Measuring rotation angles in high speed with laser interference

Zhigang Fan; Shiwen Xu; Funian Long; Ling Fu; Chunxia Li

doi:10.1117/12.318349

10 August 1998 Measuring rotation angles in high speed with laser interference

Zhigang Fan, Shiwen Xu, Funian Long, Ling Fu, Chunxia Li

Proceedings Volume 3558, Automated Optical Inspection for Industry: Theory, Technology, and Applications II; (1998) https://doi.org/10.1117/12.318349
Event: Photonics China '98, 1998, Beijing, China

Abstract

In the existing techniques of measuring rotation angel sin high-sped, the resolutions of measuring rotation angles and the rotation velocities are restrictive for each other. In this paper, a neoteric measuring method is proposed, to which the double-frequency heterodyne interference technique and spiral metal reflector were applied, and it could improve the restrict of the rotation velocities.

Citation Download Citation

Zhigang Fan, Shiwen Xu, Funian Long, Ling Fu, and Chunxia Li "Measuring rotation angles in high speed with laser interference", Proc. SPIE 3558, Automated Optical Inspection for Industry: Theory, Technology, and Applications II, (10 August 1998); https://doi.org/10.1117/12.318349

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