The effect of optical corner cubes' asymmetry on angle measurement of optical wedge

Chuan He; JianRong Ren

doi:10.1117/12.906662

30 November 2011 The effect of optical corner cubes' asymmetry on angle measurement of optical wedge

Chuan He, JianRong Ren

Proceedings Volume 8201, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems; 820123 (2011) https://doi.org/10.1117/12.906662
Event: International Conference on Optical Instruments and Technology (OIT2011), 2011, Beijing, Beijing, China

Abstract

In this paper, one approach of angle measurement of optical wedge used dual-frequency laser interferometer is referred. The asymmetry of the optical corner cubes in reflector housing is analyzed which has a notable effect on the uncertainty of the measurement result. The asymmetry is constituted by two components: ▵h, the height difference between optical corner cubes, and ▵α, the non-parallelism between two front surfaces of optical corner cubes. At last the influence of this error is obtained, and a precision compensation model for angle measurement is established. Keywords: dual-frequency laser interference, sinusoidal measurement angle, optical corner cube, asymmetry

Citation Download Citation

Chuan He and JianRong Ren "The effect of optical corner cubes' asymmetry on angle measurement of optical wedge", Proc. SPIE 8201, 2011 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Systems, 820123 (30 November 2011); https://doi.org/10.1117/12.906662

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