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Proceedings Paper

Research on no-guide distance measurement using internal servo interferometer optics system
Author(s): Songlin Zhuang; Mengchao Li; Liqing He; Zijian Zhou; Yifang Yuan
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Paper Abstract

A synthetic type of distance ranging system is described in this paper. In this system, one frequency-modulated laser beam and two multimode laser beams that come from different lasers, having different wave length, are input to a Michelson interferometer together with the same path. When the systems start to run, the computer may send out signals driving the reference reflector to find or keep the zero optical path difference, according to the principle of frequency-modulated ranging and quasi-white light positioning with the interferometer. In the meantime, the shifted value of the reference reflector would be measured by another interferometer. Lastly, the distance can be accurately detected by that value and the environment parameters through calculating with computer. Some fundamental experiments have been done, proving the feasibility of this synthetic method.

Paper Details

Date Published: 30 September 1996
PDF: 6 pages
Proc. SPIE 2888, Laser Processing of Materials and Industrial Applications, (30 September 1996); doi: 10.1117/12.253160
Show Author Affiliations
Songlin Zhuang, East China Univ. of Technology (China)
Mengchao Li, East China Univ. of Technology (China)
Liqing He, East China Univ. of Technology (China)
Zijian Zhou, East China Univ. of Technology (China)
Yifang Yuan, East China Univ. of Technology (China)


Published in SPIE Proceedings Vol. 2888:
Laser Processing of Materials and Industrial Applications
Shu-Sen Deng; S. C. Wang, Editor(s)

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