.A novel temperature-insensitive strain sensor based on tapered fiber grating[J].Optoelectronics Letters,2007,3(5):342-345 A novel temperature-insensitive strain sensor based on tapered fiber grating YANG Xian-hui YU Yong-sen ZHANG Qiu-hua SUN Sheng-he [1]Department of Automatic Test and Control, Harbin Institute of Technology, Harbin, 150001, China [2]State Key Laboratory on Integrated Optoelectronics, Jilin University, Changchun, 130023, China [3]Department of Astronautic Engineering and Mechanics, Harbin Institute of Technology, Harbin, 150001, China Abstract:       A novel temperature-insensitive strain sensor based on bandwidth demodulation of the reflected light from the tapered fiber grating is presented, which is simple and low-cost and has considerable potential particularly application for strain sensing,and with the development of the interrogation system, it can demodulate both the bandwidth and the center wavelength of the reflected light from TFG to measure strain and temperature simultaneously. Hits: 3817 Download times: 197 View Full Text    Download reader