using this system.

Yiping Wang, Anmin Li, Yiping Cui. Application of single chip processor in an interrogating system for fiber Bragg grating sensors with a fiber Fabry-Perot wavelength filter[J]. Chinese Optics Letters, 2005, 3(0s): 120.

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