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Experimental set up of the sensor head. The coupling of power, affected by the alignment of the fiber ends, is disturbed by vibration of the flap.
Plot of the vibration of a plastic flap over a time scale of 8 s.
The plot shows one breathing cycle to zoom in on the response of the sensor during the exhale/inhale process.
(a) The plot shows eleven breathing cycles over a time scale of 30 s. (b) The data shown in (a) is plotted after 500 point smoothing with Origin. The -axis shows the amplitude in volts after the smoothing.
The plot shows 15 breathing cycles over a time scale of 20 s.
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