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. Author manuscript; available in PMC: 2018 Apr 1.
Published in final edited form as: IEEE Sens J. 2017 Jan 17;17(7):1952–1963. doi: 10.1109/JSEN.2017.2654489

Fig. 5.

Fig. 5

Two methods to improve signal stability for intensity modulation based fiber optic sensors. a) bent tip reflective fiber optic sensor [34] ©2010 IEEE; b) reflective fiber optic sensor using coupler [37] ©2013 IEEE.