Highly Sensitive Sensors Based on Photonic Crystal Fiber Modal Interferometers

<table>Position of the peak as a function of the external index observed in a 30<svg height="12.175" id="M57" style="vertical-align:-3.56265pt" version="1.1" viewbox="0 0 12.3875 12.175" width="12.3875" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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q-7 -33 0 -55t25 -22q36 0 105.5 75t107.5 145l32 146l75 26h10q-50 -197 -78 -347q-7 -38 6 -38q7 0 31 17t47 39z" id="x1D707"></path></g>
</svg>m-thick taper. (Inset) Transmission spectra around 850 nm of the taper immersed into Cargille oils with indexes of 1.430, 1.434, 1.438, and 1.440.</table>

Journal of Sensors

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Figure 6

Figure 6: Highly Sensitive Sensors Based on Photonic Crystal Fiber Modal Interferometers 