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Proceedings Paper

Heterodyne interferometer with a dual-mode HeNe laser for absolute distance interferometry
Author(s): Yang Zhao; Ting Robert Zhou; WeiMing Ren; Dacheng Li
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Paper 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.

Paper Details

Date Published: 14 June 1995
PDF: 4 pages
Proc. SPIE 2544, Interferometry VII: Techniques and Analysis, (14 June 1995); doi: 10.1117/12.211876
Show Author Affiliations
Yang Zhao, Tsinghua Univ. (China)
Ting Robert Zhou, Tsinghua Univ. (China)
WeiMing Ren, Tsinghua Univ. (China)
Dacheng Li, Tsinghua Univ. (China)


Published in SPIE Proceedings Vol. 2544:
Interferometry VII: Techniques and Analysis
Malgorzata Kujawinska; Ryszard J. Pryputniewicz; Mitsuo Takeda, Editor(s)

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