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Conferences > CLEO > 2010 > CFH > CFH2

Spatial Resolution Enhancement by External Phase Modulation in Long-length FBG Sensing System Based on Synthesis of Optical Coherence Function

Koji Kajiwara, Zuyuan He, and Kazuo Hotate

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Abstract

External phase modulation is newly combined with the synthesis of optical coherence function for improvement of spatial resolution in distributed sensing system using a long-length fiber Bragg grating. The spatial resolution is improved from previously-reported 9.8 mm to 4.0 mm.

© 2010 Optical Society of America

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