9 September 2014 Two-color absolute length measuring method based on pulse repetition interval lengths
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Optical Engineering, 53(12), 122413 (2014). doi:10.1117/1.OE.53.12.122413
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.
© 2014 Society of Photo-Optical Instrumentation Engineers (SPIE)
Dong Wei, Masato Aketagawa, Kiyoshi Takamasu, Hirokazu Matsumoto, "Two-color absolute length measuring method based on pulse repetition interval lengths," Optical Engineering 53(12), 122413 (9 September 2014). http://dx.doi.org/10.1117/1.OE.53.12.122413
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KEYWORDS
Mirrors

Refractive index

Distance measurement

Interferometers

Optical fibers

Second-harmonic generation

Frequency combs

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