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21 November 2007 A novel method of edge filter demodulation by using temperature-independence HBF Sagnac LM
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Proceedings Volume 6781, Passive Components and Fiber-based Devices IV; 67813M (2007) https://doi.org/10.1117/12.741786
Event: Asia-Pacific Optical Communications, 2007, Wuhan, China
Abstract
A novel method of demodulation for fiber Bragg sensor is presented. An experimental system is built up in which HBF Sagnac LM is used as the edge filter. We achieve linear demodulation whith a bandwith of 3.6nm. We have also experimentally demonstrated that packaged HBF can compensate the temperature shift of the HBF Sagnac LM filter. The shift of wavelength for an uncompensated HBF Sagnac LM is approximately 2.3nm/°C,and that of the compensated HBF Sagnac LM is 0.005nm/°C,which is much less than that of the uncompensated HBF Sagnac LM filter.
© (2007) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yonglin Huang and Heming Chen "A novel method of edge filter demodulation by using temperature-independence HBF Sagnac LM", Proc. SPIE 6781, Passive Components and Fiber-based Devices IV, 67813M (21 November 2007); https://doi.org/10.1117/12.741786
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