Fabry-Pérot Fiber-Optic Sensors for Physical Parameters Measurement in Challenging Conditions

<table>Examples of bare fiber-optic sensors for medical applications commercially available from <i>FISO Technologies</i>. (a) pressure sensor FOP-MIV suitable for mass production (<svg height="11.7625" id="M8" style="vertical-align:-0.4095pt" version="1.1" viewbox="0 0 13.975 11.7625" width="13.975" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> 550 <svg height="12.25" id="M9" style="vertical-align:-3.56265pt" version="1.1" viewbox="0 0 23.475 12.25" width="23.475" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,7.75)"><path d="M538 96q-38 -45 -84 -76.5t-71 -31.5q-44 0 -15 117q12 49 18 89h-2q-99 -128 -163 -178q-36 -28 -70 -28q-26 0 -44 38h-2q-16 -69 -16 -129q0 -43 11 -75.5t24 -42.5l1 -6q-7 -12 -24.5 -23t-37.5 -11q-40 0 -40 76q0 52 35 202l94 407l78 24l5 -5q-32 -122 -72 -310
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><g transform="matrix(.017,-0,0,-.017,9.497,7.75)"><path d="M797 0h-214v26q46 5 58 17.5t12 63.5v167q0 116 -88 116q-48 0 -112 -52q3 -18 3 -42v-195q0 -46 11 -58t53 -17v-26h-214v26q48 5 59.5 17t11.5 60v172q0 115 -88 115q-47 0 -109 -52v-235q0 -47 10 -59.5t48 -17.5v-26h-211v26q50 5 62.5 17t12.5 60v207q0 48 -9 59.5
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</svg>), (b) temperature sensor FOT-L (<svg height="11.7625" id="M10" style="vertical-align:-0.4095pt" version="1.1" viewbox="0 0 13.975 11.7625" width="13.975" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.2)"><path d="M754 617l-97 -96q78 -89 78 -209q0 -134 -96 -228.5t-232 -94.5q-119 0 -211 76l-97 -95l-38 38l96 95q-77 90 -77 209q0 134 95.5 229t231.5 95q121 0 212 -77l97 96zM677 312q0 96 -59 171l-384 -380q75 -64 173 -64q112 0 191 80t79 193zM581 522q-75 64 -174 64
q-112 0 -190.5 -80.5t-78.5 -193.5q0 -94 58 -170z" id="x2205"></path></g>
</svg> 800 <svg height="12.25" id="M11" style="vertical-align:-3.56265pt" version="1.1" viewbox="0 0 23.475 12.25" width="23.475" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,7.75)"><path d="M538 96q-38 -45 -84 -76.5t-71 -31.5q-44 0 -15 117q12 49 18 89h-2q-99 -128 -163 -178q-36 -28 -70 -28q-26 0 -44 38h-2q-16 -69 -16 -129q0 -43 11 -75.5t24 -42.5l1 -6q-7 -12 -24.5 -23t-37.5 -11q-40 0 -40 76q0 52 35 202l94 407l78 24l5 -5q-32 -122 -72 -310
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><g transform="matrix(.017,-0,0,-.017,9.497,7.75)"><path d="M797 0h-214v26q46 5 58 17.5t12 63.5v167q0 116 -88 116q-48 0 -112 -52q3 -18 3 -42v-195q0 -46 11 -58t53 -17v-26h-214v26q48 5 59.5 17t11.5 60v172q0 115 -88 115q-47 0 -109 -52v-235q0 -47 10 -59.5t48 -17.5v-26h-211v26q50 5 62.5 17t12.5 60v207q0 48 -9 59.5
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</svg>), (c) temperature sensor FOT-HERO (<svg height="11.7625" id="M12" style="vertical-align:-0.4095pt" version="1.1" viewbox="0 0 13.975 11.7625" width="13.975" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.2)"><path d="M754 617l-97 -96q78 -89 78 -209q0 -134 -96 -228.5t-232 -94.5q-119 0 -211 76l-97 -95l-38 38l96 95q-77 90 -77 209q0 134 95.5 229t231.5 95q121 0 212 -77l97 96zM677 312q0 96 -59 171l-384 -380q75 -64 173 -64q112 0 191 80t79 193zM581 522q-75 64 -174 64
q-112 0 -190.5 -80.5t-78.5 -193.5q0 -94 58 -170z" id="x2205"></path></g>
</svg> 210 <svg height="12.25" id="M13" style="vertical-align:-3.56265pt" version="1.1" viewbox="0 0 23.475 12.25" width="23.475" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,7.75)"><path d="M538 96q-38 -45 -84 -76.5t-71 -31.5q-44 0 -15 117q12 49 18 89h-2q-99 -128 -163 -178q-36 -28 -70 -28q-26 0 -44 38h-2q-16 -69 -16 -129q0 -43 11 -75.5t24 -42.5l1 -6q-7 -12 -24.5 -23t-37.5 -11q-40 0 -40 76q0 52 35 202l94 407l78 24l5 -5q-32 -122 -72 -310
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><g transform="matrix(.017,-0,0,-.017,9.497,7.75)"><path d="M797 0h-214v26q46 5 58 17.5t12 63.5v167q0 116 -88 116q-48 0 -112 -52q3 -18 3 -42v-195q0 -46 11 -58t53 -17v-26h-214v26q48 5 59.5 17t11.5 60v172q0 115 -88 115q-47 0 -109 -52v-235q0 -47 10 -59.5t48 -17.5v-26h-211v26q50 5 62.5 17t12.5 60v207q0 48 -9 59.5
t-52 18.5v23q79 14 139 41v-81q3 2 29 20.5t44 29.5q45 28 81 28t66 -22t46 -61q25 20 83 57q39 26 76 26q59 0 93 -40t34 -113v-193q0 -49 10.5 -60.5t54.5 -16.5v-26z" id="x6D"></path></g>
</svg>).</table>

Journal of Sensors

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Figure 4

Figure 4: Fabry-Pérot Fiber-Optic Sensors for Physical Parameters Measurement in Challenging Conditions 