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Ryo Sato, Yuki Shimizu, Hiraku Matsukuma and Wei Gao
This paper presents an intentional investigation of the effect of the object tilt angle on the tracking local minimum method (TL method), which is the one for detecting the measurement target position of the object optical axis, in a chromatic confocal p...
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Kuangyi Li, Wijayanti Dwi Astuti, Ryo Sato, Hiraku Matsukuma and Wei Gao
This paper proposes to utilize a femtosecond Maker fringe for angular measurement to expand the measurement range by using the characteristic of the multiple visible peaks in the Maker fringe. Four different z-cut nonlinear materials and three different ...
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Qiaolin Li, Yuki Shimizu, Toshiki Saito, Hiraku Matsukuma, Yindi Cai and Wei Gao
Attempts are made in this paper to improve the quality of the stitching between adjacent arc-profiles in the stitching linear-scan method for the roundness measurement of a cylinder in a small dimension. The data in the edge region of an arc-profile, whi...
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Yuki Shimizu, Hiraku Matsukuma and Wei Gao
A mode-locked femtosecond laser, which is often referred to as the optical frequency comb, has increasing applications in various industrial fields, including production engineering, in the last two decades. Many efforts have been made so far to apply th...
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