title: Composite-cavity-based Fabry-Perot interferometric strain sensors.
abstract: A composite-cavity-based Fabry-Perot interferometric strain sensor system is proposed to gain the minimum cross sensitivity to temperature and a high multiplexing capability at the same time. The interrogation of the sensor system is based on a white-light interferometric technology, and the demodulation is achieved by analyzing the coherence spectra. A demonstration system with two sensors is presented and tested.
authors.affiliation: Department of Physics, Harbin Engineering University, Harbin 150001, China. zhangjianzhong@hrbeu.edu.cn
authors.forename: Jianzhong
authors.initials: J
authors.lastname: Zhang
authors.forename: G D
authors.initials: GD
authors.lastname: Peng
authors.forename: Libo
authors.initials: L
authors.lastname: Yuan
authors.forename: Weimin
authors.initials: W
authors.lastname: Sun