A Review of Refractometric Sensors Based on Long Period Fibre Gratings

<table>Change of the intensity of a particular mode as a function of the external refractive index. Inset: the choice of the period enables the tuning of the sensitivity for different refractive indices to be measured (taken from [<a href="/journals/tswj/2013/913418/#B33">33</a>, <a href="/journals/tswj/2013/913418/#B34">34</a>]).</table>

The Scientific World Journal

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Figure 5

Figure 5: A Review of Refractometric Sensors Based on Long Period Fibre Gratings 