Qilu University of Technology(shandong Academy of Sciences)

Hui Li

Jiasheng Ni

Chang Wang

Yingying Wang

Xiaohui Liu

Long Ma

Shaodong Jiang

Qingchao Zhao

Faxiang Zhang

Xiaolei Zhang

An optical fiber inclination measurement apparatus and a differential inclination measurement system are provided, which is related to the field of monitoring technology. The apparatus includes a supporting mechanism with a base and a base frame, a swinging mechanism with a pendulum, a cycloid, and a first reflective film is disposed on the pendulum. The measurement mechanism includes a first optical fiber, and an end surface of the first optical fiber is disposed opposite to the first reflective film. During an earthquake generating process, a landform changes and the pendulum swings, resulting in changes in displacement. The end surface of the first optical fiber together with the first reflective film form a Fabry-Perot cavity. The cavity length of the Fabry-Perot cavity changes before and after the landform deforms, and an angle of inclination is equal to a value obtained by dividing the cavity length variation of the Fabry-Perot cavity by the pendulum length.

Optical fiber inclination measurement apparatus and differential inclination measurement system

Growing community of inventors

Jinan, China

Hui Li