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We have proposed a novel micro-vibration measurement systems which we call Robust Optical Interferometer (ROI). ROI is consisted of a laser, optical and electronic systems. Optical system has the beam displacing prism which is a birefringence element. The prism can split a beam of linear polarization with 45° azimuth angle into two beams of linear polarizations with 0° and 90° azimuth angle. One of...
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