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Irradiation angle dependence and polarization dependence in 3D geometry measurement using AMCW LiDAR
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Paper Abstract

Laser scanners have emerged as powerful instrument for high-precision 3D geometry measurement and high-resolution reverse engineering in combination with 3D printers etc. However, such attractive laser scanners have failed to address to fading phenomenon, which was a critical issue of laser scanning systems. Although extensive research has been carried out on the fading issue, no single study exists which effectively coped with such an impairment inherent in 3D geometry measurement using laser scanners. In this article, we propose a 3D laser scanner having a tunable high-speed polarization scrambling scheme and cope with the fading phenomenon. To our knowledge, this is the first report of versatile removal of the fading phenomenon inherent in laser scanning systems

Paper Details

Date Published: 4 March 2019
PDF: 8 pages
Proc. SPIE 10909, Laser 3D Manufacturing VI, 109090W (4 March 2019); doi: 10.1117/12.2507728
Show Author Affiliations
Chao Zhang, The Univ. of Tokyo (Japan)
Neisei Hayashi, The Univ. of Tokyo (Japan)
Sze Yun Set, The Univ. of Tokyo (Japan)
Shinji Yamashita, The Univ. of Tokyo (Japan)

Published in SPIE Proceedings Vol. 10909:
Laser 3D Manufacturing VI
Bo Gu; Henry Helvajian; Hongqiang Chen, Editor(s)

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