We realize a highly sensitive nitrobenzene sensor in all-fiber scheme employing fiber FPI with poly(4-Vinylpyridine) that provides volume expansion with gas absorption.Sensitivity level of 10ppm with >40nm spectral shift is successfully demonstrated.
© 2012 OSA
M. Bae, H. Choi, J. A. Lim, S. Kim, and Y. Song, "Explosive gas sensors with ultrahigh sensitivity in all-fiber configuration," in Conference on Lasers and Electro-Optics 2012, OSA Technical Digest (online) (Optical Society of America, 2012), paper CW3B.7.
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