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Discretely tunable ferroelectric liquid crystal filter for demodulation of multiple FBG sensors

Conference Paper


Abstract


  • A ratiometric wavelength measurement system based on a fiber bend loss edge filter has been proposed and demonstrated previously. Such a system offers the advantage of a high resolution, simplicity and a high measurement speed. The applications of such a system for the demodulation of the outputs of multiple Fiber Bragg grating (FBG) sensors requires the use of a high speed tunable filter to separate responses from multiple sensors. Here we present the results of modelling and analysis for a discretely tunable ferroelectric liquid crystal filter, which could be used as a channel dropper in a WDM-based demodulation system containing multiple FBG sensors.

Publication Date


  • 2008

Citation


  • Mathews, S., Semenova, Y., Rajan, G., & Farrell, G. (2008). Discretely tunable ferroelectric liquid crystal filter for demodulation of multiple FBG sensors. In Proceedings of SPIE - The International Society for Optical Engineering Vol. 7003. doi:10.1117/12.781209

Scopus Eid


  • 2-s2.0-50249085345

Volume


  • 7003

Abstract


  • A ratiometric wavelength measurement system based on a fiber bend loss edge filter has been proposed and demonstrated previously. Such a system offers the advantage of a high resolution, simplicity and a high measurement speed. The applications of such a system for the demodulation of the outputs of multiple Fiber Bragg grating (FBG) sensors requires the use of a high speed tunable filter to separate responses from multiple sensors. Here we present the results of modelling and analysis for a discretely tunable ferroelectric liquid crystal filter, which could be used as a channel dropper in a WDM-based demodulation system containing multiple FBG sensors.

Publication Date


  • 2008

Citation


  • Mathews, S., Semenova, Y., Rajan, G., & Farrell, G. (2008). Discretely tunable ferroelectric liquid crystal filter for demodulation of multiple FBG sensors. In Proceedings of SPIE - The International Society for Optical Engineering Vol. 7003. doi:10.1117/12.781209

Scopus Eid


  • 2-s2.0-50249085345

Volume


  • 7003