Heterodyne interferometer with a dual-mode HeNe laser for absolute distance interferometry

Yang Zhao; Ting Robert Zhou; WeiMing Ren; Dacheng Li

doi:10.1117/12.211876

14 June 1995 Heterodyne interferometer with a dual-mode HeNe laser for absolute distance interferometry

Yang Zhao, Ting Robert Zhou, WeiMing Ren, Dacheng Li

Proceedings Volume 2544, Interferometry VII: Techniques and Analysis; (1995) https://doi.org/10.1117/12.211876
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

This paper proposes a heterodyne interferometer using a dual longitudinal mode HeNe 633 nm laser for absolute distance interferometry. It can measure the fractional fringe of the synthetic wavelength by an electrical phasemeter with high acccuracy. The measuring period is very short. The common optical path configuration in the interferometer eliminates the affection of air turbulence effectively.

Citation Download Citation

Yang Zhao, Ting Robert Zhou, WeiMing Ren, and Dacheng Li "Heterodyne interferometer with a dual-mode HeNe laser for absolute distance interferometry", Proc. SPIE 2544, Interferometry VII: Techniques and Analysis, (14 June 1995); https://doi.org/10.1117/12.211876

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