Plastic Optical Fiber Sensing of Alcohol Concentration in Liquors

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="709849.fig.002a" src="https://static.hindawi.com/articles/js/volume-2012/709849/figures/709849.fig.002a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Without alcohol: <svg height="12.375" id="M4" style="vertical-align:-3.13504pt" version="1.1" viewbox="0 0 47.237499 12.375" width="47.237499" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,12.375)">
<g transform="translate(72,-62.1)">
<text transform="matrix(1,0,0,-1,-71.95,65.27)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑛</tspan>
</text>
<text transform="matrix(1,0,0,-1,-65.74,62.15)">
<tspan style="font-size: 8.75px; " x="0" y="0">2</tspan>
</text>
<text transform="matrix(1,0,0,-1,-57.39,65.27)">
<tspan style="font-size: 12.50px; " x="0" y="0">&gt;</tspan>
<tspan style="font-size: 12.50px; " x="12.027886" y="0">𝑛</tspan>
</text>
<text transform="matrix(1,0,0,-1,-39.14,62.15)">
<tspan style="font-size: 8.75px; " x="0" y="0">1</tspan>
</text>
</g>
</g>
</svg> (leaky-POF structure)</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="709849.fig.002b" src="https://static.hindawi.com/articles/js/volume-2012/709849/figures/709849.fig.002b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>With alcohol: <svg height="14.6" id="M5" style="vertical-align:-3.13504pt" version="1.1" viewbox="0 0 62.537498 14.6" width="62.537498" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.6)">
<g transform="translate(72,-60.32)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑛</tspan>
</text>
<text transform="matrix(1,0,0,-1,-65.74,60.37)">
<tspan style="font-size: 8.75px; " x="0" y="0">2</tspan>
</text>
<text transform="matrix(1,0,0,-1,-60.86,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">(</tspan>
<tspan style="font-size: 12.50px; " x="4.1634989" y="0">𝑡</tspan>
<tspan style="font-size: 12.50px; " x="8.0769377" y="0">)</tspan>
<tspan style="font-size: 12.50px; " x="15.703768" y="0">&lt;</tspan>
<tspan style="font-size: 12.50px; " x="27.744158" y="0">𝑛</tspan>
</text>
<text transform="matrix(1,0,0,-1,-26.9,60.37)">
<tspan style="font-size: 8.75px; " x="0" y="0">1</tspan>
</text>
</g>
</g>
</svg> (guided-POF structure)</td></tr></table></td></tr></table>

Journal of Sensors

fig2

Figure 2

Figure 2: Plastic Optical Fiber Sensing of Alcohol Concentration in Liquors 