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Optical Engineering

Two-color absolute length measuring method based on pulse repetition interval lengths
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Paper Abstract

A unique absolute length measurement method is proposed and demonstrated for the first time. Since it takes advantage of both the high-accuracy measurement capability of a pulse train interference method and the ability of a two-color method to compensate for environmental changes, the present method is expected to be useful for high-precision length measurement for not only the purposes of laboratory science but also for satisfying the requirements of industry. A length measurement was performed to demonstrate the feasibility of the proposed method.

Paper Details

Date Published: 9 September 2014
PDF: 5 pages
Opt. Eng. 53(12) 122413 doi: 10.1117/1.OE.53.12.122413
Published in: Optical Engineering Volume 53, Issue 12
Show Author Affiliations
Dong Wei, Nagaoka Univ. of Technology (Japan)
Masato Aketagawa, Nagaoka Univ. of Technology (Japan)
Kiyoshi Takamasu, The Univ. of Tokyo (Japan)
Hirokazu Matsumoto, The Univ. of Tokyo (Japan)

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