In-fiber grating sensing network with a combined SDM, TDM, and WDM topology

Summary form only given. In-fiber Bragg grating (FBG) sensors appear to be ideally suited for structural health monitoring of modem composite materials and civil engineering-based applications as they have the potential of offering advantages over conventional electrical sensors. In this paper; we propose and demonstrate a simultaneous SDM, TDM and WDM topology combined with a tunable wavelength filter (TWF) and an interferometric wavelength scanner (TWS).