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Proceedings Paper

High precision large scale metrology using a chirped laser pulse
Author(s): Zhongyu Wang; Jihua Fu; Hao Meng
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Paper Abstract

A new method of laser range finder for precise large scale metrology is proposed. A chirped laser pulse with femtosecond durations is selected to work as the laser resource for the pulsed lidar to obtain the distance information. The chirped pulse's time domain and frequency domain specification are fully used in the double modulation, which combines the time-of-flight methods' advantages in distance measurement, such as high resolution, large measuring range and without measuring reference. An opportunity of absolute large scale metrology with the high accuracy is shown.

Paper Details

Date Published: 13 October 2006
PDF: 6 pages
Proc. SPIE 6280, Third International Symposium on Precision Mechanical Measurements, 62800L (13 October 2006); doi: 10.1117/12.716152
Show Author Affiliations
Zhongyu Wang, Beihang Univ. (China)
Jihua Fu, Beihang Univ. (China)
Hao Meng, Beihang Univ. (China)

Published in SPIE Proceedings Vol. 6280:
Third International Symposium on Precision Mechanical Measurements
Kuang-Chao Fan; Wei Gao; Xiaofen Yu; Wenhao Huang; Penghao Hu, Editor(s)

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