The Optimization of Multimode Fiber Speckle Sensor for Microvibration

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">Silica step-index fiber (<i>μ</i>m)</td><td class="align_center">POF (<i>μ</i>m)</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">NIPC</td><td class="align_center">200</td><td class="align_center">500</td></tr><tr><td class="align_left">GLCM</td><td class="align_center">105</td><td class="align_center">250</td></tr><tr><td class="align_left">First moment</td><td class="align_center">200</td><td class="align_center">250</td></tr><tr><td class="align_left">ZNCC</td><td class="align_center">200</td><td class="align_center">500</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Matching scheme of the vibration sensing system.</div>

International Journal of Optics

tab2

Table 2

Table 2: The Optimization of Multimode Fiber Speckle Sensor for Microvibration 