Rotation Pendulum (Video)

2015-11-09T03:44:03Z (GMT) by Luis Fernandes
<p><strong>Torsion sensor:</strong> Video recording of the oscillation of a rotational pendulum together with a plot of the transmitted power at a single wavelength through a Mach–Zehnder interferometer. The sensor was built with helical waveguides inside an optical fiber.</p>