title: Real-time transverse force sensing using fiber Bragg grating through direct Stokes parameters measurement.
abstract: Characteristics of a fiber Bragg grating (FBG) transverse force sensor based on Stokes parameters are presented. Real-time force measurement is achieved through direct measurement of the Stokes parameters at single wavelength. A proportional relationship and linear fit are found between Stokes parameters and applied force. The sensitivity and dynamic range dependence on the state of polarization (SOP) of the incident light is investigated theoretically and experimentally. A maximum sensitivity of 0.037/N is experimentally achieved and it can be improved further by adjusting the incident SOP. This design significantly reduces system complexity and improves data processing speed, which has great practical value in real-time FBG sensing applications.
authors.forename: Yang
authors.initials: Y
authors.lastname: Su
authors.forename: Yong
authors.initials: Y
authors.lastname: Zhu
authors.forename: Baofu
authors.initials: B
authors.lastname: Zhang
authors.forename: Hua
authors.initials: H
authors.lastname: Zhou