Usefulness of the fiber optic Sagnac interferometer for stability analysis of slow-speed rotation test stands

Andrzej Szelmanowski; Leszek R. Jaroszewicz

doi:10.1117/12.357794

17 August 1999 Usefulness of the fiber optic Sagnac interferometer for stability analysis of slow-speed rotation test stands

Andrzej Szelmanowski, Leszek R. Jaroszewicz

Author Affiliations +

Proceedings Volume 3745, Interferometry '99: Applications; (1999) https://doi.org/10.1117/12.357794
Event: International Conference on Optical Metrology, 1999, Pultusk Castle, Poland

Abstract

Experimental results of the usefulness of the fiber-optic Sagnac interferometer for a measurement of angular position as motion uniformity of slow-speed rotating objects are presented. The system contains GS-13P/SR device with modified signal processing unit. The results of an investigation of this system, and their application for rotation angle and uniformity motion of object in inertial space are shown. A new slow-speed platforms generate constant angular motion (M19-03 stand made by COBRABiD Optica) and harmonic variable motion (STW-1 stand made by AFIT) have been used as forces source. The Fourier and wavelets analyses have been used as mathematical description of GS-13P/SR application for technical diagnostic of slow- speed platforms.

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Andrzej Szelmanowski and Leszek R. Jaroszewicz "Usefulness of the fiber optic Sagnac interferometer for stability analysis of slow-speed rotation test stands", Proc. SPIE 3745, Interferometry '99: Applications, (17 August 1999); https://doi.org/10.1117/12.357794

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