Enhanced Measurement of Paper Basis Weight Using Phase Shift in Terahertz Time-Domain Spectroscopy

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static-preview.hindawi.com/articles/js/volume-2017/3520967/figures/3520967.fig.005a.svgz" name="3520967.fig.005a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Amplitude spectra</td></tr><tr class="fig-image" id="b"><td><object data="https://static-preview.hindawi.com/articles/js/volume-2017/3520967/figures/3520967.fig.005b.svgz" name="3520967.fig.005b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Phase spectra</td></tr></table>

<div>THz spectral responses of 80 g/m<sup>2</sup> samples.</div>

Journal of Sensors

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Figure 5

Figure 5: Enhanced Measurement of Paper Basis Weight Using Phase Shift in Terahertz Time-Domain Spectroscopy 